The winning score, with 12:24 left, came one play after South Dakota quarterback Dante Warren fumbled.
Wright was 25 of 34 for 260 yards for the Aggies (3-3, 1-0 Great West). UC Davis only ran for 34 yards in the game, though Nick Aprile scored on a 1-yard run in the first half. Sean Creadick was the Aggies' top receiver with seven catches for 100 yards.
Chris Ganious was the leading rusher for South Dakota (3-3, 1-1) with 142 yards on 22 carries.
Warren ran 10 times for 88 yards, including the Coyotes' only touchdown. But he had a rough night passing, completing just 7 of 26 for 89 yards.
Linebacker Myles Jack, who suffered a season-ending knee injury, said Thursday he decided to leave UCLA and enter the 2016 NFL draft because he wants to be compensated for his skills.
Randy Edsall will coach Maryland against No. 1 Ohio State on Saturday, the school announced Thursday as rumors swirled about his job status going forward.
Tennessee chancellor Jimmy G. Cheek has issued a statement amid rumors that alleges coach Butch Jones fought and punched senior offensive lineman Mack Crowder during a fall practice session.
Arizona quarterback Anu Solomon will start against Oregon State on Saturday, a source told ESPN.
Rutgers receiver Leonte Carroo returned to practice Thursday after charges that he attacked a woman he used to date were dropped, and he said he was "lucky" to be playing again.
Texas says longhorn steer mascot Bevo XIV has a "life-threatening condition" and won't travel to Dallas for the team's rivalry game Saturday against No. 10 Oklahoma at the Cotton Bowl.