Michigan WR Roy Roundtree has arthroscopic knee surgery, expected back in 2 weeks

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"It was just one of those things."

Roundtree, who is expected to be one of Michigan's leading pass-catchers this season, hurt his knee "walking back to the huddle" at practice last week.

"A lot of guys come back in two weeks (from surgery like this)," Hoke said. "Our doctors did a tremendous job, we have a great medical staff.

"Everything went well from talking to them. ... And you've got a guy like Roy, who is a committed guy, he's going to do everything in his power to get back."

The 6-foot, 180-pound senior was honored before the season by receiving Desmond Howard's "Michigan Football Legend" No. 21 jersey. He, along with junior Jeremy Gallon, is Michigan's most experienced wideout.

Roundtree is expected to be the team's starter at flanker this season, taking over the position that 2011 leading wideout Junior Hemingway left when he graduated.

Roundtree had 72 catches for 935 yards as sophomore in 2010. In 2011, his numbers dipped significantly in Al Borges' new offense -- as he finished the season with 19 grabs for 355 yards. For his career, Roundtree has 123 catches for 1,724 yards and 12 touchdowns.

Other candidates to receive snaps at wide receiver this season are sophomore Jerald Robinson, junior Drew Dileo and true freshman Amara Darboh -- who have a combined 10 career catches (all by Dileo).

Michigan has also been working backup quarterback Devin Gardner at wide receiver, but has yet to determine how much he'll play there this season.

"With (Roundtree), he's one of the great kids on this football team as a senior," Hoke said. "He's been a guy who will do a great job of bouncing back."