Arkansas (15-9, 6-5 SEC) won for the third time in four games by hitting 9-of-21 from beyond the arc and forcing 16 turnovers. Madracus Wade and Rickey Scott added 11 points each.
Auburn (9-15, 3-8) lost for the eighth time in nine games despite 18 points from Chris Denson.
The Tigers dominated the glass in the first half and led 35-33 at the break. But with 15 minutes left in a tie game, the Razorbacks went on a 17-5 run highlighted by five 3-pointers, two by Young.
Auburn closed within three with 5:15 left before Powell's three-point play gave Arkansas the cushion it needed.Copyright © 2015, The Baltimore Sun