Redshirt freshman Carson Baker threw for the go-ahead score in his first career start and Tariq Thompson had a strip-sack fumble recovery and an interception for San Diego State, which beat BYU 13-3 Saturday night in a matchup of former conference rivals . SDSU (9-3) rebounded from a loss at Hawaii that cost it the Mountain West Conference West Division title and a spot in the league's championship game. BYU (7-5) had its five-game winning streak snapped and lost to SDSU for the first time since 2005. Th e Cougars had beaten the Aztecs six straight times, including in their final regular-season matchup, in 2010 before leaving the MWC and going independent. BYU beat SDSU 23-6 in their most recent encounter, in the 2012 Poinsettia Bowl in San Diego. | | |