Tony Gill scored 17 points off the bench and Lorenzo McCloud added 11 for the Tigers (15-11, 9-5), whose slim hopes for the Big West's regular-season title likely took a final hit. Pacific fell 3 1/2 games behind Long Beach State and has four conference games remaining.
The Tigers shot 19 of 57 (33.3 percent) from the field.
The game was tied at 38-all in the second half when Wilder made the first of UC Irvine's six 3-pointers in the next 5:11. Wilder and Travis Souza had two each during the surge, and when Starring hit from behind the arc, the Anteaters led 58-46 with 6:29 remaining.
Pacific got no closer than seven points the rest of the way.
Purdue coach Matt Painter says players haven't used the fifth-year graduate transfer rule for its true intent.
The 2017 recruiting class is short on point guards, with Trevon Duval leading only eight prospects from the ESPN 60 who are still available.
The dust has settled after players made their NBA draft decisions. Which college teams won? Which lost? Well, Villanova is pretty happy. USC, meanwhile, might not be as thrilled.