Nunn (26.0 ppg) scored 25 points and Hayes (19.1) had 21 for the Golden Grizzlies (15-10, 7-5 Horizon), who snapped a two-game skid. Nick Daniels added 11 points.
Oakland had a 17-point lead in the second half when the Jaguars (7-16, 4-7) rallied to get within three with T.J. Henderson accounting for 13 straight points during the stretch.
Daniels scored seven straight points as Oakland rebuilt a nine-point lead with 3:44 left. IUPUI cut it to four but Walker took a pass as he cut through the paint from Daniels, whose back was to the basket, and scored. Daniels added two free throws to lead 80-72 with 39 seconds remaining.
Sacramento State dominates 2nd half for 81-56 victory
Joshua Patton was 8 of 11 from the floor for 19 points and Marcus Graves added 14 while dishing out 10 assists as Sacramento State shut down Division II Holy Names in the second half for an 81-56 victory on Tuesday night.
Rosga scores 22 points, Denver defeats Wyoming 90-87 in OT
Joe Rosga scored 22 points and made four consecutive free throws in the final nine seconds of overtime to help Denver defeat Wyoming 90-87 on Tuesday night.
Murphy, Minnesota outlast pesky North Florida 80-71
Jordan Murphy had 20 points and a season-high 18 rebounds, Isaiah Washington pitched in 14 points and 13 assists, and Minnesota outlasted North Florida 80-71 on Tuesday night.