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 Assistant Set To Join Eagles As QB Coach OSU Player Hints Who Will Be Buckeyes Starting QB Next Season Michigan Receives Another Prediction To Land Another Elite Playmaker Michigan Staffer Takes DL Coaching Job At MAC School Michigan Makes Addition To Staff With Assistant QB Coach