Pittsburgh Steelers defensive end Aaron Smith has a right shoulder injury that coach Mike Tomlin says ``potentially could be significant.''
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Smith was injured Sunday in Detroit. He was being evaluated Tuesday, and the Steelers are not yet certain how long he will be out.
Smith has been with the Steelers longer than any player except wide receiver Hines Ward and defensive back Deshea Townsend. He is one of the keys to their 3-4 alignment and is often cited by teammates as being the most underrated player on what was the NFL's top defense the last two seasons.
Smith has 13 tackles and two sacks in five games and also blocked a field goal attempt during the Steelers' 13-10 victory over Tennessee on Sept. 10.
Oddsmakers from online sports book SPORTSBETTING.com have made the Steelers 14-point favorites in Week 6 against the Cleveland Browns.
Posted: 10/13/09 11:55PM ET