Brown finished with 14 points and a game-high 15 rebounds for the Pirates (14-12, 10-5 Atlantic Sun Conference), who have won three straight. Micah Williams pitched in with 13 points.
East Tennessee State pulled away early against the Owls (12-14, 7-8), jumping out to a 27-9 lead with 8:55 left in the first half on Tubbs' 3-pointer. He went 5-for-11 from beyond the arc.
Kennesaw State would pull no closer than 12 points, as the Pirates built a 26 point advantage -- their largest of the game -- on Brown's three-point play with 6:54 to play.
East Tennessee State forced 20 turnovers by the Owls.