Dallas Cowboys wide receiver Laurent Robinson, left, and wide receiver Jesse Holley (16) celebrate Robinson's touchdown as wide receiver Dez Bryant (88) heads back to the bench in the first half of an NFL football game against the Miami Dolphins, Thursday, Nov. 24, 2011, in Arlington, Texas. (AP Photo/Sharon Ellman)

Detroit Lions cornerback Eric Wright (21) breaks up a pass intended fort Green Bay Packers wide receiver James Jones (89) in the second quarter of an NFL football game on Thursday, Nov. 24, 2011, in Detroit. (AP Photo/Paul Sancya)

Pit Bull, left, and Enrique Iglesias perform in the halftime show of an NFL football game between the Miami Dolphins and Dallas Cowboys, Thursday, Nov. 24, 2011, in Arlington, Texas. (AP Photo/Sharon Ellman)

Singer Enrique Iglesias performs during the half time show of an NFL football game between the Miami Dolphins and Dallas Cowboys Thursday, Nov. 24, 2011, in Arlington, Texas. (AP Photo/Sharon Ellman)

Pit Bull, left, and Enrique Iglesias perform in the halftime show of an NFL football game between the Miami Dolphins and Dallas Cowboys, Thursday, Nov. 24, 2011, in Arlington, Texas. (AP Photo/Sharon Ellman)

Nov 24, 2011; Arlington, TX, USA; Recording artist Enrique Iglesias performs at halftime for the game with the Dallas Cowboys playing against the Miami Dolphins on Thanksgiving day at Cowboys Stadium. Mandatory Credit: Matthew Emmons-US PRESSWIRE

Green Bay Packers cornerback Tramon Williams (38) nearly intercepts a pass intended for Detroit Lions wide receiver Calvin Johnson (81) during the first half of the Thanksgiving NFL game at Ford Field. (Todd Rosenberg/NFL)

Green Bay Packers quarterback Aaron Rodgers (12) celebrates during the Packers 27-15 victory agains the Detroit Lions during the Thanksgiving Day game at Ford Field, in Detroit MI on November 24, 2011. (Todd Rosenberg/NFL)

November 24, 2011; Detroit, MI, USA; Nickelback recording artist Chad Kroeger performs during halftime of the Thanksgiving game between the Detroit Lions and the Green Bay Packers at Ford Field. Mandatory Credit: Andrew Weber-US PRESSWIRE

Miami Dolphins cornerback Vontae Davis, right, intercepts a pass from Dallas Cowboys quarterback Tony Romo intended for tight end Martellus Bennett (80) in the first quarter of an NFL football game, Thursday, Nov. 24, 2011, in Arlington, Texas. (AP Photo/Matt Strasen)

November 24, 2011; Detroit, MI, USA; A general view as rock band Nickelback performs during halftime of the Thanksgiving game between the Detroit Lions and the Green Bay Packers at Ford Field. Mandatory Credit: Andrew Weber-US PRESSWIRE

Nov 24, 2011; Detroit, MI, USA; General view of a Sesame Street float during the Detroit Thanksgiving Day Parade prior to the game between the Green Bay Packers and Detroit Lions at Ford Field. Mandatory Credit: Andrew Weber-US PRESSWIRE

November 24, 2011; Detroit, MI, USA; Nickelback recording artist Chad Kroeger performs during halftime of the Thanksgiving game between the Detroit Lions and the Green Bay Packers at Ford Field. Mandatory Credit: Andrew Weber-US PRESSWIRE

November 24, 2011; Detroit, MI, USA; Nickelback recording artist Chad Kroeger performs during halftime of the Thanksgiving game between the Detroit Lions and the Green Bay Packers at Ford Field. Mandatory Credit: Andrew Weber-US PRESSWIRE

Nov 24, 2011; Arlington, TX, USA; Recording artist Enrique Iglesias and Pitbull perform at halftime for the game with the Dallas Cowboys playing against the Miami Dolphins on Thanksgiving day at Cowboys Stadium. Mandatory Credit: Matthew Emmons-US PRESSWIRE

Detroit Lions tight end Brandon Pettigrew (87) runs the ball during the first half of the Thanksgiving NFL game against the Green Bay Packers at Ford Field. (Todd Rosenberg/NFL)

Nov 24, 2011; Arlington, TX, USA; Recording artist Pitbull performs at halftime for the game with the Dallas Cowboys playing against the Miami Dolphins on Thanksgiving day at Cowboys Stadium. Mandatory Credit: Matthew Emmons-US PRESSWIRE

Nov 24, 2011; Arlington, TX, USA; Recording artist Enrique Iglesias and Pitbull perform at halftime for the game with the Dallas Cowboys playing against the Miami Dolphins on Thanksgiving day at Cowboys Stadium. Mandatory Credit: Matthew Emmons-US PRESSWIRE

Green Bay Packers linebacker Clay Matthews (52) intercepts a pass during the first quarter of the Thanksgiving NFL game against the Detroit Lions at Ford Field. (Todd Rosenberg/NFL)

Nov 24, 2011; Detroit, MI, USA; General view of a Sesame Street float during the Detroit Thanksgiving Day Parade prior to the game between the Green Bay Packers and Detroit Lions at Ford Field. Mandatory Credit: Andrew Weber-US PRESSWIRE

Nov 24, 2011; Detroit, MI, USA; Detroit Lions defensive tackle Ndamukong Suh (90) walks to the field prior to the Thanksgiving game against the Green Bay Packers at Ford Field. Mandatory Credit: Andrew Weber-US PRESSWIRE

Green Bay Packers wide receiver James Jones (89) is defended during the first quarter of the Thanksgiving NFL game against the Detroit Lions at Ford Field. (Todd Rosenberg/NFL)

Detroit Lions fan Matthew Spring yells at the Green Bay Packers as they leave the field before the first quarter of an NFL football game in Detroit, Thursday, Nov. 24, 2011. (AP Photo/Carlos Osorio)

Nov 24, 2011; Arlington, TX, USA; Miami Dolphins cornerback Vontae Davis (21) intercepts a pass intented for Dallas Cowboys tight end Martellus Bennett (80) on Thanksgiving day at Cowboys Stadium. Mandatory Credit: Matthew Emmons-US PRESSWIRE

Nov 24, 2011; Arlington, TX, USA; Dallas Cowboys running back DeMarco Murray (29) runs with the ball against the Miami Dolphins on Thanksgiving day at Cowboys Stadium. Mandatory Credit: Matthew Emmons-US PRESSWIRE

Miami Dolphins cornerback Sean Smith (24) runs upfield after intercepting a pass from Dallas Cowboys quarterback Tony Romo (9) intended for wide receiver Laurent Robinson (81) in the first half of an NFL football game, Thursday, Nov. 24, 2011, in Arlington, Texas. (AP Photo/Sharon Ellman)

Dallas Cowboys running back DeMarco Murray (29) is caught from behind after a short gain by Miami Dolphins outside linebacker Cameron Wake (91) in the first quarter of an NFL football game, Thursday, Nov. 24, 2011, in Arlington, Texas. (AP Photo/Sharon Ellman)

Miami Dolphins strong safety Yeremiah Bell, left, and cornerback Sean Smith (24) help to bring down Dallas Cowboys running back DeMarco Murray (29) on a short run in the first half of an NFL football game, Thursday, Nov. 24, 2011, in Arlington, Texas. (AP Photo/Matt Strasen)

Miami Dolphins tight end Anthony Fasano (80) fights for yardage as Dallas Cowboys defensive back Frank Walker (25) chases him down in the first half of an NFL football game, Thursday, Nov. 24, 2011, in Arlington, Texas. (AP Photo/Sharon Ellman)

Dallas Cowboys running back DeMarco Murray (29) fights off a tackle attempt by Miami Dolphins outside linebacker Cameron Wake (91) in the first half of an NFL football game, Thursday, Nov. 24, 2011, in Arlington, Texas. (AP Photo/Matt Strasen)

Nov 24, 2011; Arlington, TX, USA; Dallas Cowboys fan cheers on his team during the game against the Miami Dolphins on Thanksgiving day at Cowboys Stadium. Mandatory Credit: Matthew Emmons-US PRESSWIRE

November 24, 2011; Baltimore, MD, USA; Baltimore Ravens fan Lisa Phillips cooks a turkey prior to the Thanksgiving game against the San Francisco 49ers at M&T Bank Stadium. Mandatory Credit: Evan Habeeb-US PRESSWIRE

Dallas Cowboys wide receiver Laurent Robinson (81) comes down with a touchdown reception against Miami Dolphins' Sean Smith in the second half of an NFL football game, Thursday, Nov. 24, 2011, in Arlington, Texas. (AP Photo/Sharon Ellman)

Baltimore Ravens head coach John Harbaugh, left, and his brother, San Francisco 49ers head coach Jim Harbaugh, talk with their father, Jack, before their NFL football game in Baltimore on Thursday, Nov. 24, 2011. (AP Photo/Patrick Semansky)

Dallas Cowboys quarterback Tony Romo (9) and kicker Dan Bailey (5) celebrate Bailey's game-winning field goal as Miami Dolphins cornerback Jimmy Wilson (27), Will Allen (25) and Nolan Carroll (28) look on during an NFL football game, Thursday, Nov. 24, 2011, in Arlington, Texas. The Cowboys won 20-19. (AP Photo/Matt Strasen)

San Francisco 49ers head coach Jim Harbaugh and Baltimore Ravens head coach John Harbaugh prior to an NFL football game at M&T Bank Stadium in Baltimore, Thursday, Nov. 24, 2011. (Ben Liebenberg/NFL)

San Francisco 49ers head coach Jim Harbaugh and Baltimore Ravens head coach John Harbaugh prior to an NFL football game at M&T Bank Stadium in Baltimore, Thursday, Nov. 24, 2011. (Ben Liebenberg/NFL)

San Francisco 49ers defenders close in to tackle Baltimore Ravens running back Ray Rice, center, during the first half of an NFL football game in Baltimore on Thursday, Nov. 24, 2011. (AP Photo/Nick Wass)

November 24, 2011; Baltimore, MD, USA; Baltimore Ravens running back Ray Rice (27) in the first quarter against the San Francisco 49ers on Thanksgiving at M&T Bank Stadium. Mandatory Credit: Mitch Stringer-US PRESSWIRE

San Francisco 49ers quarterback Alex Smith, center, is tackled by Baltimore Ravens defenders Paul Kruger, left, and Pernell McPhee , right, during the first half of an NFL football game in Baltimore on Thursday, Nov. 24, 2011. (AP Photo/Gail Burton)

November 24, 2011; Baltimore, MD, USA; San Francisco 49ers quarterback Alex Smith (11) is tackled by Baltimore Ravens linebacker Brendan Ayanbadejo (51) on Thanksgiving at M&T Bank Stadium. Mandatory Credit: Evan Habeeb-US PRESSWIRE

November 24, 2011; Baltimore, MD, USA; Baltimore Ravens linebacker Terrell Suggs (55) celebrates after a sack during the game against the San Francisco 49ers on Thanksgiving at M&T Bank Stadium. Mandatory Credit: Mitch Stringer-US PRESSWIRE

Baltimore Ravens head coach John Harbaugh,foreground, hugs his brother, San Francisco 49ers head coach Jim Harbaugh, after their NFL football game in Baltimore on Thursday, Nov. 24, 2011. Baltimore won 16-6. (AP Photo/Patrick Semansky)

November 24, 2011; Baltimore, MD, USA; Baltimore Ravens quarterback Joe Flacco (5) gets hit by San Francisco 49ers linebacker Ahmad Brooks (55) on Thanksgiving at M&T Bank Stadium. Mandatory Credit: Evan Habeeb-US PRESSWIRE

November 24, 2011; Baltimore, MD, USA; San Francisco 49ers wide receiver Ted Ginn Jr. (19) catches a pass in front of Baltimore Ravens cornerback Cary Williams (29) on Thanksgiving at M&T Bank Stadium. Mandatory Credit: Evan Habeeb-US PRESSWIRE

Baltimore Ravens cornerback Cary Williams, background, defends San Francisco 49ers wide receiver Ted Ginn as Ginn leaps for a catch in the first half of an NFL football game in Baltimore, Thursday, Nov. 24, 2011. (AP Photo/Gail Burton)

November 24, 2011; Baltimore, MD, USA; Baltimore Ravens running back Ray Rice (27) is tackled by San Francisco 49ers safety Donte Whitner (31) on Thanksgiving at M&T Bank Stadium. Mandatory Credit: Mitch Stringer-US PRESSWIRE

San Francisco 49ers quarterback Alex Smith (11) tries to escape the grasp of Baltimore Ravens defensive end Haloti Ngata in the first half of an NFL football game in Baltimore, Thursday, Nov. 24, 2011. (AP Photo/Nick Wass)

Baltimore Ravens outside linebacker Terrell Suggs celebrates after the Ravens forced the San Francisco 49ers to punt on fourth down during the first half of an NFL football game in Baltimore on Thursday, Nov. 24, 2011. (AP Photo/Nick Wass)

San Francisco 49ers wide receiver Michael Crabtree, center, tries to outrun Baltimore Ravens defenders Pernell McPhee, left, and Brendon Ayanbadejo in the first half of an NFL football game in Baltimore on Thursday, Nov. 24, 2011. (AP Photo/Gail Burton)