View source for 1904 in baseball

{{See also|1904 Major League Baseball season}}
{{Year in baseball top |
  this year = 1904 |
}}
{{Year nav sports topic5|1904|baseball|sports}}

==Champions==
*[[American League]]: [[Boston Red Sox|Boston Americans]]
*[[National League (baseball)|National League]]: [[New York Giants (baseball)|New York Giants]]

World Series: New York (NL) declined challenge by Boston (AL)

==Statistical leaders==
{| class="wikitable" style="text-align:center;"
|-
! 
! colspan=2 | [[American League]]
! colspan=2 | [[National League (baseball)|National League]]
|-
! Stat
! Player
! Total
! Player
! Total
|-
| [[Batting average (baseball)|AVG]]
| [[Nap Lajoie]] ([[Cleveland Guardians|CLE]])
| .376
| [[Honus Wagner]] ([[Pittsburgh Pirates|PIT]])
| .349
|-
| [[Home run|HR]]
| [[Harry Davis (1900s first baseman)|Harry Davis]] ([[Philadelphia Athletics|PHA]])
| 10
| [[Harry Lumley (baseball)|Harry Lumley]] ([[Brooklyn Dodgers|BKN]])
| 9
|-
| [[Run batted in|RBI]]
| [[Nap Lajoie]] ([[Cleveland Guardians|CLE]])
| 102
| [[Bill Dahlen]] ([[New York Giants (baseball)|NYG]])
| 80
|-
| [[Win–loss record (pitching)#Winning pitcher|W]]
| [[Jack Chesbro]]<sup>1</sup> ([[New York Yankees|NYH]])
| 41
| [[Joe McGinnity]] ([[New York Giants (baseball)|NYG]])
| 35
|-
| [[Earned run average|ERA]]
| [[Addie Joss]] ([[Cleveland Guardians|CLE]])
| 1.59
| [[Joe McGinnity]] ([[New York Giants (baseball)|NYG]])
| 1.61
|-
| [[Strikeout|K]]
| [[Rube Waddell]] ([[Philadelphia Athletics|PHA]])
| 349
| [[Christy Mathewson]] ([[New York Giants (baseball)|NYG]])
| 212
|}
<sup>1</sup> Modern (1901–present) single-season [[Win–loss record (pitching)#Winning pitcher|wins]] record

==Major league baseball final standings==
===American League final standings===
{{col-begin}}
{{col-2}}
{{1904 American League standings|highlight=Boston Americans}}
{{col-2}}
{{AL Team Maps (1904–1907)}}
{{col-end}}

===National League final standings===
{{col-begin}}
{{col-2}}
{{1904 National League standings|highlight=New York Giants}}
{{col-2}}
{{NL Team Maps (1903–1906)}}
{{col-end}}

==Events==
===January===
*January 4 – The [[New York Yankees|New York Highlanders]] of the American League announce plans to play on Sundays at [[Ridgewood Park (baseball ground)|Ridgewood Park]] in Queens, NY, but the National League [[Brooklyn Dodgers|Brooklyn Superbas]] object the proposal. By the time Sunday's games are legal only in the cities of Detroit, St. Louis, Chicago and Cincinnati.<ref>{{cite news|title=Dreyfus Doesn't Favor Sunday Baseball|work=[[Rochester Democrat & Chronicle]]|date=January 10, 1904|page=23}}</ref>

===February===
*February 29 – [[Pepper Martin]] is born in [[Temple, Oklahoma]]. Amazingly, with more than 19,000 different Major League Baseball players in the sport's history, between 1836 and 2018, only 11 have been born on a [[February 29|Leap Day]].<ref>[http://www.baseball-almanac.com/history/today.php?d=02-29 Major League Baseball History on February 29]. ''Baseball Almanac''. Retrieved on May 23, 2019.</ref><ref>[https://www.mlb.com/cut4/leap-day-mlb-history/c-165620370 Four important MLB moments that happened on Leap Day]. ''MLB.com''. Retrieved on May 23, 2019.</ref> Dubbed as the ''Wild Horse of the Osage'' because of his daring and aggressive [[baserunning]] abilities,<ref name=SABRPepper>[https://sabr.org/bioproj/person/81aa707b Pepper Martin]. Article written by Norm King. ''SABR Biography Project''. Retrieved on May 23, 2019.</ref> Martin played as a third baseman and an outfielder for the [[St. Louis Cardinals]] in a span of 13 seasons between 1928 and 1944, earning two World Series titles, four All-Star Game selections and four National League stolen bases titles. But Martin is probably best known for his heroics in the [[1931 World Series]], when he led the Cardinals in average (.500), hits (12), doubles (4), runs (5), RBI (5), stolen bases (5) and added one home run in the seven-game triumph over the highly favored [[Philadelphia Athletics]], making also a running catch to cut a ninth-inning rally by the Athletics in the decisive Game 7.<ref name=SABRPepper/>

===March===
*March 16 – [[Buddy Myer]] is born in [[Ellisville, Mississippi]].<ref name=BUDDY>[https://www.baseball-reference.com/players/m/myerbu01.shtml Buddy Myer]. Career statistics. ''Baseball Reference''. Retrieved on May 23, 2019.</ref> A two-time All-Star and American League champion bat, Myer was the second baseman of the [[Washington Senators (1901–1960)|Washington Senators]] club when they [[1933 Washington Senators season|won their last AL pennant in 1933]].<ref name=BUDDY/> He posted a .330/.389/.406 [[slash line]] with 2,131 [[Hit (baseball)|hits]] in 1,923 games. Notably, Myer [[base on balls|walked]] more than twice as many times as he [[strikeout|struck out]] (965-to-428) during 17 seasons from 1925 through 1941, including a stint with the [[Boston Red Sox]] in 1927 and 1928.<ref name=BUDDY/> Myer was often cited as one of the few Jewish baseball stars and was chosen for the [[International Jewish Sports Hall of Fame]], but he was a member of the Baptist church.<ref>[[Bill James|James, Bill]] (2001). ''The New Bill James Historical Baseball Abstract''. New York: Free Press. p. 499. {{ISBN|0-684-80697-5}}.</ref>

===April===

===May===
*May 5 – [[Cy Young]] pitches a [[Perfect game (baseball)|perfect game]], as the [[Boston Red Sox|Boston Americans]] defeat the [[Philadelphia Athletics]], 3–0, at [[Huntington Avenue Grounds]].<ref name=BOSTON/> This is considered the [[List of Major League Baseball perfect games#Modern era first perfect game in the modern era]].
*May 11 – Following his [[Perfect game (baseball)|perfect game]] against the [[Philadelphia Athletics]] six days before, [[Cy Young]] of the [[Boston Red Sox|Boston Americans]] pitched another six hitless innings against the [[Detroit Tigers]], until [[Sam Crawford]] stroked a single to end the string. Before his perfection start, Young had already pitched eighth consecutive innings without allowing a base hit. On April 25, he pitched two innings at Philadelphia, then he hurled six innings in relief against the [[Washington Senators (1901–1960)|Washington Senators]]. As a result, the record books credited Young with 23 consecutive hitless innings based on these four games, which is considered a record in Major League Baseball history. No one has ever equaled that mark.<ref>{{cite news|title=Clarifying Some of the Records* |publisher=[[Society for American Baseball Research]] |url=http://research.sabr.org/journals/clarifying-some-of-the-records |archive-url=https://web.archive.org/web/20111007093439/http://research.sabr.org/journals/clarifying-some-of-the-records |archive-date=October 7, 2011 |url-status=dead }}</ref>
*May 21 – [[Boston Red Sox|Boston Americans]] shortstop [[Bill O'Neill (baseball)|Bill O'Neill]] made history when he committed six [[error (baseball)|errors]] in a 13-inning, 5–3 loss to the [[St. Louis Browns]] at [[Huntington Avenue Grounds]], to set a 20th-century single-game record.<ref>[https://sabr.org/bioproj/person/b6cd442a John O'Neill]. Article written by Bill Nowlin. ''SABR Biography Project''. Retrieved on May 2, 2019.</ref>
*May 27 – [[New York Giants (baseball)|New York Giants]] first baseman [[Dan McGann]] set a Major League Baseball record with five [[stolen base]]s in a single-game, a feat not matched until [[Davey Lopes]] did it for the Los Angeles Dodgers in 1974, and not surpassed until Atlanta Braves' [[Otis Nixon]] stole six bases in 1991.<ref>[https://sabr.org/bioproj/person/8a6f31e5 Dan McGann]. Article written by Don Jensen. ''SABR Biography Project''. Retrieved on May 2, 2019.</ref>

===June===
*June 11 – [[Chicago Cubs]] pitcher [[Bob Wicker]] pitches nine innings without allowing a hit. He surrenders a hit in the 10th inning, but it would be the only hit he allows in the game. The Cubs would go on the beat the [[New York Giants (baseball)|New York Giants]], 1–0, in 12 innings.
* June 20 – [[Duff Cooley]] of the [[Boston Beaneaters]] [[hit for the cycle|hits for the cycle]] in the second game of a doubleheader against the [[Philadelphia Phillies]] in a 9–0 Boston victory.
* June 23 – [[Kip Selbach]] of the [[Washington Senators (1901–1960)|Washington Senators]] ties a record by committing 3 errors from the outfield in one inning.

===July===
*July 16 – [[New York Highlanders]] [[Starting pitcher|right-handed starter]] [[Jack Chesbro]] [[Stolen base#Plays involving baserunning|steals home plate]] in the bottom of the 10th inning, scoring a [[walk-off home run|walk-off]] run while winning his own game against the [[Detroit Tigers]], 9–8, at [[Hilltop Park]]. Chesbro, who entered the game in [[relief pitcher|relief duties]], led off the inning with a single, moved to third base on a pair of outs, then achieved this rare feat. Chesbro, a notorious [[spitball]]er, set a Major League pitching record with 41 wins in 1904.<ref>[https://www.si.com/more-sports/2009/06/29/stealing-home-0 The 10 most significant steals of home in baseball history]. ''Sports Illustrated''. Retrieved on May 21, 2019.</ref>

===August===
*August 17 – [[Boston Red Sox|Boston Americans]] pitcher [[Jesse Tannehill]] tosses a [[no-hitter]] against the [[Chicago White Sox]] in a 6–0 win at [[South Side Park]].<ref name=BOSTON/>
*August 24 – [[New York Yankees|New York Highlanders]] left fielder [[Willie Keeler]] collects two [[home run]]s against the visiting [[St. Louis Browns]] in a 9–1 win at [[Hilltop Park]]. Both drives are [[inside-the-park home run|inside-the-park]].<ref name=ALMANAC>[http://www.baseball-almanac.com/yearly/yr1904a.shtml 1904 MLB season]. ''Baseball Almanac''. Retrieved on May 22, 2019.</ref>

===September===
*September 1 – The New York Giants selected [[Moonlight Graham]] in the Rule five draft. This is the same Moonlight Graham that is fictionalized in the movie ''Field of Dreams.''
*September 5 – At the [[Polo Grounds]], the [[New York Giants (baseball)|New York Giants]] swept a [[Doubleheader (baseball)|doubleheader]] from the [[Boston Braves|Boston Beaneaters]] in front of 37,000 fans. [[Christy Mathewson]] won a pitching duel with [[Kaiser Wilhelm (baseball)|Kaiser Wilhelm]] in the opener, 1–0, when [[Jim Delahanty]] scored on a triple by [[Tom Needham]] in the bottom of the ninth inning. The second game of the [[Labor Day]] twin-bill was won on a [[Sam Mertes]] single in the bottom of the ninth that brought [[Red Ames]] with the winning run. The climax to the successful day inspired a group of fans to carry Giants manager [[John McGraw]] off the field on their shoulders; McGraw was dropped during the excitement and suffered a sprained ankle.<ref>{{cite news|title=Baseball Man Is Hurt - John McGraw's Ankle Dislocated by Rush of Enthusiastic Fans|work=[[Topeka Daily Capital]]|date=September 6, 1904|page=2}}</ref>

===October===
*October 3 – [[Christy Mathewson]] of the [[New York Giants (baseball)|New York Giants]] [[strikeout|strikes out]] 16 in a 3–1 victory over the St. Louis Cardinals at [[Polo Grounds]]. His 16 strikeouts set a new record in the major leagues as he finishes the game in one hour and 15 minutes.<ref name=BRschedule>[https://www.baseball-reference.com/leagues/MLB/1904-schedule.shtml 1904 MLB season schedule]. ''Baseball Reference''. Retrieved on May 22, 2019.</ref>
*October 4 – [[New York Giants (baseball)|New York Giants]] outfielder [[Sam Mertes]] [[Hitting for the cycle|hits for the cycle]] in a 7–3 loss to the [[St. Louis Cardinals]] at [[Polo Grounds]].<ref name=BRschedule/>
*October 7 – [[George Stovall]] hit a home run off his brother [[Jesse Stovall]]. That particular feat was a Major League first and an event that remained unduplicated until [[Rick Ferrell]] hit a homer off [[Wes Ferrell]] in 1933 then [[Joe Niekro]] went deep against [[Phil Niekro]] in 1976.<ref name=ALMANAC/>
*October 8 – [[Jack Chesbro]] earned his 41st victory of the season as the [[New York Yankees|New York Highlanders]] defeated the [[Boston Red Sox|Boston Americans]], 3–2. The 41 wins by a pitcher in a season are a modern record in Major League history. Previously, the future Hall of Famer won his 14th consecutive game on August 10 (a record at the time), pitched 30 consecutive [[complete games]] at a time, and would complete 48 of his 51 [[starting pitcher|starts]] of the season.<ref>[https://www.baseball-reference.com/players/c/chesbja01.shtml Jack Chesbro statistics]. ''Baseball Reference''. Retrieved on May 22, 2019.</ref>
*October 10 – The regular season ends with a [[Doubleheader (baseball)|doubleheader]] at [[Hilltop Park]] in [[New York City]]. The [[Boston Red Sox|Boston Americans]] clinched the American League pennant in the opener with a 3–2 victory over the [[New York Yankees|New York Highlanders]], while New York won the second game, 1–0, in 10 innings.<ref name=BOSTON>[https://www.retrosheet.org/boxesetc/1904/VBOS01904.htm The 1904 Boston Americans Regular Season Game Log]. ''Retrosheet''. Retrieved on May 22, 2019.</ref> It would also be the last time for a full century that the Boston AL team, who would later formally become the [[1908 Boston Red Sox season|Boston Red Sox in 1908]], would beat the New York AL team in a pennant-deciding game.

====Postseason====
* The World Series was cancelled [[1904 World Series#Background|due to a business rivalry between the two leagues]]. During [[spring training]], [[New York Giants (baseball)|New York Giants]] owner [[John T. Brush]] said that there will never be a series between two clubs based in the same city, in response to a preseason offer from [[New York Yankees|New York Highlanders]] co-owner [[Frank J. Farrell]].<ref>[https://sabr.org/bioproj/person/9c6a7eb4 Frank Farrell]. Article written by Bill Lamb. ''SABR Biography Project''. Retrieved on May 22, 2019.</ref> Nevertheless, the [[Boston Red Sox|Boston Americans]] pennant victory over the Highlanders had historical significance in several ways. Although Boston had won instead, Brush and team's manager [[John McGraw]] refused to face the Americans in what would've been the second World Series.<ref>[https://sabr.org/bioproj/person/fef5035f John McGraw]. Article written by Don Jensen. ''SABR Biography Project''. Retrieved on May 22, 2019.</ref> Brush announced "There is nothing in the constitution or playing rules of the National League which requires its victorious club to submit its championship honors to a contest with a victorious club in a minor league," according to his biography at [[Society for American Baseball Research|SABR]].<ref name=SABRbrush>[https://sabr.org/bioproj/person/a46ef165 John T. Brush]. Article written by John Saccoman. ''SABR Biography Project''. Retrieved on May 22, 2019.</ref> The resulting backlash by the press caused Brush to take a stance and lead the committee to formalize the rules governing the future World Series.<ref name=SABRbrush/> This would be the last time for 90 years that a World Series was not played, when [[1994–95 Major League Baseball strike|it was canceled on September 14 of 1994 due to an MLB Players Association strike]]. It would also be the last time for 100 years that the Boston AL team, who would later formally become the [[Boston Red Sox]] in 1908, would beat the New York AL team in a pennant-deciding game until the [[2004 American League Championship Series]].

===November===

===December===

==Births==
===January===
*January 1 – [[Ethan Allen (baseball)|Ethan Allen]]
*January 3 – [[Bill Cissell]]
*January 7 – [[Clay Roe]]
*January 10 – [[Lou Dials]]
*January 13 – [[Bunny Hearn]]
*January 16 – [[Jo-Jo Morrissey]]
*January 18 – [[Len Koenecke]]
*January 19 – [[Jimmy Boyle (baseball)|Jimmy Boyle]]
*January 20 – [[Denny Sothern]]
*January 22 – [[John Milligan (baseball)|John Milligan]]
*January 24 – [[Neal Finn]]
*January 26 – [[George Blaeholder]]
*January 28 – [[Dutch Hoffman]]
*January 29 – [[Ray Hayworth]]

===February===
*February 7 – [[Andy Reese]]
*February 9 – [[Roy Mahaffey]]
*February 10 – [[Hal Anderson (baseball)|Hal Anderson]]
*February 13 – [[Cecil Bolton]]
*February 13 – [[Charlie Fitzberger]]
*February 15 – [[Oscar Estrada]]
*February 27 – [[Chick Fullis]]
*February 27 – [[Bud Teachout]]
*February 29 – [[Pepper Martin]]

===March===
[[File:BuddyMyerGoudeycard.jpg|thumb|180px|All Star [[Buddy Myer]]]]
*March 5 – [[Lou Rosenberg]]
*March 16 – [[Buddy Myer]]
*March 21 – [[Frank Sigafoos]]
*March 21 – [[Red Rollings]]
*March 22 – [[Bob Elson]]
*March 30 – [[Ripper Collins (baseball)|Ripper Collins]]
*March 31 – [[Sam Dailey]]
*March 31 – [[Red Rollings]]

===April===
*April 1 – [[Jack Cummings (baseball)|Jack Cummings]]
*April 9 – [[Guy Cantrell]]
*April 9 – [[Fred Frankhouse]]
*April 11 – [[Dutch Ussat]]
*April 30 – [[Neal Baker]]
*April 30 – [[Tony Murray (baseball)|Tony Murray]]

===May===
*May 9 – [[Paul Hinson]]
*May 9 – [[Brad Springer]]
*May 16 – [[Abe White]]
*May 18 – [[Red Smith (American football/baseball)|Red Smith]]
*May 20 – [[Pete Appleton]]
*May 22 – [[Ed Morgan (baseball)|Ed Morgan]]
*May 25 – [[Buz Phillips]]
*May 26 – [[Frank Ragland]]
*May 26 – [[Bill Shores]]

===June===
*June 4 – [[Lefty Atkinson]]
*June 7 – [[Dusty Boggess]]
*June 12 – [[Bill Foster (baseball)|Bill Foster]]
*June 13 – [[John O'Connell (catcher)|John O'Connell]]
*June 15 – [[Ed Pipgras]]
*June 15 – [[Pid Purdy]]
*June 15 – [[Hank Winston]]
*June 24 – [[Bobby Reeves (baseball)|Bobby Reeves]]

===July===
*July 2 – [[Pete Susko]]
*July 3 – [[Luke Hamlin]]
*July 4 – [[Ed Cotter]]
*July 4 – [[Mel Ingram]]
*July 5 – [[Bump Hadley]]
*July 9 – [[Art Daney]]
*July 14 – [[Max West (1920s outfielder)|Max West]]
*July 15 – [[Ray Wolf]]
*July 18 – [[Marty Karow]]
*July 19 – [[Mark Koenig]]
*July 26 – [[Bill Dreesen]]

===August===
*August 5 – [[Vic Frazier]]
*August 6 – [[Herb Cobb]]
*August 14 – [[Les Cox]]
*August 17 – [[Augie Walsh]]

===September===
*September 4 – [[Bud Morse]]
*September 6 – [[Willie Underhill]]
*September 10 – [[Arlie Tarbert]]
*September 16 – [[Edgar Barnhart]]
*September 25 – [[Paul Hopkins (baseball)|Paul Hopkins]]
*September 26 – [[Jess Cortazzo]]
*September 30 – [[Johnny Allen (baseball)|Johnny Allen]]

===October===
*October 2 – [[Tom Angley]]
*October 5 – [[Sam West]]
*October 7 – [[Chuck Klein]]
*October 9 – [[Gordon Slade]]
*October 13 – [[Howie Carter]]
*October 15 – [[Bill Lewis (baseball)|Bill Lewis]]
*October 16 – [[Boom-Boom Beck]]
*October 24 – [[Harry Smythe]]
*October 25 – [[Andy Cohen (baseball)|Andy Cohen]]
*October 26 – [[Monk Sherlock]]
*October 27 – [[Frank Bennett (baseball)|Frank Bennett]]
*October 28 – [[Liz Funk]]
*October 28 – [[Joe O'Rourke]]
*October 31 – [[Allyn Stout]]

===November===
*November 1 – [[Johnny Burnett (baseball)|Johnny Burnett]]
*November 4 – [[Earl Mattingly]]
*November 5 – [[Ollie Sax]]
*November 15 – [[George Cox (baseball)|George Cox]]
*November 16 – [[Mike Smith (1920s outfielder)|Mike Smith]]
*November 19 – [[Elmer Tutwiler]]
*November 24 – [[Billy Rogell]]

===December===
*December 5 – [[Ray Fitzgerald (baseball)|Ray Fitzgerald]]
*December 12 – [[Ray Boggs]]
*December 13 – [[Bill Windle]]
*December 16 – [[Joe Berry (1940s pitcher)|Joe Berry]]
*December 20 – [[Spud Davis]]
*December 23 – [[Howie Williamson]]
*December 25 – [[Bill Akers]]
*December 25 – [[Lloyd Brown (baseball)|Lloyd Brown]]
*December 27 – [[John Shea (baseball)|John Shea]]
*December 29 – [[Bill Sweeney (first baseman)|Bill Sweeney]]

==Deaths==
===January–March===
*January 1 – [[George Radbourn]], 47, pitcher who played briefly for the 1883 [[Detroit Wolverines]].
*January 31 – [[Dan Mahoney (baseball)|Dan Mahoney]], 39, catcher and first baseman for the 1892 [[Cincinnati Reds]] and 1894 [[Washington Senators (1891–1899)|Washington Senators]].
*March 22 – [[Art McCoy]], 39, second baseman who played in two games with the 1889 [[Washington Nationals (1886–1889)|Washington Nationals]].
*March 25 – [[Harry Arundel]], 49, pitcher who played with the [[Brooklyn Atlantics]] (1875), [[Pittsburgh Pirates|Pittsburgh Alleghenys]] (1892) and [[Providence Grays]] (1884).
*March 28 – [[George Seward (baseball)|George Seward]], 53 [?], outfielder who played in part of three seasons for the [[St. Louis Brown Stockings]] (1875, 1882) and [[New York Mutuals]] (1876).
*March 31 – [[Nathan Menderson]], 83, executive with the [[History of the Cincinnati Reds|Cincinnati Red Stockings]] of the American Association

===April–June===
*April 11 – [[Shorty Fuller]], 36, shortstop for the [[Washington Nationals (1886–1889)|Washington Nationals]], [[St. Louis Cardinals|St. Louis Brown Stockings]] and [[New York Giants (baseball)|New York Giants]] from 1888 to 1896, who scored more than 100 runs in the 1890 and 1891 seasons.
*April 18 – [[Charlie Ziegler]], 29, infielder for the 1889 [[Cleveland Spiders]] and 1900 [[Philadelphia Phillies]].
*April 20 – [[John Galvin (baseball)|John Galvin]], 61, second baseman for the 1872 [[Brooklyn Atlantics]].
*April 20 – [[Gus McGinnis]], 33, pitcher and outfielder who played with the [[Chicago Cubs|Chicago Colts]] and [[Philadelphia Phillies]] in 1he 1893 season.
*April 27 – [[Bobby Cargo]], 33, shortstop for the 1892 [[Pittsburgh Pirates]].
*May 4 – [[Frank Quinlan]], 35, catcher and outfielder who appeared in two games for the 1891 [[Boston Reds (1890–1891)|Boston Reds]].
*May 25 – [[John Hayes (baseball)|John Hayes]], 49, outfielder who hit .143 in five games for the 1876 [[New York Mutuals]].
*June 3 – [[Bill Pfann]], 41 [?], pitcher for the 1884 [[Cincinnati Reds]].
*June 6 – [[Chippy McGarr]], 41, third baseman who hit .269 in 827 games for several teams over the course of 10 seasons from 1884 to 1896.
*June 19 – [[Marshall Quinton]], 52, catcher who played from 1884 to 1885 for the [[Richmond Virginians (1884)|Richmond Virginians]] and [[Philadelphia Athletics (American Association)|Philadelphia Athletics]] teams of the [[American Association (1882–1891)|American Association]].

===July–September===
*July 24 – [[Ernie Mason]], 34 [?], pitcher and outfielder for the 1894 [[St. Louis Cardinals|St. Louis Browns]] of the National League.
*August 22 – [[Charlie Dewald]], 36, pitcher for the 1890 [[Cleveland Infants]].
*September 20 – [[Jack Neagle]], 46, pitcher for the [[Cincinnati Reds (1876–1879)|Cincinnati Reds]], [[Philadelphia Phillies|Philadelphia Quakers]], [[Baltimore Orioles (1882–1899)|Baltimore Orioles]] and [[Pittsburgh Pirates|Pittsburgh Alleghenys]] from 1879 to 1884.

===October–December===
*October 16 – [[Mike Slattery (baseball)|Mike Slattery]], 37, center fielder who hit .251 in five seasons and was a member of the [[New York Giants (baseball)|New York Giants]] World Champion teams of 1888 and 1889.
*October 25 – [[Cornelius Van Cott]], 66, owner of the New York Giants from January 1893 to January 1895.
*October 28 – [[Sam Field (baseball)|Sam Field]], 56, catcher who hit .146 for three different teams between 1875 and 1876.
*November 2 – [[Henry Austin (baseball)|Henry Austin]], 60, outfielder and a .243 batter in 23 games for the 1873 [[Elizabeth Resolutes]].
*November 4 – [[Charlie Reilley]], 47 [?], catcher who hit .210 from 1879 through 1884 for the [[Troy Trojans]], [[Cincinnati Reds]], [[Detroit Wolverines]], [[Worcester Worcesters|Worcester Ruby Legs]] and [[Boston Reds (Union Association)|Boston Reds]].
*November 4 – [[Jim Shanley]], 50, outfielder who played two games for the 1876 [[New York Mutuals]].
*November 7 – [[Fred Carroll]], 40, catcher and outfielder from 1884 to 1891, who hit a career .284 average in 754 games with the [[Columbus Buckeyes (American Association)|Columbus Buckeyes]] and for the Pittsburgh teams [[Pittsburgh Pirates|Alleghenys/Pirates]] and [[Pittsburgh Burghers|Burghers]].
*November 20 – [[Dell Darling]], 42, catcher and a career .240 hitter for three teams of three different leagues from 1887 to 1891.
*December 13 – [[Bob Murphy (pitcher)|Bob Murphy]], 37, pitcher who posted a 4–9 record for the [[New York Giants (baseball)|New York Giants]] and [[Brooklyn Gladiators]] during the 1890 season.
*December 18 – [[John Clapp (baseball)|John Clapp]], 53, catcher and manager for several teams from 1872 through 1883, who hit a career .283 average in 588 games, including three .300 seasons.

==References==
{{Reflist}}

{{Year in baseball|this year=1904}}