JACKSONVILLE, Fla. -- Jarvis Haywood scored on a layup with 1:07 left and Jacksonville held off Mercer's second-half rally in a 49-47 win on Saturday.
Jacksonville took a 36-25 lead on Glenn Powell's two free throws with 16:06 left in the second half. But the Dolphins saw their lead vanish after Mercer went on an 18-3 run, capped by Bud Thomas' 3-pointer to give the Bears a four-point advantage with 7:06 remaining.
Powell, who finished with 12 points and seven rebounds, made a jumper to give Jacksonville a 45-43 lead with 5:15 left to play. The Dolphins pushed their advantage to four points on a layup by Keith McDougald, who finished with 12 points.
Mercer tied the game at 47-all on Thomas' jumper with 1:36 remaining. But Haywood answered with his go-ahead layup to lift Jacksonville (9-10, 4-2 Atlantic Sun) to the victory.
Langston Hall scored 11 points for Mercer (10-8, 3-2).
Maryland point guard Melo Trimble, considered a lock to leave the program before struggling in the second half last season, has withdrawn from the NBA draft and will return for his junior season.
Louisville's Chinanu Onuaku, who recently underwent a medical procedure to correct a heart rhythm issue detected during the combine, will keep his name in the NBA draft pool.
Andrew White III will return to the Nebraska men's basketball team next season after removing his name from the NBA draft.