Center Cesar Ruiz: Michigan's O-line will be a game changer

Michigan center Cesar Ruiz on new OL coach Ed Warinner Angelique S. Chengelis, The Detroit News

(Photo: John T. Greilick / Detroit News)Ann Arbor — Michigan center Cesar Ruiz’s voice was a bit raw and a tad raspy, but he got his message across loud and clear to media questioning how good the offensive line can be this fall.

Ruiz, a sophomore, will be the Wolverines’ starting center when they open the season Sept. 1 at Notre Dame. He has been reunited with quarterback Shea Patterson, for whom he was the center at IMG Academy.

“Yeah, it is a strength of our offense,” Ruiz said, making a bold statement about an offense that ranked among the nation’s worst last year in sacks and tackles for loss…