†Toledo Tigers folded in July. The independent Cleveland Tate Stars returned to the NNL as an associate member to finish the Tigers' schedule. The team was not considered a full member of the NNL.
February 20 – Christy Mathewson, along with Emil Fuchs, purchase the Boston Braves franchise for $300,000. Matthews is named as team president, though failing health reduces Matthewson's role to just a figurehead and he turns over the role of team president to Fuchs at the end of the season.
March 6 – The St. Louis Cardinals announce that their players will wear numerals on their uniforms and number them according to the batting order, but it does not happen this season.
March 8 – Pitcher Rube Benton is reinstated by Commissioner Landis even though Benton admitted to having prior knowledge regarding the 1919 world Series fix.
April 3 – Swede Risberg and Happy Felsch sue the Chicago White Sox seeking back salary and an addition $400,000 in damages. Though acquitted on charges they fixed the 1919 World Series, both players were banned for life.
April 7 – The longest National League opener (to date) took place with the Brooklyn Dodgers and Philadelphia Phillies battling head-to-head for a grueling, fourteen innings and a 5–5 tie.
May 2 – Washington Senators pitcher Walter Johnson gets his 100th career shutout and New York Yankees shortstop Everett Scott gets a gold medal from the American League for playing in his 1,000th consecutive game. Scott began his streak on June 20, 1916. Washington defeats the Yankees, 3–0, as Johnson allows just three hits.
May 11:
The Philadelphia Phillies and the St. Louis Cardinals bash a game-record 10 home runs, as the Phillies beat the Cardinals, 20–14. Cy Williams hit three homers with seven RBI for Philadelphia, while teammate Johnny Mokan adds two homers, a double, and seven RBI. Besides, Les Mann belts two homers for St. Louis‚ and losing pitcher Bill Sherdel connects one. Overall, 23 batters hit safely with the two teams combining for 79 total bases. Williams now has 12 home runs, which tops the Major Leagues.
May 18 – Benny Bengough makes his major league debut for the New York Yankees in their 9–4 win over the St. Louis Browns. Bengough would serve as a back-up catcher on the Yankees 1927 Murders Row team.
May 19 – For the first time in major league history, brothers on opposite teams hit home runs in the same game. Boston Red Sox catcher Rick Ferrell homers off his brother Wes Ferrell in the second inning, but the Cleveland Indians pitcher returns the favor as he homers in the third on a pitch called by his sibling. It is the only time that the Ferrell brothers homer in the same game.
June 3 – After pitching a complete game the day before, Detroit TigersHerman Pillette relieves in the 8th inning against the Cleveland Indians with Detroit up, 7–5. Pillette allows both inherited runners to score, but the Tigers tally a run in the bottom of the 9th to give him his second win in two days.
June 23 through July 22 – The Cleveland Indians play 31 consecutive home games against the other American League teams, finishing their homestand with a 16–15 record.[2]
June 26 – Moe Berg, who would go on to be a spy for the United States during World War II, is signed by the Brooklyn Robins as a free agent.
July 2 – Already down 7–0 to the St. Louis Browns, future Hall of Fame pitcher Ted Lyons makes his major league debut with the Chicago White Sox, and throws a perfect inning.
July 7 – In the first game of a double headeratDunn Field, the Cleveland Indians set an American League record after scoring in every inning against the Boston Red Sox. The feat was completed in eight innings (the home team did not bat in the ninth). The Indians collected 24 hits and 14 walks, while scoring 13 runs in the sixth inning for an embarrassing 27–3 victory. Cleveland win the second game as well, 8–5.
July 11 – Harry Frazee, owner of the Boston Red Sox since 1916, sells the club for over $1 million to a group of Ohio businessmen. Veteran front office man Bob Quinn will run the Red Sox, and as team president he will work to restore the credibility of a franchise whose best players had been sold off by Frazee over the years.
August 17 – The New York Yankees edge the St. Louis BrownsatSportsman's Park, 5–4. Babe Ruth hits his 31st home run in the 1st inning and adds a double in the 8th. After 111 games, Ruth is batting .401. He will wind up with his highest average at .393, leading the American League with 205 hits, 41 homers, 151 runs, a Major League record 170 walks, and will reach base a record 379 times en route to the AL MVP Award.
September 16 – A riot broke out at Wrigley Field after umpire Charley Moran made an out call at second base on Chicago Cubs' Sparky Adams. Commissioner Judge Kenesaw Mountain Landis was in attendance and shook his cane at the angry mob, as Moran and the other officials were pelted by hundreds of empty bottles. After holding up play for over fifteen minutes, the game resumed with the visiting New York Giants winning, 10–6.
September 17 – George Kelly of the New York Giants sets a major-league record by hitting home runs in three consecutive innings (3rd, 4th and 5th) against Chicago Cubs pitcher Vic Aldridge, as New York rolls to a 13–6 win. Kelly adds a single and double to run his total bases to 15 for the game. Kelly has now hit a record six homers off cousin Aldridge this year, a mark off one pitcher that will be tied by Ted Williams in the 1941 season, off Johnny Rigney, and Ted Kluszewski in 1954, off Max Surkont.
October 11 – The New York Yankees win their first World Series game against the New York Giants in nine tries on two home runs by Babe Ruth. Going back to the 1921 World Series, they were 0–8–1, with a tie game in the 1922 World Series.
October 12 – A solo home run by Casey Stengel in the seventh inning is the only run of the third game of the World Series.
October 13 – The Yankees get off to an 8–0 lead in game four of the World Series, and win it, 8–3.
October 14 – Joe Dugan hits the second inside-the-park home run of the World Series, as the Yankees defeat the Giants, 8–1.
October 15 – The New York Yankees defeat the New York Giants, 4–2, in Game 6 of the World Series to win their first World Championship, four games to two. The Yankees opened their new Yankee Stadium in April making it the third time that a team had inaugurated a new stadium with a World Series win. The three consecutive matchups between the Yankees and Giants (1921–1923) marked the only time, to date, that three straight World Series featured the same two clubs.
January 1 – Willie Keeler, 50, Hall of Fame right fielder and prolific bunter who compiled a .341 lifetime batting average, two National League batting champion titles, batted over .370 from 1894 to 1899, including a .424 mark and record 44-game hitting streak for 1897 Orioles, while leading the league in singles seven times, hits three times and runs once, ranking second all-time in hits and runs upon retirement.
January 22 – Fred Cooke, 49, outfielder for the 1897 Cleveland Spiders of the National League.
January 25 – Nick Wise, 56, catcher/outfielder for the 1888 Boston Beaneaters of the National League.
February 4 – George Tebeau, 61, outfielder nicknamed ″White Wings″ for his blazing speed, who hit .269 and stole 228 bases in 627 games for four teams, and later became the owner of the Kansas City Blues American Association franchise.
February 17 – George Meakim, 57, pitcher who played between 1890 and 1895 with the Louisville Colonels, Chicago Colts, Philadelphia Athletics and Cincinnati Reds.
April 10 – Jay Faatz, 62, first baseman for three teams, who also played and managed for the 1890 Buffalo Bisons of the Players' League in the 1890 season.
April 10 – Jim Gill, 57, second baseman/centerfielder for the 1889 St. Louis Browns of the American Association.
June 10 – Bill Annis, 66, outfielder for the 1884 Boston Beaneaters of the National League.
June 11 – George Hall, 74, British-born outfielder who played from 1866 through 1877 for nine different teams, while hitting a .322 average in 365 career games and leading the National League in home runs in 1876.
June 12 – Cliff Carroll, 63, outfielder who hit a .251 average in 991 games for six different teams between 1882 and 1893.
June 19 – Tom Jones, 46, first baseman who hit .251 with 964 hits and 135 stolen bases for three American League teams between 1902 and 1910.
June 21 – Claude Elliott, 46, pitcher who played from 1904 to 1905 for the Cincinnati Reds and New York Giants.
June 21 – Bill Grevell, 25, pitcher for the 1919 Philadelphia Athletics of the American League.
August 15 – Marty Hogan, 53, British-born outfielder who played from 1894 through 1895 for the Cincinnati Reds and St. Louis Browns of the National League.
August 16 – Bill Day, 56, pitcher for the Philadelphia Quakers/Phillies and the Pittsburgh Alleghenys of the National League from 1889 to 1890.
August 16 – Jim Scoggins, 32, pitcher for the 1913 Chicago White Sox of the American League.
August 29 – Jocko Milligan, 62, catcher/first baseman who played from 1884 to 1893 for six National League teams, most prominently with the Philadelphia Athletics.
September 1 – Frank McManus, 48, catcher who played between 1899 and 1904 with the Washington Senators and Brooklyn Superbas of the National League and the Detroit Tigers and New York Highlanders of the American League.
September 3 – Jack Barnett, 43, backup outfielder for the St. Louis Cardinals in the 1907 season.
September 5 – Dots Miller, 36, infielder who spent twelve seasons with the Pittsburgh Pirates, St. Louis Cardinals and Philadelphia Phillies, and a member of the Pittsburgh team that won the National League pennant and defeated the Detroit Tigers in the 1909 World Series.
September 9 – George Keerl, 76, second baseman for the 1875 Chicago White Stockings of the National League.
September 18 – General Stafford, 55, versatile fielder who played over 100 games at three different positions for five teams, and a member of the 1898 National League Champion Boston Beaneaters.
October 21 – Biff Sheehan, 55, outfielder/first baseman for the St. Louis Browns of the National League during the 1895 and 1896 seasons.
October 22 – Warren McLaughlin, 47, pitcher who played for the Philadelphia Phillies and Pittsburgh Pirates between 1900 and 1903.
October 29 – Jack Nabors, 35, pitcher for the Philadelphia Athletics of the American League from 1915 to 1917, who lost 19 consecutive decisions in 1916 to set a major league record that has never been matched.
October 29 – Jimmy Ryan, 60, center fielder for five teams between 1895 and 1903; a .306 career hitter who led the National League in hits, home runs, doubles and slugging in 1888; recovered from a serious injury in 1893 train wreck to hit .361 the next year, and finished third all-time in hits, fourth in runs and home runs upon retirement.
