Southern California wrapped up its rocky season by rolling over Fresno State in the Las Vegas Bowl on Saturday.

Cody Kessler passed for 344 yards and a bowl-record four touchdowns in the Trojans' 45-20 victory over the 21st-ranked Bulldogs under Clay Helton, their third head coach in less than three months.

Marqise Lee and Nelson Agholor had two touchdown catches apiece, Javorius Allen rushed for two more scores, and the Trojans (10-4) answered every question about their motivation by dancing on the sideline while routing a BCS contender for the storied program's first postseason victory since 2009.

Derek Carr passed for just 217 yards and two TDs in his final game at Fresno State (11-2), which fell behind by 35-6 at halftime and failed to secure the first 12-win season in school history.

New Mexico Bowl

Colorado State 48, Washington State 45 -

Jared Roberts made a 41-yard field goal with 3 seconds left and the Rams overcame a 22-point deficit to beat the Cougars in Albuquerque.

Garrett Grayson threw for 369 yards and Kapri Bibbs ran for 169 yards and three touchdowns for Colorado State (8-6). The Rams overcame three early turnovers, but were helped by Washington State's two fumbles with less than 3 minutes left.

Connor Halliday threw six touchdown passes and finished with 410 yards for Washington State (6-7).

Famous Idaho Potato Bowl

San Diego State 49, Buffalo 24 -

Adam Muema ran for 230 yards and three touchdowns and Quinn Kaehler threw two scoring passes in the victory by the Aztecs (8-5) over the Bulls (8-5) in Boise.

FCS Semifinal

Towson 35, Eastern Washington 31 -

Backup quarterback Connor Frazier scored on a 1-yard run with 17 seconds left to lift the Tigers (13-2) over the Eagles (12-3) in Cheney, Wash. Towson will play two-time defending champion North Dakota State (14-0) in the national title game on Jan. 4 in Frisco, Texas.

Division II

Northwest Missouri State 43, Lenoir-Rhyne 28 -

Trevor Adams passed for 277 yards and three touchdowns to lead the Bearcats (15-0) over the Bears (13-2) in the championship game in Florence, Ala. Lenoir-Rhyne had eliminated West Chester in the semifinals.