Malik Dia scored a season-high 21 points and drained a crucial 3-pointer with 1:10 remaining as No. 23 Ole Miss topped Arkansas 73-66 on Wednesday night in Fayetteville, Ark.With Arkansas rallying down 68-62, Dia — who had a team-high eight rebounds — took a pass from Jaylen Murray and canned a wide-open trey to lock down the win for the Rebels (13-2, 2-0 Southeastern Conference), who won for the seventh time in eight games.Sean Pedulla had 16 points and made 3 for 4 from deep. Dre Davis added 10 as Ole Miss made 23 of 50 shots (46 percent) from the floor and hit 9 of 23 (39.1 percent) from range.Adou Thiero led the Razorbacks (11-4, 0-2) with 17 points and nine boards. Johnell Davis had 15 points, while Boogie Fland had 14 points, six rebounds and five assists. D.J. Wagner netted 11.To open the only regular-season meeting, Arkansas raced out to a 10-1 start behind Fland’s five points, a three-point play by Wagner and Thiero’s steal and breakaway, holding the visitors without a basket until Murray’s driving layup at 15:18.An Ole Miss 10-5 run capped by Dia’s dunk made it 15-11 before the Razorbacks got a big three-pointer from Johnell Davis for a 20-13 advantage.In the 87th all-time matchup between the border state teams, the Rebels closed the gap and tied it at 30-all on Dia’s driving dunk with 1:56 remaining.Ending the first half on a 14-6 run, Ole Miss saw Pedulla’s all-net long ball leave the halftime score leveled at 33.