Leonard finished with 11 catches for 112 yards receiving.
Browning was 42 of 67 passing for 412 yards passing, and he had 69 yards rushing on 16 carries — his last the winding, game-winning scramble in overtime around and through the Arkansas defense.
The Razorbacks led 28-7 midway through the third quarter after freshman quarterback Brandon Allen connected with MeKale McKay for a 13-yard touchdown. Allen, filling in for the injured Wilson, finished 6 of 20 passing for 85 yards.
The Razorbackshad little offense after that, though they managed to take a 34-31 lead in overtime after a 37-yard field goal by Zach Hocker.
Cobi Hamilton led Arkansas with 99 yards receiving and a touchdown on six catches. The senior now has eight touchdown catches in seven career games in Little Rock's War Memorial Stadium.