What started as a simple promotion turned into an unforgettable night of unruly fans, flying fists, and baseball bedlam.

Who gave the first high five? One early instance suggests it was a spontaneous moment between two L.A. Dodgers.

Althea Gibson was a trailblazer in the segregated sport of tennis.

"What do Mickey Mantle, Hank Aaron, Ted Williams, Stan Musial, Willie Mays, and Yogi Berra all have in common They're all baseball players! And they all played together on the same field at the 1955 MLB All-Star Game at Milwaukee County Stadium. Watch the recap of this historic game from rare, HD footage."