pac-12.comNo. 15 USC Football Opens 2021 Season Against Mountain West Champion San José StateTHEMES *No. 15 USC opens its 2021 football season with a Labor Day weekend non-league home game against defending Mountain West Conference champion San José State on Pac-12 Network...and there will be fans in the Coliseum stands once again! *This will be just the fifth time that Troy has met the in-state Spartans (the last time was 2009). *USC has lost only once in 36 encounters against MWC teams. *The Trojans have captured their last 13 season openers in the Coliseum, dating to 1997.Anybody else remember the 12 point fourth q comeback in 2000? Me neither.