The NFL has picked two new co-chairmen for its committee on concussions.
Dr. Richard Ellenbogen of the University of Washington and Dr. Hunt Batjer of Northwestern University will lead the league’s head, neck and spine medical committee.
The Buffalo Bills signed linebacker Andra Davis to a two-year contract. Also, Bills coach Chan Gailey said the team’s starting quarterback position is up for grabs. … Fullback Tony Richardson and the New York Jets agreed to terms on a one-year deal. … Chicago signed cornerback Tim Jennings to a two-year contract and released fullback Jason McKie. … Kansas City signed guard Ryan Lilja. … St. Louis signed center Hank Fraley. … Atlanta released cornerback Tye Hill and signed safety Matt Giordano. … Cleveland re-signed tight end Greg Estandia and defensive back Ray Ventrone.