Gary Patterson scored 12 points for the Jaguars (11-10, 4-6 Summit), who shot 61 percent from the field. IUPUI won its second straight after snapping a five-game losing streak Saturday.
David Marek scored 23 points to lead Southern Utah (6-15, 4-6). Marek went 7-for-7 from 3-point range and kept the Thunderbirds in the game until midway through the second half, when IUPUI pulled away.
Glenn went 9-for-10 from the field for the Jaguars. His three-point play with 1:35 left gave IUPUI its biggest lead, 73-55.
Southern Utah has lost four of its last five Summit League games.