Mississippi 76, Arkansas 64: Marshall Henderson scored 16 points to lead five players in double figures and the Rebels pulled away from the visiting Razorbacks.
Mississippi (15-2, 4-0 SEC) also received big games from Murphy Holloway and Reginald Buckner, who both finished with double-doubles. Jarvis Summers and Nick Williams finished with 14 points each.
Arkansas (11-6, 2-2) knotted the game at 50 with 11:13 remaining after a 6-0 spurt. But the Rebels followed with a 17-4 run to regain control.
The Razorbacks were led by forward Marshawn Powell with 16 points. Guard BJ Young chipped in 14 while forward Hunter Mickelson added 10 points and eight rebounds.
The teams were tied on five different occasions, though Arkansas didn't lead after 7:41 remained in the first half.
GAME NOTEBOOK: With the win, Mississippi is off to its first 4-0 SEC start since the 1936-37 season. … The Razorbacks still lead the all-time series 41-30. The Rebels lead in Oxford, 18-5. … The game was delayed for 25 minutes during the first half because of a power outage at Tad Smith Coliseum.