†Louisville was not in the league but these games counted in the standings.
St. Louis won the first half, Detroit won the second half.
St. Louis beat Detroit 4 games to 3 games in a play-off.
East (independent teams) final standings
A loose confederation of teams were gathered in the East to compete with the West, however East teams did not organize a formal league as the West did.
July 8 – The New York Yankees are shut out, 4–0, by Rube Walberg and the Philadelphia Athletics. It is the Yankees' seventh loss in a row, and second shut out in that stretch. They are the only two shut outs the Yankees suffer all season.
August 31 – The St. Louis Cardinals defeat the first place Chicago Cubs, 8–3. In the final 26 games of the season, the Cards go 22–4, and from fourth place in the National League to first.
September 10 – Hall of fameshortstopLuke Appling goes one-for-four in his major league debut as his Chicago White Sox fall 6–2 to the Boston Red Sox.
September 14 – Detroit Tigers Hall of famer Hank Greenberg makes his major league debut in a 10–3 loss to the New York Yankees.
September 20 – Bill Terry goes four-for-five in the first game of a double header and two-for-four in the second to raise his season average to.402. He goes five-for-seven in a double header the next day to see his average go as high as.406. He ends the season with a.401 batting average. He is the last National Leaguer to bat over.400.
September 28
*Dizzy Dean gives up just three hits and one earned run in his major league debut to lead the St. Louis Cardinals to a 3–1 victory over the Pittsburgh Pirates.
*Babe Ruth picks up a complete game victory against his former team, the Boston Red Sox on the final day of the season.
October–December
October 1 – The Philadelphia Athletics defeat the St. Louis Cardinals 5-2 in game one of the 1930 World Series despite being out hit 9-5. All five hits by the A's are for extra bases.
October 2 – A two out error by Cardinals second basemanFrankie Frisch leads to two unearned runs in the third inning as the A's cruise to a 6–1 victory in game two of the World Series.
October 4 – Bill Hallahan gets out of a bases loaded jam in the first inning by striking out Bing Miller. From there, he settles in, and leads the Cardinals to a 5–0 victory in game three of the World Series.
October 5 – Jimmie Dykes' throwing error in the fourth leads to two unearned runs as the Cardinals even up the series with a 3–1 victory.
October 6 – Jimmie Foxx breaks open a scoreless game with a two run home run in the ninth to give the A's the 2–0 victory in game five.
October 8 – The Philadelphia Athletics defeated the St. Louis Cardinals, 7–1, in Game six of the World Series to win their second consecutive World Championship, and fifth overall, four games to two. This would be the Athletics' last World Series championship in the city of Philadelphia.
October 14 – The Chicago Cubs trade Bill McAfee and Wes Schulmerich to the Boston Braves for Bob Smith and Jimmy Welsh. In a separate transaction, they also purchase Jakie May's contract from the Cincinnati Reds.
November 10 – Veteran pitcher Hippo Vaughn is reinstated by Judge Landis after eight years of ineligibility. Vaughn, who had lost a double no-hitter duel to Fred Toney in the season, had jumped the Chicago Cubs in. Vaughn chose to pitch for a semi-professional team following a salary dispute with Chicago. He will go to spring training with the Cubs in but will fail to make the team at age 43.
November 23 – At the Polo Grounds, St. Louis Browns outfielder Red Badgro, playing for the NFL New York Giants, catches a touchdown pass against the Green Bay Packers. It is the third TD catch of the season for Badgro, all from quarterback Benny Friedman. In 1981, Badgro will be elected to the Pro Football Hall of Fame.
November 25 – The Sporting News, acting to fill the Most Valuable Player void, announces its selection of Washington Senators shortstop Joe Cronin in the American League and New York Giants first baseman Bill Terry in the National League.
December 1 – Shano Collins, a native New Englander, is appointed manager of the perennial last-place Boston Red Sox.
January 8 – Charlie Flannigan, 38, third baseman/outfielder for the 1913 St. Louis Browns.
January 20 – Jumbo Schoeneck, 57, first baseman for the Chicago Browns, Pittsburgh Stogies, Baltimore Monumentals and Indianapolis Hoosiers from 1884 to 1889, who finished in the top ten in 10 offensive categories of the Union Association in his rookie season.
January 25 – Spencer Heath, 36, relief pitcher for the 1920 Chicago White Sox.
January 30 – Rip Hagerman, 41, pitcher for the Chicago Cubs and Cleveland Indians .
February
February 3 – Gus Sandberg, 34, backup catcher for the Cincinnati Reds from 1923 to 1924.
February 13 – Dan Abbott, 67, pitcher for the 1890 Toledo Maumees.
February 14 – Pete Kilduff, 36, second baseman for the New York Giants, Chicago Cubs and Brooklyn Robins from 1917 to 1921, who in the 1920 World Series became one of three outs in Bill Wambsganss's unassisted triple play, the only in Series history.
March
March 11 – Bob Barr, 73, pitcher who played for six different teams of the American Association and National League between 1883 and 1891.
March 12 – Jack Powell, 70, pitcher who posted 245 wins and a 2.97 ERA with four teams from 1897 to 1904.
March 15 – George Townsend, 62, catcher who played from 1887 to 1891 with the Philadelphia Athletics and Baltimore Orioles of the American Association.
March 25 – Bill Krieg, 71, catcher/outfielder/third baseman for the St. Louis, Pittsburgh, Chicago, Brooklyn and Washington teams from 1884 to 1887, who also won three minor league batting titles in the 1880s.
April
April 5 – Jack McGeachey, 65, backup outfielder who hit.245 with 164 stolen bases in 608 games for six teams from 1886 to 1891.
April 11 – Wayland Dean, 27, pitcher who posted a 24–36 record with a 4.87 ERA for the Giants, Phillies and Cubs from 1924 to 1927.
April 14 – Frank Kitson, 60, pitcher who won 128 games with a 3.18 ERA for six teams from 1898 to 1907.
April 14 – John B. Sheridan, 61, sportswriter for St. Louis newspapers whose column "Back of the Home Plate" appeared in The Sporting News for many years.
April 18 – Jack Stivetts, 62, pitcher for St. Louis Cardinals, Boston Beaneaters and Cleveland Spiders from 1889 to 1899, who collected six 20-win seasons, including 30-win campaigns in 1891 and 1892, and also hurled a no-hitter and won two games in the 1892 championship playoff.
April 23 – Rube Manning, 46, pitcher who posted a 22-32 record with a 3.14 ERA in 84 games for the New York Yankees from 1907 through 1910.
April 23 – Larry Twitchell, 66, outfielder and one of the early sluggers in major league history, who played from 1886 through 1894 with seven different teams, most prominently for the Detroit Wolverines.
April 26 – Harry Mace, 63, pitcher for the 1891 Washington Statesmen.
May
May 28 – Hal Carlson, 38, National League pitcher, winner of 114 games with the Pirates, Phillies and Cubs from 1917 through 1930, who was stricken suddenly in his hotel room before a game.
June
June 3 – George Hemming, 61, pitcher who posted a 91–82 record for six different clubs from 1891 through 1897.
June 5 – Lou Say, shortstop who hit.232 in 298 games for eight teams in four different leagues from 1873 to 1884.
June 9 – Lew McCarty, 41, catcher who hit.266 for the Brooklyn, New York and St. Louis National League teams from 1913 to 1921.
June 9 – Harry Patton, 45, relief pitcher who appeared in one game for the 1910 St. Louis Cardinals.
June 10 – Wally Smith, 42, valuable man at all four infield positions, who hit.229 in 201 games for the Cardinals and Senators between 1911 and 1914.
June 22 – Bill Dam, 45, utility outfielder for the 1909 Boston Doves.
July
July 5 – Frederick Fass, 70, pitcher for the 1887 Indianapolis Hoosiers.
July 16 – Zeke Rosebraugh, 53, pitcher for the Pittsburgh Pirates in 1888 and 1889.
July 19 – Will Holland, 68, outfielder for the Baltimore Orioles of the American Association in 1889.
August 4 – Sam Jackson, 81, second baseman for the Boston Red Stockings and the Brooklyn Atlantics, who also became the third English player to reach the majors.
August 7 – Emmett Seery, 69, outfielder who played for seven different teams in all four active leagues during the 19th century.
August 15 – Guy Tutwiler, 41, first baseman for the Detroit Tigers between 1911 and 1913.
August 17 – Harry Maskrey, 68, outfielder who appeared in one game for the Louisville Eclipse of the American Association in 1882.
August 29 – Ben Sanders, 65, pitcher for five seasons, 1888–1892, threw no-hitter on August 22, 1892.
September
September 1 – John Reccius, 70, pitcher and center fielder for the 1882–1883 Louisville Eclipse.
September 7 – Mickey Keliher, 40, first baseman for the Pittsburgh Pirates from 1911 to 1912.
September 14 – Jim McCauley, 67, backup catcher for the St. Louis Browns, Buffalo Bisons, Chicago White Stockings and Brooklyn Grays from 1884 to 1886.
September 19 – Arlie Pond, 57, pitcher for the Baltimore Orioles from 1895 to 1898, as well as a doctor in the U.S. Army between 1898 and 1919.
September 25 – Joe Wilhoit, 44, right fielder for the Boston Braves, Pittsburgh Pirates, New York Giants and Boston Red Sox from 1916 to 1919, who posted the longest hitting streak in baseball history with 69 games in 1919, while playing for the Wichita Jobbers of the Western League.
October
October 9 – Lem Cross, 58, pitcher who posted a 3–6 record with the Cincinnati Reds from 1893 to 1894.
October 29 – Gene Wright, 51, pitcher for the Brooklyn, Cleveland and St. Louis teams from 1901 to 1904.
November
November 7 – Warren Fitzgerald, 62, pitcher who posted a 15–20 record with a 3.66 ERA for the Louisville Colonels from 1891 to 1892.
November 7 – John Hanna, 67, catcher for the Washington Nationals and Richmond Virginians during the 1884 season.
November 19 – John Russell, pitcher for the Brooklyn Robins and Chicago White Sox between 1917 and 1922.
November 20 – William B. Hanna, 68, sportswriter for various New York newspapers since 1888, known for his florid writing style.
November 28 – Ed Hendricks, 45, pitcher for the 1910 New York Giants.
December
December 3 – Harry Baumgartner, 38, relief pitcher who went 0–1 in nine games for the 1920 Detroit Tigers.
December 5 – Ben Guiney, 72, backup catcher for the Detroit Wolverines during the 1883 and 1884 seasons.
December 9 – Rube Foster, 51, pioneer and driving force in the Negro Leagues, as owner and manager of the Chicago American Giants from 1911 to 1925, who in 1920 founded the first stable Negro League, the Negro National League, and won its first three pennants, also regarded as the premier pitcher in black baseball in the century's first decade.
December 9 – Dave Rowe, 76, center fielder for five teams in six seasons between 1877 and 1888, who also managed the Kansas City Cowboys in 1885 and 1888.
December 14 – Al Hubbard, 70, catcher/shortstop for the 1883 Philadelphia Athletics.
December 25 – Fred Clement, 63, shortstop for the 1890 Pittsburgh Alleghenys.
December 29 – Sandy Piez, 42, backup outfielder who spent most of his career as a specialist pinch-runner with the 1914 New York Giants.
December 29 – Ginger Shinault, 38, backup catcher who hit.295 in 35 games for the Cleveland Indians from 1921 to 1922.
December 29 – George Stutz, 37, shortstop who appeared in six games with the 1926 Philadelphia Phillies.
