PULLMAN, Wash. (AP) — Washington State campus police are investigating a Southern California football player who was caught on video knocking a Cougars fan to the turf following the game in Pullman. The Spokesman-Review says campus police have identified the player as defensive lineman Liam Jimmons and he is being investigated on suspicion of assault. USC coach Clay Helton said he was aware of the incident and that he'd disciplined his player internally.