Mockevicius had 13 points and grabbed 14 of his 18 rebounds in the first half while the Purple Aces (11-2) were 17 of 27 from the field to build a 47-27 lead at the break.
Brown had 11 of his career-best 19 points in the second while Evansville shot even better (17 of 24) to protect its lead. The Aces finished 66.7 percent for the game.
Ladarius Tabb had 30 points and seven rebounds to lead Alabama A&M (4-4), and Nicholas West added 19 points. Those two attempted 39 of the Bulldogs' 64 shots.