Buffalo Bills running back Marshawn Lynch has been ruled out of Sunday's game against the Jacksonville Jaguars.
Lynch, hobbled by a high-ankle sprain, was watching practice Friday and walked off the field without any trouble and with only a very slight limp. He suffered the injury two weeks ago at Miami and missed last week's game against New England.
"He is walking well, he's coming along faster than we anticipated," coach Dick Jauron said. "We'll just see week to week now."
Bills cornerback Jerametrius Butler remains questionable due to a sore calf, and he did not practice for a second straight day.
Butler's status affects the Bills' defense in obvious passing situations. The Bills could replace him with Ashton Youboty. However, Youboty has not worked much covering the slot receiver. Another option would be to move safety Donte Whitner down onto the slot receiver and insert Jim Leonhard into the game as a third safety.
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The Jaguars have significant injuries of their own.
Starting middle linebacker Mike Peterson (broken hand) is out. The Jaguars will shift outside starter Daryl Smith to Peterson's middle position. Rookie Justin Durant, a second-round draft pick, will make his second start on the outside, in Smith's spot.
It looks like the Jaguars will be without Pro Bowl cornerback Rashean Mathis. He did not practice again Friday due to a groin injury. He is listed as questionable for Sunday's game.
No. 3 receiver Reggie Williams (back) was added to the Jaguars' injury list as questionable. He has 21 catches and five touchdowns. No. 4 receiver John Broussard is listed as doubtful. If Williams and Broussard can't play, former No. 1 draft pick Matt Jones would become the No. 3 receiver. Jacksonville's starting receivers are Ernest Wilford and Dennis Northcutt.
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The Bills have promoted cornerback Dustin Fox to the 53-man roster. Fox spent seven weeks on Buffalo's practice squad. Linebacker Leon Joe was released. Fox will wear No. 35.
Fox spent all last season with the Philadelphia Eagles. He spent two weeks on the team's active roster and the rest of the year on the practice squad. He saw action in one game, against the Carolina Panthers. Fox joined the NFL as a third-round selection, 80th overall, of the Minnesota Vikings in 2005. The Ohio State product missed his rookie season with a broken arm.
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Jaguars coach Jack Del Rio has the longest playing tenure in the NFL among active head coaches. Del Rio played 11 seasons, with New Orleans (1985-86), Kansas City (1987-88, Dallas (1989-91) and Minnesota (1992-95).
The other seven current coaches with NFL playing experience are: Kansas City's Herman Edwards (10 seasons), Denver's Gary Kubiak (nine seasons), Arizona's Ken Whisenhunt (nine seasons), Buffalo's Dick Jauron (eight seasons), Tennessee's Jeff Fisher (five seasons), the Colts' Tony Dungy (three seasons) and the Saints' Sean Payton (one season).
The Jaguars also have three former NCAA Division I-A head coaches on their staff. They are Mark Duffner (Maryland), Mike Shula (Alabama) and Dirk Koetter (Boise State and Arizona State).