By Craig Filazzola, WSOE Sports Director
Everyone knows Jackie Robinson, but who gets left out in breaking the color barrier? What states were granted MLB teams for the first time? What year on this day did the public address system make its debut?
Find out the answers in this edition of This Day in Baseball History.
1929 – Playing at the Polo Grounds, the New York Giants are the first baseball club to use a public address system.
1947 – Larry Doby becomes the first African American player in the American League. As a pinch hitter for the Cleveland Indians, he strikes out en route to a 6-5 loss to the Chicago White Sox.
1987 – Mark McGwire hits his 30th home run of the season, the most for a rookie before the All-Star break.
1991 – The National League owners make a unanimous decision to approve the Colorado Rockies and Florida Marlins to join the league for the 1993 season.
WSOE Sports Director