Bryant caught three touchdown passes and returned a punt for a TD. He had 106 yards receiving on five catches for Oklahoma State (5-0, 1-0 Big 12), who ended a four-game losing streak to the Aggies.
Quarterback Zac Robinson completed 10-of-13 passes for 186 yards and three touchdowns and also ran for 66 yards and two more touchdowns.
Ugo Chinasa and Patrick Lavine each scored on an interception return for the Cowboys.
Mike Goodson ran for 112 yards on eight carries with two TDSs for the Aggies (2-3, 0-1). Jerrod Johnson was 24-of-43 passing for 218 yards, with two touchdowns and those two interceptions.
Ryan Tannehill caught seven passes for 49 yards and two touchdowns for Texas A&M.