Zvonimir Ivisic scored 18 points, including seven in overtime, as short-handed Arkansas outlasted struggling Texas 86-81 on Wednesday in Fayetteville, Ark.The Razorbacks (17-11, 6-9 Southeastern Conference) led by 14 points with 10 minutes to play before Texas cut the margin to 66-63 on a 3-pointer by Tre Johnson with 3:42 remaining.Johnson’s driving layup with 1:11 to play gave Texas a 69-68 lead. D.J. Wagner then drove the lane, was fouled with eight seconds left and made 1 of 2 free throws to send the game into the extra period.In the overtime, Johnson and Ivisic traded baskets, with a pair of free throws by the Croatian center with 2:38 left giving the Razorbacks a 75-74 lead. A driving layup Wagner with 1:04 to play pushed the advantage to five points. Johnson answered by sinking a layup with 54.6 seconds left to make it a one-possession game.A pair of free throws by Arkansas’ Johnell Davis with 24 seconds left were countered by a step-back 3-pointer from Johnson nine seconds later to cull the lead to 81-79. Two more free throws by Davis were answered by a layup from Johnson with 7.3 seconds to play.Finally two free throw by the Razorbacks’ Jonas Aidoo and then one by Ivisic allowed Arkansas to escape with its second straight win.Wagner scored 16 points for the Razorbacks while Davis had 14. Trevon Brazile and Karter Knox added 12 points each for Arkansas, which swept the season series from the Longhorns.