Dolphins RB Moreno out after hurting left elbow

Miami Dolphins running back Knowshon Moreno (28) holds his arm during the first half of an NFL football game against the Buffalo Bills on Sunday, Sept. 14, 2014, in Orchard Park, N.Y. (AP Photo/Gary Wiepert)
Gary Wiepert

ORCHARD PARK, N.Y. (AP) Miami Dolphins running back Knowshon Moreno hurt his left elbow on his first carry against the Buffalo Bills on Sunday .

The Dolphins announced Moreno and would not return.

Driving up the middle for a 4-yard gain, Moreno was initially hit on the right side by safety Nickell Robey. Linebacker Nigel Bradham then struck Moreno from the left, hitting him directly in the arm.

Moreno immediately clutched his left forearm as he lay on the field. He was attended to by trainers and then escorted to the locker room.

Moreno was a key offseason free-agent acquisition. He had an NFL-leading Week 1 best 134 yards rushing and a touchdown in a 33-20 win over New England.

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AP NFL website: www.pro32.ap.org and www.twitter.com/AP-NFL

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