
Indianapolis Colts coach Jim Caldwell looks on during the first half of an NFL football game against the Atlanta Falcons on Sunday, Nov. 6, 2011, in Indianapolis. (AP Photo/Michael Conroy)

Indianapolis Colts coach Jim Caldwell looks on during the first half of an NFL football game against the Atlanta Falcons on Sunday, Nov. 6, 2011, in Indianapolis. (AP Photo/Michael Conroy)

Detroit Lions quarterback Matthew Stafford suffered a right-ankle injury against the Atlanta Falcons last Sunday. He was limited in practice Wednesday, but seems to be improving each day. (AP Photo/The Detroit News, Daniel Mears)

Atlanta Falcons wide receiver Roddy White (84) makes the catch for a touchdown during the first half of an NFL football game against the Green Bay Packers, Sunday, Oct. 9, 2011, in Atlanta. (AP Photo/Pouya Dianat)

NFL commissioner Roger Goodell speaks with Atlanta Falcons owner Arthur Blank during an NFL owners labor committee meeting in College Park, Ga., on Thursday. (AP Photo/John Bazemore)

Green Bay Packers quarterback Aaron Rodgers (12) scrambles past Atlanta Falcons linebacker Curtis Lofton (50) on a 7-yard touchdown run during the second half of an NFL divisional playoff football game on Saturday, Jan. 15, 2011, in Atlanta. (AP Photo/Dave Martin)

Atlanta Falcons punt returner Eric Weems (14) outruns the Carolina Panthers defense on a first quarter touchdown return during an NFL football game at the Georgia Dome in Atlanta Sunday, Jan. 2, 2011. Defending for the Panthers is: Marcus Hudson (25) and Jordan Senn (57).AP Photo/John Amis)

Atlanta Falcons quarterback Matt Ryan (2) is sacked by New Orleans Saints defender Jimmy Wilkerson (99) in the second half of their NFL football game at the Georgia Dome in Atlanta Monday, Dec. 27, 2010. (AP Photo/David Goldman)

FILE - This Dec. 12, 2010, file photo shows Atlanta Falcons cornerback Dunta Robinson (23) during the first half of an NFL football game against the Carolina Panthers, in Charlotte, N.C. Robinson is still looking for his first interception in Atlanta eight months after signing a contract with $22 million in guarantees. (AP Photo/Rick Havner, File)