Wallace was 12 of 16 from the field, missed just four from long range and grabbed a game-high nine rebounds. Jhivvan Jackson added 28 points on 11-of-21 shooting and made four 3-pointers for UTSA (3-6), which shot 60 percent (41 of 68) from the floor. Adokiye Iyaye chipped in 12 points.
Char Beauregard Jr. scored 15 points to lead Mid-America Christian. Daniel William and Justin Bogle added 13 points apiece, and Will Gibbons had 10.
The Roadrunners built a double-digit lead nine minutes into the game and led 56-39 at halftime. Mid-America Christian cut the deficit to 65-51 with 15:56 to play but didn’t get closer.
It was the first meeting between the schools.