Marcus Posley added 12 points off the bench for the Cardinals (4-4), and Chris Bond had 11 points and 11 rebounds. Majok, a junior-college transfer coming off a career-high 17 rebounds in Wednesday's win over Holy Cross, grabbed 16 boards and added nine points.
Steve Tecker had 15 points and Trevor Gruis 14 for the Coyotes (4-6), who tied the back-and-forth game at 39 on Brandon Bos' 3-pointer with 12 minutes to play. But a 15-5 Ball State run, capped by Scaife's 3-pointer with 5:53 left, put the Cardinals up 54-44. South Dakota later pulled within 54-51 but didn't score again.
Ball State shot 43 percent from the field, but that was better than South Dakota's 34 percent -- including 4 of 25 on 3-pointers.
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.