Howard hit back-to-back 3-pointers and then made a jumper to spark a 15-2 run that gave the Braves a 23-15 lead midway through the first half. Blue Mountain trimmed its deficit to four points but Patterson answered with a 3 and, a couple minutes later, Sterling scored eight straight points to ignite a 12-0 spurt that pushed the lead into double figures for good just before halftime.
Viktor Lorenzon had 13 points to lead Blue Mountain.
Freshman Kobe Wilson, who came in with 13 career rebounds, had four points and 11 boards for Alcorn State.
The Braves are 0-8 against Division I opponents this season.
Watts is one of the most dynamic scoring guards in the country and looks to develop his game under coach Tom Izzo's tutelage.
Rocket Watts, the No. 27 overall prospect in the 2019 class, has committed to Michigan State.
UNC Wilmington will open its preseason basketball practices at North Carolina due to lingering effects of Hurricane Florence.