Green Bay Packers wide receiver Jordy Nelson (87) celebrates a first quarter touchdown during Super Bowl XLV at Cowboys Stadium in Arlington, Texas on February 6, 2011. (Gary A. Vasquez/NFL)

Green Bay Packers quarterback Aaron Rodgers talks to the crowd during the "Return to Titletown" celebration Tuesday, Feb. 8, 2011, at Lambeau Field in Green Bay, Wis. The Packers defeated the Pittsburgh Steelers 31-25 in NFL football's Super Bowl XLV on Sunday. (AP Photo/Mike Roemer)

Green Bay Packers head coach Mike McCarthy, center, is dunked by T.J. Lang, right, and other teammates following their 31-25 win in the NFL Super Bowl XLV football game against the Pittsburgh Steelers Sunday, Feb. 6, 2011, in Arlington, Texas. (AP Photo/Lynne Sladky)

Green Bay Packers fans celebrate, Sunday, Feb. 6, 2011, at the Stadium View Bar near Lambeau Field in Green Bay, Wis., after the Packers won the Super Bowl XLV. The Packers defeated the Pittsburgh Steelers 31-25 for the NFL's football championship title. (AP Photo/Mike Roemer)

Green Bay Packers' Aaron Rodgers, left, and his teammate Jordy Nelson (87) celebrate after the Packers beat the Pittsburgh Steelers in the NFL football Super Bowl XLV game on Sunday, Feb. 6, 2011, in Arlington, Texas. The Packers won 31-25. (AP Photo/David J. Phillip)

Green Bay Packers wide receiver James Jones (89) celebrates winning Super Bowl XLV over the Pittsburgh Steelers 31-25 at Cowboys Stadium in Arlington, Texas on February 6, 2011. (Perry Knotts/NFL)

The Vince Lombardi Trophy is hoisted as the Green Bay Packers celebrate winning Super Bowl XLV over the Pittsburgh Steelers 31-25 at Cowboys Stadium in Arlington, Texas on February 6, 2011. (Gary A. Vasquez/NFL)

Green Bay Packers' Howard Green reacts after beating the Pittsburgh Steelers 31-25 in the NFL football Super Bowl XLV game Sunday, Feb. 6, 2011, in Arlington, Texas. (AP Photo/David J. Phillip)

Fans of the Green Bay Packers celebrate after the Packers beat the Pittsburgh Steelers 31-25 in the NFL Super Bowl XLV football game Sunday, Feb. 6, 2011, in Arlington, Texas. (AP Photo/Patrick Semansky)

Green Bay Packers quarterback Aaron Rodgers (12) linebacker Clay Matthews (52) celebrate winning Super Bowl XLV over the Pittsburgh Steelers 31-25 at Cowboys Stadium in Arlington, Texas on February 6, 2011. (Kevin Terrell/NFL)

Green Bay Packers fans react during the NFL Super Bowl XLV football game against the Pittsburgh Steelers Sunday, Feb. 6, 2011, in Arlington, Texas. The Packers won 31-25. (AP Photo/Charlie Riedel)

Green Bay Packers head coach Mike McCarthy holds the Vince Lombardi Trophy after the NFL Super Bowl XLV football game against the Pittsburgh Steelers Sunday, Feb. 6, 2011, in Arlington, Texas. The Packers won the game 31-25.(AP Photo/Mark Humphrey)

Green Bay Packers quarterback Aaron Rodgers (12) celebrates winning Super Bowl XLV over the Pittsburgh Steelers 31-25 at Cowboys Stadium in Arlington, Texas on February 6, 2011. (Gary A. Vasquez/NFL)

Pittsburgh Steelers' Hines Ward sits on the bench in the closing moments of the Steelers' 31-25 loss to the Green Bay Packers in the NFL Super Bowl XLV football game Sunday, Feb. 6, 2011, in Arlington, Texas. (AP Photo/Chris O'Meara)

Pittsburgh Steelers' Antwaan Randle El celebrates scoring a two-point conversion against the Green Bay Packers during the second half of the NFL Super Bowl XLV football game Sunday, Feb. 6, 2011, in Arlington, Texas. (AP Photo/Charlie Riedel)

Pittsburgh Steelers' James Harrison (92) pressures Green Bay Packers' Aaron Rodgers during the second half of the NFL football Super Bowl XLV game Sunday, Feb. 6, 2011, in Arlington, Texas. (AP Photo/Paul Sancya)

Pittsburgh Steelers' Mewelde Moore runs as Green Bay Packers' Pat Lee defends during the second half of the NFL Super Bowl XLV football game Sunday, Feb. 6, 2011, in Arlington, Texas. (AP Photo/Patrick Semansky)

Green Bay Packers running back James Starks (44) is tackled by Pittsburgh Steelers defensive end Brett Keisel (99) during Super Bowl XLV at Cowboys Stadium in Arlington, Texas on February 6, 2011. (Gary A. Vasquez/NFL)

Pittsburgh Steelers head coach Mike Tomlin during Super Bowl XLV at Cowboys Stadium in Arlington, Texas on February 6, 2011. (Kevin Terrell/NFL)

The Black Eyed Peas' Fergie performs with Slash during halftime of Super Bowl XLV at Cowboys Stadium in Arlington, Texas on February 6, 2011. (Kevin Terrell/NFL)

The Black Eyed Peas' Fergie performs with Slash during halftime of Super Bowl XLV at Cowboys Stadium in Arlington, Texas on February 6, 2011. (Gary A. Vasquez/NFL)

The Black Eyed Peas apl.de.ap, left, will.i.am, second from left, Fergie and Taboo, right, perform during halftime of NFL football Super Bowl XLV Sunday, Feb. 6, 2011, in Arlington, Texas. (AP Photo/Charlie Krupa)

Pittsburgh Steelers' Ben Roethlisberger (7) reacts after throwing a touchdown during the first half of the NFL Super Bowl XLV football game against Green Bay Packers Sunday, Feb. 6, 2011, in Arlington, Texas. (AP Photo/Mike Groll)

Green Bay Packers' Nick Collins (36) celebrates a touchdown with Clay Matthews during the first half of the NFL football Super Bowl XLV game against the Pittsburgh Steelers Sunday, Feb. 6, 2011, in Arlington, Texas. Green Bay won 31-25. (AP Photo/Patrick Semansky)

Feb 6, 2011; Arlington, TX, USA; Green Bay Packers players huddle before Super Bowl XLV against the Pittsburgh Steelers at Cowboys Stadium. Mandatory Credit: Kyle Terada-US PRESSWIRE

Green Bay Packers' Clay Matthews (52) tackles Pittsburgh Steelers' Rashard Mendenhall (34) and causes him to fumble during the second half of the NFL Super Bowl XLV football game Sunday, Feb. 6, 2011, in Arlington, Texas. (AP Photo/Kathy Willens)

Feb 6, 2011; Arlington, TX, USA; Pittsburgh Steelers safety Troy Polamalu (43) hits Green Bay Packers wide receiver Greg Jennings (85) into the endzone to score a touchdown during the first half of Super Bowl XLV at Cowboys Stadium. Mandatory Credit: Mark J. Rebilas-US PRESSWIRE

Feb 6, 2011; Arlington, TX, USA; Green Bay Packers wide receiver Greg Jennings (85) celebrates after he scored a touchdown during the first half of Super Bowl XLV against the Pittsburgh Steelers at Cowboys Stadium. Mandatory Credit: Mark J. Rebilas-US PRESSWIRE

Pittsburgh Steelers' Mike Wallace (17) is tackled by Green Bay Packers' Nick Collins (36) during the first half of the NFL Super Bowl XLV football game Sunday, Feb. 6, 2011, in Arlington, Texas. (AP Photo/Marcio Jose Sanchez)

Green Bay Packers' Jordy Nelson, left, catches a touchdown pass in front of Pittsburgh Steelers' William Gay (22) during the first quarter of the NFL football Super Bowl XLV game Sunday, Feb. 6, 2011, in Arlington, Texas. (AP Photo/Eric Gay)

Green Bay Packers' Nick Collins dives into the end zone for a touchdown after he intercepted a pass during the first half of NFL Super Bowl XLV football game against the Pittsburgh Steelers Sunday, Feb. 6, 2011, in Arlington, Texas. (AP Photo/Lynne Sladky)

Green Bay Packers' Jordy Nelson catches the ball for a touch down against Pittsburgh Steelers' William Gay in the first half of the NFL Super Bowl XLV football game Sunday, Feb. 6, 2011, in Arlington, Texas. (AP Photo/Patrick Semansky)

Green Bay Packers' Aaron Rodgers, center, and his teammate Jordy Nelson, left, celebrate after Nelson scored a touchdown during the first half of the NFL football Super Bowl XLV game with the Pittsburgh Steelers on Sunday, Feb. 6, 2011, in Arlington, Texas. (AP Photo/Paul Sancya)

Pittsburgh Steelers wide receiver Emmanuel Sanders (88) runs on to the field before the start Super Bowl XLV at Cowboys Stadium in Arlington, Texas on February 6, 2011. (Gary A. Vasquez/NFL)

Pittsburgh Steelers' Nick Eason (93), Lawrence Timmons (94) and Stevenson Sylvester (55) react before the NFL football Super Bowl XLV game against the Green Bay Packers Sunday, Feb. 6, 2011, in Arlington, Texas. (AP Photo/Matt Slocum)

Green Bay Packers players run onto the field before the NFL football Super Bowl XLV game against the Pittsburgh Steelers Sunday, Feb. 6, 2011, in Arlington, Texas. (AP Photo/Paul Sancya)

Fans react as the Pittsburgh Steelers take the field before the NFL Super Bowl XLV football game against the Green Bay Packers Sunday, Feb. 6, 2011, in Arlington, Texas. (AP Photo/Patrick Semansky)

Pittsburgh Steelers' Isaac Redman (33) and Rashard Mendenhall (34) walk on the field before the NFL Super Bowl XLV football game between the Green Bay Packers and the Pittsburgh Steelers Sunday, Feb. 6, 2011, in Arlington, Texas. (AP Photo/David J. Phillip)

Green Bay Packers' Aaron Rodgers kisses a football before the NFL football Super Bowl XLV game against the Pittsburgh Steelers Sunday, Feb. 6, 2011, in Arlington, Texas. (AP Photo/Matt Slocum)

Nathan Walker cheers outside Cowboys Stadium before the NFL Super Bowl XLV football game between the Green Bay Packers and the Pittsburgh Steelers Sunday, Feb. 6, 2011, in Arlington, Texas. (AP Photo/David J. Phillip)

Marshall Faulk takes the stage after being named into the NFL Hall of Fame Class of 2011 at the Super Bowl XLV media center in Dallas, TX on February 5, 2011. (Mark J. Rebilas/US Presswire)

Marshall Faulk speaks during the Hall of Fame announcement at the Super Bowl XLV media center in the Dallas Sheraton in Dallas, Texas on February 4, 2011. (Gary A. Vasquez/NFL)

A Green Bay Packer fan poses in front of theSuper Bowl XLV display outside the NFL Experience at the Dallas Convention Center in downtown Dallas, Texas on February 4, 2011. (Perry Knots/NFL)

The sun sets as a view of Cowboys Stadium is shown, Friday, Feb. 4, 2011, in Arlington, Texas. The Pittsburgh Steelers will play the Green Bay Packers in the NFL's premier football game, Super Bowl XLV on Sunday. (AP Photo/Tony Gutierrez)

A fan takes a photograph of the Super Bowl championship rings on display at the NFL Experience Saturday, Jan. 29, 2011 in Dallas. The Pittsburgh Steelers will play the Green Bay Packers in Super Bowl XLV at Cowboys Stadium Sunday, Feb. 6, 2011. (AP Photo/David J. Phillip)

An NFL fan tries out a tackling exercise at the NFL Experience for Super Bowl XLV at the Dallas Convention Center on February 3, 2011 in Dallas, TX. (Matthew Emmons/US Presswire)

Arizona Cardinals wide receiver Larry Fitzgerald is interviewed on radio row at the Super Bowl XLV media center in the Dallas Sheraton in Dallas, Texas on February 3, 2011. (Perry Knotts/NFL)

Actor Hugh Jackman and former boxer Sugar Ray Leonard are interviewed radio row at the Super Bowl XLV media center in the Dallas Sheraton in Dallas, Texas on February 4, 2011. (Gary A. Vasquez/NFL)

New Orleans Saints quarterback Drew Brees is interviewed on radio row at the Super Bowl XLV media center in the Dallas Sheraton in Dallas, Texas on February 3, 2011. (Gary A. Vasquez/NFL)

General view of the Downtown Dallas skyline on February 4, 2011. The Dallas-Fort Worth region has experienced snow and cold weather during the week. (Gary A. Vasquez/NFL)

Members of the Green Bay Packers prepare to take their team photo, Friday, Feb. 4, 2011, in Dallas. Green Bay will face the Pittsburgh Steelers in the NFL football Super Bowl XLV Sunday. (AP Photo/Eric Gay)

NFL Commissioner Roger Goodell is interviewed by NFL Network host Rich Eisen after a press conference at the Super Bowl XLV media center in the Dallas Sheraton in Dallas, Texas on February 4, 2011. (Gary A. Vasquez/NFL)

(L to R) New England Patriots offensive linemen Dan Koppen, Dan Connolly, and Mark LeVoir after accepting the Prilosec Madden Most Valuable Protectors award at the Super Bowl XLV media center in the Dallas Sheraton in Dallas, Texas on February 3, 2011. (Gary A. Vasquez/NFL)

Derrick Brooks (center) and teammates Darren Woodson (left) and Susie Castillo (right) react after scoring a touchdown in the Tazon Latino V flag football game at the NFL Experience for Super Bowl XLV at the Dallas Convention Center on February 2, 2011 in Dallas, TX. (Kirby Lee/US Presswire)

General view of the Super Bowl XLV logo and the downtown Dallas skyline at the NFL Experience at the Dallas Convention Center on February 2, 2011 in Dallas, TX. (Kirby Lee/US Presswire)

A girl wears a Green Bay Packers cheesehead at the Super Bowl XLV store at the NFL Experience at the Dallas Convention Center on February 2, 2011 in Dallas, TX. (Kirby Lee/US Presswire)

Fergie and Apl.de.ap of the Black Eyed Peas speak during the Super Bowl Halftime Show press conference at the Super Bowl XLV media center in the Dallas Sheraton in Dallas, Texas on February 3, 2011. (Kevin Terrell/NFL)

The Black Eyed Peas speak during the Super Bowl Halftime Show press conference at the Super Bowl XLV media center in the Dallas Sheraton in Dallas, Texas on February 3, 2011. (Kevin Terrell/NFL)

Pittsburgh Steelers Hall of Fame safety Jack Ham, right, attends a Steelers pep rally, Thursday, Feb. 3, 2011, in downtown Pittsburgh. (AP Photo/Gene J. Puskar)

A Pittsburgh Steelers fan attends a rally in Market Square in downtown Pittsburgh, Thursday, Feb. 3, 2011. The Steelers face the Green Bay Packers in Super Bowl XLV on Sunday, in Arlington, Texas. (AP Photo/Gene J. Puskar)

Pittsburgh Steelers football fans Denise Scriva, left, of Rochester, Pa., and Rommel Dacanan of Beaver, Pa., participate in an attempt to set a new record for High Fives during a rally in Market Square in Pittsburgh, Thursday, Feb. 3, 2011. The Steelers face the Green Bay Packers in Super Bowl XLV on Sunday, in Arlington, Texas. (AP Photo/Gene J. Puskar)

Green Bay Packers' Matt Wilhelm runs through drills during practice, Thursday, Feb. 3, 2011, in Dallas. Green Bay will face the Pittsburgh Steelers in the NFL football Super Bowl XLV Sunday. (AP Photo/Eric Gay)

Model Marisa Miller during a webchat on radio row at the Super Bowl XLV media center in the Dallas Sheraton in Dallas, Texas on February 2, 2011. (Gary A. Vasquez/NFL)

St. Louis Rams quarterback Sam Bradford conducts an interview on radio row at the Super Bowl XLV media center in the Dallas Sheraton in Dallas, Texas on February 2, 2011. (Gary A. Vasquez/NFL)

An exterior view of Cowboys Stadium with signage prior to Super Bowl XLV in Arlington, Texas. The Pittsburgh Steelers will play against the Green Bay Packers on February 6, 2011. (Gary A. Vasquez/NFL)

Green Bay Packers' Donald Driver, center, talks with media, Wednesday, Feb. 2, 2011 in Irving, Texas. Green Bay will face the Pittsburgh Steelers in the NFL football Super Bowl XLV Sunday. (AP Photo/Eric Gay)

In a photo taken with a fisheye lens and seen through a window, ice covers a walkway to Cowboys Stadium the site of the NFL football Super Bowl XLV game between the Green Bay Packers and the Pittsburgh Steelers Wednesday, Feb. 2, 2011, in Arlington, Texas. (AP Photo/Charlie Riedel)

Green Bay Packers' Clay Matthews (52) stretches with teammats during practice, Wednesday, Feb. 2, 2011 in Dallas. Green Bay will face the Pittsburgh Steelers in the NFL football Super Bowl XLV Sunday. (AP Photo/Eric Gay)

Pittsburgh Steelers' Brett Keisel wears a wig during media day for NFL football Super Bowl XLV, Tuesday, Feb. 1, 2011, in Arlington, Texas. (AP Photo/Eric Gay)

Pittsburgh Steelers quarterback Ben Roethlisberger speaks during Media Day at Cowboys Stadium in Arlington, Texas on February 1, 2011. (Gary A. Vasquez/NFL)

Green Bay Packers quarterback Aaron Rodgers speaks during Media Day at Cowboys Stadium in Arlington, Texas on February 1, 2011. (Gary A. Vasquez/NFL)