Glenn Robinson III scored 17 points Saturday and to lead unbeaten No. 3 Michigan past Arkansas 80-67. Trey Burke scored 16 and Tim Hardaway Jr. had 14 in the win, which was John Beilein\'s 100th coaching victory at Michigan (9-0). Marshawn Powell led Arkansas (4-4) with 18 points. Kikko Haydar scored 13. Michigan led 42-32 at the half, but Arkansas cut the lead to 56-55 on Rickey Scott\'s layup with 8:48 to play in the second half. Michigan then hit two unanswered 3-pointers and pulled away.