Chase Tapley scored 13 points and the Aztecs (11-1) won despite poor free-throw and 3-point shooting.
RJ Mahurin had 15 points and Manny Arop had 13 for Indiana State (6-4).
NORTH FLORIDA 74, GEORGIA SOUTHERN 46
In Las Vegas, Parker Smith hit seven 3-point shots and scored 25 points to help North Florida beat Georgia Southern in the Las Vegas Classic championship game.
Smith also had 10 rebounds for a double-double. Travis Wallace had 20 points and eight rebounds. Beau Beech had seven points, seven rebounds and five assists for North Florida (5-8).
Tre Bussey led the Eagles (5-7) with 12 points and six rebounds.
NO. 11 PENN STATE 82, NJIT 37
In State College, Pa., Maggie Lucas scored 21 points and Alex Bentley made eight steals, tying her career high, to lead Penn State to a rout of New Jersey Institute of Technology.
The Lady Lions (10-2), in their final game before starting Big Ten play, raced to a 44-9 halftime lead against the Highlanders (6-7) of the Great West Conference.
Bentley had six steals in the first half, when NJIT turned the ball over 15 times and shot 17.4 percent (4 of 23).