No. 2 Michigan rolled in its Big Ten opener to a 94-66 win at Northwestern on Thursday night.  Five Wolverines scored in double figures led by Trey Burke with 23 and Tim Hardaway Jr. with 21.  Jordan Morgan added 12 points and 13 rebounds for U of M which is now 14-0 on the season.  Glenn Robinson III and Nik Stauskas both had ten points.  Michigan will host Iowa on Sunday in Ann Arbor.