PROVIDENCE, R.I. -- Mitch McDonald's layup with 21 seconds remaining broke an 84-84 tie and Army defeated Brown 88-86 on Tuesday night.
The victory was the first this season for the Black Knights (6-6) in four games against Ivy League opponents.
Army's 22-6 second-half rebounding advantage helped the Black Knights rally from a 46-38 halftime deficit. A 13-2 run gave Army a 64-57 lead, but Brown battled back to lead by five on four occasions, the last at 82-77 with 4:03 left.
Sullivan is now 14th on Brown's career scoring list at 1,172 points.