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

"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."

Locked out of Major League Baseball, black players looked to the Negro Leagues to be treated like the elite athletes they were. And it was all possible because of one man: Rube Foster.

Growing up in the Bronx, Sonia Sotomayor was a die-hard Yankees fan. Little did she know she would one day help save the sport itself.