Marteze Waller's 1-yard touchdown run on Fresno State's first possession in overtime lifted the 15th-ranked Bulldogs to a 35-28 victory over San Diego State on Saturday night.
Fresno State held on for the win when Quinn Kaehler's fourth-down pass to Dylan Denso was knocked away by Derron Smith.
Derek Carr finished 35 of 57 for 298 yards passing and two touchdowns — both in the second half — for the Bulldogs (7-0, 4-0 Mountain West).
The Aztecs (3-4, 2-1) trailed 28-14 in the fourth quarter before Aaron Boesch scored on a 1-yard run with 9:37 to go. Tim Vizzi recovered the ensuing onside kick and Chad Young's 27-yard scoring run tied it at 28-all with 7 minutes remaining.
San Diego State had a chance to win in the closing seconds but Seamus McMorrow's 37-yard field-goal attempt was blocked by Frenso State's Marcel Jensen as time expired in regulation.