Arkansas punished Auburn's man-to-man in the first half, but had no answers when the Tigers went to a zone in the second half.
Auburn whipped the Hogs with 27 of their 47 rebounds on the offensive end to overcome 38 percent shooting.
Eric Ferguson scored 18 points to lead the Hogs, with 15 in the first half. Olu Famutimi was the only other Arkansas player in double figures with 14. He added 7 rebounds.
Quinnel Brown and Marco Killingsworth each scored 16 for the Tigers.
The Razorbacks led by 39-20 with two minutes left in the first half when Ronnie Brewer, Jonathon Modica, Matt Jones and then Brewer again combined for a 9-0 run.
However, Auburn went on a 8-2 run to end the first half, and then turned to a zone to choke off the Hogs' scoring in the second half. The Hogs began to fire from outside to start the second half after working for layups in the opening half.
Auburn (9-7, 1-4) landed a 11-2 run to open the second half to close it to 43-39. The Tigers got the lead on Brown's back-to-back treys with 7 minutes to play for a 54-50 advantage.
Arkansas had one last run behind Famutimi and Ferguson. Famutimi had a tip and a three and Ferguson a steal for a layup to give the Hogs a 57-54 lead with 3 minutes to play.
Brown hit two more threes in less than a minute as the Tigers pulled away down the stretch.
"I was real disappointed in the second half," Arkansas coach Stan Heath said. "We had tremendous energy and made good decisions in the first half. At the half we talked about patience and we came out and took quick threes against their zone. That was a lack of leadership and that's frustrating."
Heath thought the Hogs "lacked hustle around the glass" and noted that they were standing in their zone defense in the second half. He noted that Auburn guard Nathan Watson garnered 7 rebounds.
"We knew we were going to have to commit some bodies to their big guys, but we didn't close out on the guards," Heath said. "You have to do that. Rebounding was a major factor in this game.
"On a positive, Olu Famutimi might have had a breakout game, and Eric Ferguson had a nice first half. I give Auburn credit though. They didn't lay down when we didn't finish off the first half right."
The Hogs return to Bud Walton Arena to play Vanderbilt on Saturday.
Auburn 70, Arkansas 63 (Final)
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