It was the shot in the arm that the program needed after a three-game losing streak to begin league play.
Texas A&M’s Wade Taylor IV had hit a 3-pointer on the possession before that gave the Aggies a one-point lead, but Mark saved the day at the other end.
Now Arkansas will look ahead to Saturday, as the South Carolina Gamecocks come to town. They are coming off a loss at home to Georgia.
Tipoff is at 1 p.m. on Saturday.
Here are the best photos from Tuesday night’s game.