For the second time this week, Auburn lost in the final seconds.
Arkansas' Delvon Johnson got open for a dunk with six seconds left to life the Razorbacks to a 57-55 win over the Tigers at the Auburn Arena on Saturday.
Auburn guard Josh Wallace got a decent look at a 3-pointer that banked off the backboard and rim before bouncing away.
The Tigers (9-19, 2-12 SEC), who erased a 13-point deficit Saturday, lost to Alabama on Wednesday on a tip-in with .3 seconds remaining.
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Rotnei Clarke led Arkansas (18-10, 7-7) with 17 points.
Kenny Gabriel had 13 for Auburn. Earnest Ross added 11.