1963 in baseball

: Los Angeles Dodgers beat New York Yankees (4–0); Sandy Koufax, MVP

World Series

July 9 at Municipal Stadium: National League, 5–3; Willie Mays, MVP

All-Star Game

Baseball Hall of Fame

Most Valuable Player

Cy Young Award

Rookie of the Year

Gold Glove Award

January 14 – The and Chicago White Sox pull off a blockbuster trade. Baltimore obtains future Baseball Hall of Fame shortstop Luis Aparicio and veteran outfielder Al Smith in exchange for Cooperstown-bound knuckleballer Hoyt Wilhelm, shortstop Ron Hansen (the 1960 American League Rookie of the Year), third baseman Pete Ward and outfielder Dave Nicholson. The White Sox gain, in Wilhelm, a shutdown relief pitcher, as well as three regulars; meanwhile, Aparicio will help the Orioles break through to a World Series championship in 1966.

Baltimore Orioles

January 24 – The acquire Don Zimmer from the Cincinnati Reds in exchange for minor league pitcher Scott Breeden.

Los Angeles Dodgers

January 27 – , Eppa Rixey, Elmer Flick and John Clarkson are elected to the Hall of Fame by the Special Veterans Committee.

Sam Rice

January 2 –

David Cone

January 2 –

Edgar Martínez

January 4 –

Daryl Boston

January 4 –

Trey Hillman

January 5 –

John Davis

January 5 –

Jeff Fassero

January 6 –

Norm Charlton

January 6 –

Bob Davidson

January 7 –

Craig Shipley

January 8 –

Shane Turner

January 15 –

William Brennan

January 18 –

Bill Sampen

January 19 –

Scott Little

January 20 –

Cecil Espy

January 22 –

Javier Ortiz

January 22 –

Jeff Treadway

January 23 –

Marty Brown

January 26 –

Kevin Blankenship

January 26 –

José Segura

January 28 –

Gary Mielke

January 29 –

Brian Meyer

January 31 –

Dave Cochrane

January 31 –

Francisco Oliveras

January 4 – , 68, first baseman who played in 40 games over three seasons for the 1913 St. Louis Browns and 1917–1918 Boston Braves.

Sam Covington

January 5 – , 66, Hall of Fame second baseman (1915–1937), mainly for the St. Louis Cardinals, who posted the highest lifetime batting average (.358) of any right-handed batter, also a seven-time batting champion including a .424 mark in 1924, twice MVP, and the first National League player to hit 300 home runs; as player-manager, led 1926 Cardinals to the franchise's first World Series title; also played for New York Giants, Boston Braves, Chicago Cubs and St. Louis Browns and managed Braves, Cubs, Browns and Cincinnati Reds.

Rogers Hornsby

January 7 – , 79, outfielder who appeared in 77 total games for the 1907 Pittsburgh Pirates and 1912 Philadelphia Athletics; his son played for the 1938 Brooklyn Dodgers.

Harl Maggert

January 16 – , 73, pitcher in seven games for 1912 New York Highlanders.

Tommy Thompson

January 20 – , 86, pitcher who worked in 13 MLB games, two for the 1903 Cincinnati Reds and 11 for 1905–1906 Detroit Tigers; as of 2023, one of three big-league players born in Norway.

Jimmy Wiggs

January 29 – , 65, pitcher in 99 games over four seasons between 1925 and 1929 for Washington Senators, St. Louis Browns and Brooklyn Robins.

Win Ballou

January 29 – , 68, pitcher who won 188 games for the Cardinals, Phillies and Pirates, as well as the first modern major leaguer to wear glasses.

Lee Meadows

January 31 – , 73, third baseman for the 1912–1918 Detroit Tigers and 1919–1921 Boston Red Sox; longtime minor-league manager known for piloting 1937 Newark Bears, one of the strongest clubs in history of minors; managed 1938–1940 Cleveland Indians to a 262–198–2 (.570) record, but his tenure was marred by a player revolt.

Ossie Vitt