Patterson hit a 3-pointer to spark 14-3 run to open the second half that gave IUPUI a 47-39 lead when Brennan converted a 3-point play with nearly 15 minutes to play. The Golden Grizzlies, who missed their first nine second-half field-goal attempts, trailed the rest of the way.
Kendrick Nunn's jumper pulled Oakland (17-2, 9-7) within three points with four minutes left, but Patterson answered with a 3-pointer and the Jaguars made all eight of their free-throw attempts in the final minute to seal it.
Nunn led the Golden Grizzlies with 29 points and Jalen Hayes scored 15 with 13 rebounds, four assists and two steals.
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