... tailback and a valued special-teamer for the remainder of the 2009 season, as running back Patrick Cobbs has been placed on injured reserve with a torn ACL.

Cobbs suffered the injury in the fourth quarter of the Dolphins' 31-27 victory over the New York Jets on Monday Night Football.

A fourth-year player out of North Texas, Cobbs has appeared in 37 games for the Dolphins over four seasons, rushing for 172 yards while adding another 313 yards as a receiver.

Replacing Cobbs on the Dolphins' roster will be rookie running back Kory Sheets, who was signed off the San Francisco 49ers' practice squad.

Background

A Connecticut native, Sheets red-shirted at Purdue in 2004. He earned...

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