Michigan Michigan Freshman Makes Another Number Change Published September 22, 2017 Cesar Ruiz, who briefly switched to No. 96 against Cincinnati, was back to rocking No. 51: Cesar Ruiz back in the 51 jersey. pic.twitter.com/bCeSkUwTln — Brandon Brown (@BSB_Wolverine) September 16, 2017 Ruiz has already seen time as a backup offensive lineman. In this article:Cesar Ruiz Recent Posts Former Michigan DB Announces Transfer Destination Looks Like Michigan Could Miss Out On A Top Local OL Transfer To A SEC School Former Michigan RB Announces Transfer To Another Local School Former Five-Star OSU QB Announces Transfer To SEC School Looks Like Jadyn Davis Has Cleaned Up His Throwing Motion