ANN ARBOR – The Michigan Wolverines suffered their first home defeat in more than three seasons on Saturday in a 31-12 drubbing by the Texas Longhorns, the nation’s third-ranked team. Coming off an opener where there was a ton to clean up, it was a performance that did not do a ton to inspire confidence that this is a potential College Football Playoff team. And right now, that might be the least of their worries. There are issues from top to bottom that needed to be fixed heading into an unforgiving schedule down the stretch. RELATED: Sherrone Moore defends Davis Warren after humbling loss to…