5. Juan Marichal Goes Batty
In the midst of the 1965 National League pennant race, New York rivals the Giants and the Dodgers got violent on August 22. While taking his turn at the dish, Giants pitcher Juan Marichal, anticipating retaliation for hitting two Dodgers earlier in the game, struck Dodgers catcher Johnny Roseboro on the head with his bat, then took the weapon into the diamond before being restrained by teammates. He was fined $1,750 and suspended eight games.