Center Valley (Penn.) Southern Lehigh four-star tight end Andrew Olesh first visited Michigana few months ago for a spring practice. He then returned to Ann Arbor for his official visit from June 21-23. Olesh grew close with head coach Sherrone Mooreand tight ends coach Steve Casula, who made him feel like Michigan’s top target at tight end. The 6-foot-5, 215-pound recruit gradually realized that he wanted to play college football in Ann Arbor and committed to the Wolverines on Monday over Alabama, Florida and Penn State. “One of the main reasons why I chose Michigan is because of coach Casula…