Mbang had 13 points in a span of 4:09 as the Rams (19-3, 5-2 Atlantic 10) took control with a 20-7 run in the second half. Mbang capped his streak by knocking down a 3-pointer with 12:15 left to play that gave the Rams a 56-38 lead.
Dayton (15-5, 3-4), which lost for the fourth time in five games, shot 2-of-13 from 3-point range. Brian Roberts, who led the Flyers with 17 points, connected on the team's first 3-point field goal with 8:11 to play.
Rhode Island hit 11-of-26 from beyond the arc with Mbang and Baron leading the Rams with four 3-pointers each. Parfait Bitee's 3 in the final seconds of the first half sent Rhode Island into halftime with a 36-27 lead.
The Flyers' London Warren finished with 13 points and 10 rebounds, both career highs.
Purdue coach Matt Painter says players haven't used the fifth-year graduate transfer rule for its true intent.
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.
The 2017 recruiting class is short on point guards, with Trevon Duval leading only eight prospects from the ESPN 60 who are still available.