The following are the baseball events of the year 1925 throughout the world.  

Champions

• World Series: Pittsburgh Pirates over Washington Senators (4-3)
• Negro League World Series: Hilldale Daisies over Kansas City Monarchs (5-1)

Awards and honors

• League Award
  • Roger Peckinpaugh, Washington Senators, SS
  • Rogers Hornsby, St. Louis Cardinals, 2B

MLB Statistical Leaders

Major League Baseball final standings

American League final standings

National League final standings

Negro League Baseball final standings

Negro National League final standings

• Kansas City won the first half, St. Louis won the second half.
• Kansas City beat St. Louis 5 games to 3 games in a play-off.

Eastern Colored League final standings

Events

• May 5 - Everett Scott is benched by Yankees manager Miller Huggins‚ ending his record of 1‚307 consecutive games played. He is replaced by rookie Pee-Wee Wanninger at shortstop in the 6–2 loss to the Philadelphia Athletics. His mark will be broken by Lou Gehrig on August 17, 1933.
• May 17 - Cleveland's Tris Speaker gets his 3,000th hit, off Tom Zachary, in a 2-1 loss to the Washington Senators.
• June 6 - Eddie Collins of the Chicago White Sox records his 3000th career hit.
• July 23 - The Athletics move back into first place with a 5–4 victory over the Red Sox.
• July 23 - Yankees first baseman Lou Gehrig hits the first of his major league record 23 grand slams to beat Firpo Marberry and the Senators, 11–7.

Births

January-March

• January 4 - Tom Gorman
• January 12 - Ed Stevens
• January 22 - Bobby Young
• January 22 - Johnny Bucha
• January 30 - Brooks Lawrence
• February 3 - Harry Byrd
• February 5 - Jack Maguire
• February 9 - Vic Wertz
• February 13 - Mike Palm
• February 22 - Bob Wilson
• March 10 - Lou Limmer
• March 18 - Fred Hatfield
• March 20 - Al Widmar
• March 24 - Dick Kryhoski
• March 25 - George Eyrich

April-June

• April 6 - Hal Schacker
• April 28 - Cuddles Marshall
• May 2 - Ralph Brickner
• May 5 - Johnny Rutherford
• May 12 - Yogi Berra
• May 14 - Les Moss
• May 25 - Don Liddle
• June 4 - Dick Aylward
• June 8 - Del Ennis
• June 8 - Eddie Gaedel
• June 15 - Gene Baker
• June 24 - Jack Banta
• June 27 - Wayne Terwilliger
• June 29 - Nippy Jones

July-September

• July 18 - Windy McCall
• July 21 - Earl Mossor
• July 26 - Jackie Mayo
• July 30 - Bill Glynn
• July 31 - Harry Malmberg
• August 1 - Bobby Balcena
• August 16 - Willie Jones
• August 26 - Billy DeMars
• August 30 - George Wilson
• August 31 - Paul Hinrichs
• September 12 - Stan Lopata
• September 18 - Harvey Haddix
• September 25 - Ned Garver
• September 26 - Bobby Shantz

October-December

• October 3 - Chris Haughey
• October 25 - Roy Hartsfield
• October 28 - Luis Márquez
• November 4 - Spook Jacobs
• November 9 - Bill Bruton
• November 18 - Gene Mauch
• November 19 - Chuck Comiskey
• November 29 - Minnie Miñoso
• December 1 - Cal McLish
• December 3 - Harry Simpson
• December 8 - Hank Thompson
• December 14 - Toothpick Sam Jones
• December 21 - Bob Rush

Deaths

• February 15 - Duke Farrell, 58, catcher for eight teams who batted .300 four times, led American Association in home runs and RBI in 1891; later a scout
• March 4 - John Montgomery Ward, 65, pitcher who posted 164-102 record on the mound, including 47 wins for 1879 champion Providence and 1880 perfect game, then became shortstop, batting over .325 three times; fifth player to reach 2000 hits; organized first players' union in 1888, formed 1890 Players League
• May 31 - Harry Deane, 79, played two seasons, and managed one in the National Association.
• April 18 - Charles Ebbets, 65, owner of the Brooklyn Dodgers franchise since 1897
• June 26 - Sam Crane, 71, player and manager who went on to a long career as a sportswriter.
• August 2 - Patrick T. Powers, 63, founder of the minor leagues' governing body who served as its first president from 1901 to 1909
• August 15 - Arthur Soden, 80, owner of the NL's Boston franchise from the 1870s to the 1900s; NL president in 1882
• October 7 - Christy Mathewson, 45, pitcher for the New York Giants whose 373 victories included two no-hitters and thirteen 20-win seasons, reaching 30 four times including modern NL record of 37 in 1908; led NL in ERA and strikeouts five times each, wins and shutouts four times; set NL career records for wins, strikeouts, games and shutouts; had ERA under 2.00 five times with career 2.13 mark; pitched three shutouts in six days as star of 1905 World Series
• November 7 - Sam Kimber, 73, Brooklyn pitcher who threw no-hitter in 1884
• November 20 - John Coleman, 52, pitcher for the 1895 St. Louis Cardinals
• December 31 - Denny Sullivan, 67, third baseman for the Providence Grays 1879 National League champions and the 1880 Boston Red Caps