By SI Wire
September 14, 2014

Dolphins running back Knowshon Moreno is expected to miss four weeks with a dislocated left elbow suffered in Sunday's 29-10 loss in Buffalo, according to ProFootballTalk.com.

Moreno went to the locker room on Miami's second possession and was ruled out for the rest of the game.

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The 27-year-old running back, who had 134 yards and a touchdown in Miami's Week 1 win over New England, had only one carry for four yards on Sunday. Moreno missed 20 games in five seasons with the Broncos before signing with the Dolphins this offseason.

Lamar Miller and Damien Williams shared the running back duties after Moreno left the game.

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- Chris Mascaro

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