The Atlanta Falcons are looking at alternatives for slumping kicker Jason Elam .
The Falcons brought Steve Hauschka , Sam Swant, Shane Andrus and former Georgia standout Brandon Coutu to their practice facility for tryouts on Tuesday.
The 39-year-old Elam has made only 10 of 16 field goals this season and ranks 30th in the league with his 62.5 percent success rate.
BILLS: A person familiar with Buffalo's coaching search says two-time Super Bowl-winner Mike Shanahan is considered a legitimate candidate to take over the job.
The Bills have contacted Shanahan, the person familiar with the search told The Associated Press on Tuesday on condition of anonymity because the team is not commenting during its search process.
Shanahan has been out of football after being fired by the Broncos at the end of last season.
GIANTS: Running back Brandon Jacobs says his right leg feels "really good" and he should play against Denver on Thursday.
Jacobs missed the fourth quarter and overtime in the Giants' 34-31 win over the Atlanta Falcons on Sunday after he was tackled on a 5-yard run late in the third quarter.
- Running back Ahmad Bradshaw is wearing a protective boot on his sprained left ankle, and it's uncertain whether he'll make the trip for the team's game at Denver.
Former Georgia running back Danny Ware would see extended time if Bradshaw can't play.
COWBOYS: Tight end Jason Witten might miss Thursday's game against Oakland because of a sprained foot.
"I won't say it's severe, but it's something that worries us about him being able to play this week," Dallas coach Wade Phillips said.
BUCCANEERS: First-year coach Raheem Morris added defensive playcalling to his duties, demoting veteran defensive coordinator Jim Bates after a 38-7 loss to unbeaten NFC South rival New Orleans dropped the Bucs to 1-9.
- Byron Leftwich 's season is over after Tampa Bay put the backup quarterback on injured reserve with a sore right elbow.
CONCUSSIONS: Commissioner Roger Goodell sent a wide-ranging memo about concussions to NFL teams Tuesday, saying the co-chairmen of the league's committee on brain injuries have resigned and that he is examining potential rule changes "to reduce head impacts."
Goodell wrote that Dr. Ira Casson and Dr. David Viano , who have led the league committee on concussions since 2007, "have graciously offered to resign from those positions and to continue to assist the committee in its important work. We have accepted those resignations and are currently identifying their replacements."
Goodell said he wants to add new members "who will bring to the committee independent sources of expertise and experience in the field of head injuries."