Snow falls into the field from a hole in the collapsed roof of the Metrodome in Minneapolis Sunday, Dec. 12, 2010. The inflatable roof of the Metrodome collapsed Sunday after a snowstorm that dumped 17 inches (43 cms) on Minneapolis. No one was hurt, but the roof failure sent the NFL scrambling to find a new venue for the Vikings' game against the New York Giants. (AP Photo/Ann Heisenfelt)
New Orleans Saints wide receiver Courtney Roby is placed on a stretched after injuring himself during a play against the St. Louis Rams in the first half of an NFL football game at the Louisiana Superdome in New Orleans, Sunday, Dec. 12, 2010. (AP Photo/Gerald Herbert)
New Orleans Saints wide receiver Courtney Roby is attended to by medics after getting injured on a kickoff return against the St. Louis Rams in the first half of an NFL football game at the Louisiana Superdome in New Orleans, Sunday, Dec. 12, 2010. (AP Photo/Gerald Herbert)
Washington Redskins head coach Mike Shanahan walks off the field after an NFL football game against the Tampa Bay Buccaneers in Landover, Md., Sunday, Dec. 12, 2010. Tampa Bay defeated Redskins 17-16. (AP Photo/Evan Vucci)
Ryan Johnson, center, of Windsor, Ontario, Canada and unidentified fans, cheer after getting their free tickets for the Minnesota Vikings' Monday night football game against the New York Giants at Ford Field in Detroit on Monday Dec. 13, 2010. The Minnesota Vikings' home game against the New York Giants was moved to Monday at Ford Field in Detroit after the Metrodome's inflated roof collapsed under the weight of heavy snow a day earlier. By 8 a.m. local time, the line had snaked around the side of the NFL stadium. (AP Photo/The Detroit News, David Coates) NO SALES
Washington Redskins place kicker Graham Gano, bottom, is tackled by Tampa Bay Buccaneers cornerback E.J. Biggers after Gano's extra point kick is botched during the second half of an NFL football game in Landover, Md., Sunday, Dec. 12, 2010. Tampa Bay won 17-16. (AP Photo/Evan Vucci)
Tampa Bay Buccaneers quarterback Josh Freeman (5) is stopped by Washington Redskins linebacker Lorenzo Alexander, bottom left, and defensive end Kedric Golston, top right, during the first half of an NFL football game in Landover, Md., Sunday, Dec. 12, 2010. (AP Photo/Nick Wass)
Tampa Bay Buccaneers quarterback Josh Freeman pushes Washington Redskins defensive end Vonnie Holliday (91) out of the way as he looks for an opening to throw during the first half of an NFL football game in Landover, Md., Sunday, Dec. 12, 2010. (AP Photo/Evan Vucci)
Washington Redskins quarterback Donovan McNabb (5) is sacked by Tampa Bay Buccaneers linebacker Quincy Black (58) and Michael Bennett, rear, during the first half of an NFL football game in Landover, Md., Sunday, Dec. 12, 2010. (AP Photo/Rob Carr)
