Forty-two-year-old Anthony Rucker and 32-year-old Francisco Lopez entered their pleas to felony assault and battery charges in a San Francisco courtroom on Tuesday.
Rucker is accused of punching a 27-year-old Oakland woman who tried intervening in a fight after the Giants lost to the Oakland A's on July 10. Police say the fight was not related to the game.
Rucker's attorney, Peter Santina, said his client was defending himself and didn't intend to hit the woman. Lopez's attorney, Lorne Dubin, said Lopez was assaulted during the incident.
Rucker and Lopez remain jailed.