Trailing by eight in the second half, Arkansas State (4-4) captured the lead during a 15-2 run sparked by Livingston's 3-pointer and capped by Sean Gardner's trey to make it 46-41 with 8:09 to go. Marshall's Tamron Manning quickly trimmed the gap to two with a free throw and a layup but the Thundering Herd couldn't overtake Arkansas State down the stretch.
Gardner finished with 17 points and Cameron Golden added 14 for the Red Wolves, who cemented the win at the free throw line - sinking 20 of 29 to Marshall's 6 of 8.
Marshall (4-7) opened the game with a 14-2 run and took a 32-27 advantage into the break but shot just 29.6 percent from the floor.
Ryan Taylor led Marshall with 13 points.