A signed jersey Mickey Mantle wore in the final ... out a grand slam in Game 5 of the 1953 World Series against the Brooklyn Dodgers, with the Yanks clinching the series the next day.

April 15th is a holiday across Major League Baseball. 78 years ago, Jackie Robinson made his MLB debut, breaking the color barrier and becoming the first Black player in modern Major League Baseball.

In 2004, MLB established April 15 as Jackie Robinson Day because that was the day he debuted for the Dodgers and broke the ...