New York Yankee, Joe DiMaggio, made his major-league debut.
Source
The Cincinnati Red Stockings played their first game, winning with 45-9 against the Great Westerns of Cincinnati.
Babe Ruth's baseball jersey became the most expensive sports memorabilia when it sold for $5.6 million.
Jackie Robinson signed the first Major League Baseball contract for a Black ballplayer.
Carlos Martinez famously hit a ball off Jose Canseco's head for a home run in major league baseball.
Casey Stengel announced that he was retiring from managing the New York Mets after 55 years in baseball.
