SAN DIEGO -- 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.
The Aztecs quickly got the ball back when Fresno State went three-and-out. SDSU converted at the Fresno State 27-yard line on fourth down with 47 seconds left on Adam Muema's three-yard run. The Aztecs advanced the ball to the 20 before Seamus McMorrow came on for the potential game-winning kick.
McMorrow, who earlier missed from 40 yards, had his 37-yard field-goal attempt blocked by Frenso State's Marcel Jensen as time expired in regulation.
The Bulldogs earlier extended their lead with a key defensive play. With San Diego State trailing 21-14, Kaehler completed a pass to Ezell Ruffin to the Fresno State 21-yard line. However, Jonathan Norton forced a fumble and Ejiro Ederaine returned it 78 yards to exted the lead to 14 points with about 10 minutes to go.
Ruffin finished with 10 catches for 181 yards.
Carr got off to a slow start, missing 11 of his first 15 pass attempts. Then, as he lined up split to the left side as wide receiver Isaiah Burse took a direct snap and scored on a 10-yard run to give the Bulldogs a 7-0 lead with 8:40 to go in the first quarter.
Muema scored twice to put the Aztecs ahead. His 10-yard TD run tied the score with 8:43 remaining in the second quarter, and the go-ahead score came on a 1-yard run with 6 minutes to go in the third.
Davante Adams tied the score on an 11-yard scoring reception about 4 minutes later. His 16-yard reception put the Bulldogs ahead 21-14 with 12 minutes left in the fourth.
Carr struggled in the first half, completing 15 of 30 passes for 98 yards and no touchdowns. Thanks to his rough half, San Diego State outgained Fresno State over the first 30 minutes, 233-111. The Aztecs had more yards rushing (50-13), yards passing (183-98) and first downs (11-8).
Kaehler wasn't much better, completing just 12 of his 24 pass attempts. He finished 21 for 39 for 337 yards and no TDs.