A major league baseball policy that prevented players from becoming free agents. Curt Flood challenged this policy, and eventually free agency was born.

A law in collegiate sports that requires universities to allocate the same amount of money to men’s and women’s athletic departments.

Both a metaphor and a reality, this concept imagines a white athlete who will compete—and win—against a black opponent, or compete on a team with mostly black players. The term is largely reserved for pugilists.