Cleveland Browns running back Peyton Hillis (40) leaps over Atlanta Falcons cornerback Brent Grimes (20) during the first quarter of an NFL football game Sunday, Oct. 10, 2010, in Cleveland. (AP Photo/Amy Sancetta)

Tennessee Titans wide receiver Nate Washington, center, leaps into the end zone in the first half of their NFL football game against the Oakland Raiders at LP Field in Nashville, Tenn., Sunday, Sept. 12, 2010. (AP Photo/Frederick Breedon)

Tampa Bay Buccaneers cornerback E.J. Biggers (31) intercepts a fourth quarter pass intended for Cleveland Browns wide receiver Mohamed Massaquoi (11) during an NFL football game Sunday, Sept. 12, 2010, in Tampa, Fla. (AP Photo/Chris O'Meara)

Tampa Bay Buccaneers cornerback Elbert Mack (33) loses his helmet a hit by teammate Sean Jones (26) during an NFL football game against the Cleveland Browns Sunday, Sept. 12, 2010, in Tampa, Fla. (AP Photo/Chris O'Meara)

Oakland Raiders tight end Zach Miller (80) is upended by Tennessee Titans defender Michael Griffin (33) in the second half of their NFL football game at LP Field in Nashville, Tenn., Sunday, Sept. 12, 2010. (AP Photo/Wade Payne)

Indianapolis Colts' Austin Collie (17) is upended by Houston Texans defenders Kareem Jackson (25), below, and Eugene Wilson, behind, during the first quarter of an NFL football game Sunday, Sept. 12, 2010, in Houston. (AP Photo/David J. Phillip)

Arizona Cardinals wide receiver Larry Fitzgerald, left, can't quite reach a ball thrown in the end zone as St. Louis Rams cornerback Ronald Bartell defends during the fourth quarter of an NFL football game Sunday, Sept. 12, 2010, in St. Louis. Arizona won 17-13. (AP Photo/Jeff Roberson)

Arizona Cardinals quarterback Derek Anderson, left, is sacked for a 9-yard loss by St. Louis Rams defensive tackle Fred Robbins during the first quarter of an NFL football game Sunday, Sept. 12, 2010, in St. Louis. (AP Photo/Jeff Roberson)

Houston Texans' DeMeco Ryans (59) pulls down Indianapolis Colts' Austin Collie during the first quarter of an NFL football game Sunday, Sept. 12, 2010, in Houston. (AP Photo/Dave Einsel)

Jacksonville Jaguars cornerback Rashean Mathis (27) breaks up a pass to Denver Broncos wide receiver Jabar Gaffney (10) during the fourth quarter of a NFL football game against the Denver Bronco Sunday, Sept. 12, 2010 in Jacksonville, Fla. Jacksonville beat Denver 24-17. (AP Photo/Stephen Morton)

Miami Dolphins running back Ronnie Brown, top, leaps over the Buffalo Bills defense for a touchdown in the first half during an NFL football game in Orchard Park, N.Y. on Sunday, Sept. 12, 2010. Miami won 15-10.(AP Photo/Don Heupel)

Tampa Bay Buccaneers' Earnest Graham (34) leaps over the goal line for a touchdown as teammate Jerramy Stevens (86) blocks Carolina Panthers' Charles Godfrey (30) in the first quarter of an NFL football game in Charlotte, N.C., Sunday, Sept. 19, 2010. (AP Photo/Chuck Burton)

Tennessee Titans fullback Ahmard Hall (45) leaps over Pittsburgh Steelers linebacker Lawrence Timmons (94) in the first quarter of an NFL football game on Sunday, Sept. 19, 2010, in Nashville, Tenn. (AP Photo/Frederick Breedon)

Green Bay Packers linebacker Clay Matthews reacts after sacking Buffalo Bills quarterback Trent Edwards during the first half an NFL football game Sunday, Sept. 19, 2010, in Green Bay, Wis. (AP Photo/Jim Prisching)

Green Bay Packers running back Brandon Jackson reacts after a touchdown run during the first half of an NFL football game against the Buffalo Bills Sunday, Sept. 19, 2010, in Green Bay, Wis. (AP Photo/Morry Gash)

Philadelphia Eagles cornerback Asante Samuel (22) defends a pass to Detroit Lions wide receiver Calvin Johnson (81) that was ruled incomplete in the first half of an NFL football game in Detroit, Sunday, Sept. 19, 2010 (AP Photo/Rick Osentoski)

Washington Redskins running back Mike Sellers leaps over Houston Texans safety Bernard Pollard (31), safety Eugene Wilson (26) and defensive back Kareem Jackson (25) during the first half of an NFL football game in Landover, Md., on Sunday, Sept.. 19, 2010. (AP Photo/Evan Vucci)

New England Patriots wide receiver Randy Moss makes a one handed touchdown catch in the 2nd quater against the New York Jets in a week 2 NFL football game at the New Meadowlands Stadium in East Rutherford, New Jersey on Sunday September 19, 2010 (AP Photo/Evan Pinkus)

Washington Redskins running back Clinton Portis is stopped short of the goal line by Houston Texans linebacker DeMeco Ryans during the first half of an NFL football game in Landover, Md., on Sunday, Sept.. 19, 2010. Portis scored on the next play. (AP Photo/Nick Wass)

RETRANSMISSION FOR ALTERNATE CROP Pittsburgh Steelers linebacker Lawrence Timmons (94) stops Tennessee Titans tight end Bo Scaife (80) in the fourth quarter of an NFL football game on Sunday, Sept. 19, 2010, in Nashville, Tenn. Steelers linebacker James Harrison (92) looks on. The Steelers won 19-11. (AP Photo/Frederick Breedon)

Oakland Raiders cornerback Stanford Routt (26) intercepts a pass intended for St. Louis Rams wide receiver Laurent Robinson (19) in the fourth quarter of an NFL football game in Oakland, Calif., Sunday, Sept. 19, 2010. (AP Photo/Marcio Jose Sanchez)

Houston Texans wide receiver Andre Johnson celebrates a touchdown as Washington Redskins safety Reed Doughty reacts in the background during the second half an NFL football game in Landover, Md., on Sunday, Sept. 19, 2010. (AP Photo/Evan Vucci)

San Diego Chargers wide receiver Buster Davis (84) dives just short of the end zone while Jacksonville Jaguars cornerback Tyron Brackenridge (41) defends during the fourth quarter of their NFL football game Sunday, Sept. 19, 2010, in San Diego. (AP Photo/Chris Park)

New York Jets running back LaDainian Tomlinson (21) jumps over a pile of players for a first down during the fourth quarter of an NFL football game against the New England Patriots at New Meadowlands Stadium in East Rutherford, N.J., Sunday, Sept. 19, 2010. The Jets won 28-14. (AP Photo/Bill Kostroun)

Pittsburgh Steelers wide receiver Mike Wallace (17) and Tampa Bay Buccaneers cornerback Aqib Talib (25) battle for a pass from Steelers quarterback Charlie Batch during the second quarter of an NFL football game Sunday, Sept. 26, 2010, in Tampa, Fla. Wallace came down with the ball for a touchdown. (AP Photo/Margaret Bowles)

Kansas City Chiefs cornerback Brandon Flowers (24) intercepts a pass intended for San Francisco 49ers wide receiver Michael Crabtree (15) during the second quarter of an NFL football game Sunday, Sept. 26, 2010 in Kansas City, Mo. (AP Photo/Charlie Riedel)

Dallas Cowboys cornerback Mike Jenkins (21) in the third quarter of an NFL football game against the Houston Texans Sunday, Sept. 26, 2010, in Houston. (AP Photo/David J. Phillip)

Arizona Cardinals cornerback Dominique Rodgers-Cromartie breaks up a pass intended for Oakland Raiders wide receiver Darrius Heyward-Bey during the first quarter of an NFL football game Sunday, Sept. 26, 2010, in Glendale, Ariz. (AP Photo/Matt York)

St. Louis Rams linebacker James Laurinaitis celebrates after stopping Washington Redskins running back Clinton Portis for a three-yard loss during the first quarter of an NFL football game Sunday, Sept. 26, 2010, in St. Louis. (AP Photo/Jeff Roberson)

Carolina Panthers' DeAngelo Williams (34) is introduced before an NFL football game against the Cincinnati Bengals in Charlotte, N.C., Sunday, Sept. 26, 2010. (AP Photo/Chuck Burton)

Jacksonville Jaguars defensive tackle Terrance Knighton, right, sacks Philadelphia Eagles quarterback Michael Vick (7) during the first half of an NFL football game in Jacksonville, Fla., Sunday, Sept. 26, 2010. (AP Photo/John Raoux)

Buffalo Bills quarterback Ryan Fitzpatrick (14) throws a pass and gets hit by New England Patriots linebacker Gary Guyton (59) during the NFL regular season week 3 football game against the New England Patriots on September 26, 2010 in Foxborough, Massachusetts. The Patriots won the game 38-30. (AP Photo/Paul Spinelli)

Philadelphia Eagles quarterback Michael Vick (7) is lifted in the air by teammate Philadelphia Eagles offensive tackle Jason Peters (71) after throwing a touchdown pass in the second quarter during an NFL football game against the Jacksonville Jaguars in Jacksonville, Fla., Sunday, Sept. 26, 2010. (AP Photo/Stephen Morton)

Arizona Cardinals running back Beanie Wells (26) collides with Oakland Raiders cornerback Stanford Routt, left, during the third quarter of an NFL football game Sunday, Sept. 26, 2010, in Glendale, Ariz. (AP Photo/Matt York)

Jacksonville Jaguars cornerback Rashean Mathis (27) screams out during player introductions before an NFL football game against the Philadelphia Eagles in Jacksonville, Fla., Sunday, Sept. 26, 2010.(AP Photo/Phelan M. Ebenhack)

San Diego Chargers wide receiver Malcom Floyd is tackled by Oakland Raiders cornerback Stanford Routt in the first quarter of an NFL football game in Oakland, Calif., Sunday, Oct. 10, 2010. (AP Photo/Ben Margot)

San Diego Chargers wide receiver Malcom Floyd (80) catches a pass in front of Oakland Raiders cornerback Stanford Routt (26) in an NFL football game in Oakland, Calif., Sunday, Oct. 10, 2010. (AP Photo/Tony Avelar)

A New Orleans Saints fan, left, uses an Arizona Cardinals red towel to wipe his eye as a Cardinals fan taunts him late in the fourth quarter in an NFL football game Sunday, Oct. 10, 2010, in Glendale, Ariz. The Cardinals defeated the Saints 30-20. (AP Photo/Ross D. Franklin)

Green Bay Packers safety Charlie Peprah is dragged by Washington Redskins wide receiver Anthony Armstrong during the fourth quarter of an NFL football game in Landover, Md., Sunday, Oct. 10, 2010. The Washington Redskins defeated the Green Bay Packers 16-13. (AP Photo/Evan Vucci)

Houston Texans' Arian Foster (23) dives for a touchdown during the fourth quarter of an NFL football game against the Kansas City Chiefs Sunday, Oct. 17, 2010, in Houston. (AP Photo/Dave Einsel)

St. Louis Rams running back Steven Jackson is introduced before the start of an NFL football game between the San Diego Chargers and the St. Louis Rams Sunday, Oct. 17, 2010 in St. Louis. (AP Photo/Jeff Roberson)

San Diego Chargers wide receiver Patrick Crayton (12) is knoed out of bounds by St. Louis Rams safety James Butler (37) during the fourth quarter of an NFL football game Sunday, Oct. 17, 2010 in St. Louis. The Rams won 20-17. (AP Photo/Tom Gannam)

New York Jets wide receiver Santonio Holmes (10) catches a pass against Denver Broncos cornerback Perrish Cox (32) during the second half of an NFL football game Sunday, Oct. 17, 2010, in Denver. (AP Photo/Joe Mahoney)

Kansas City Chiefs running back Thomas Jones (20) dives over Jacksonville Jaguars defensive end Aaron Kampman, left, and defensive end Derrick Harvey (91) to score a touchdown during the second quarter of an NFL football game, Sunday, Oct. 24, 2010, in Kansas City, Mo. (AP Photo/Charlie Riedel)

Cleveland Browns running back Mike Bell, left, is tackled by New Orleans Saints defensive end Jeff Charleston as Browns wide receiver Josh Cribbs looks on during an NFL football game at the Louisiana Superdome in New Orleans, Sunday, Oct. 24, 2010. (AP Photo/Patrick Semansky)

Kansas City Chiefs running back Jackie Battle (26) leaps into the end zone over Jacksonville Jaguars defenders for a touchdown during the fourth quarter of an NFL football game, Sunday, Oct. 24, 2010, in Kansas City, Mo. The Chiefs won the game 42-20. (AP Photo/Charlie Riedel)

San Francisco 49ers WR Michael Crabtree makes a catch in the first half of an NFL football game in Charlotte, N.C., Sunday, Oct. 24, 2010. (AP Photo/Rick Havner)

New Orleans Saints defensive tackle Alex Brown (96) leaps to tackle Cleveland Browns wide receiver Chansi Stuckey (83) during the second half of an NFL football game at the Louisiana Superdome in New Orleans, Sunday, Oct. 24, 2010. The Browns won 30-7. (AP Photo/Bill Haber)

Seattle Seahawks Ben Obomanu before the NFL football game against the Arizona Cardinals, Sunday, Oct. 24, 2010, in Seattle. (AP Photo/Elaine Thompson)

San Francisco 49ers' Anthony Dixon, center, is tackled by Denver Broncos' Ronald Fields, right, during the NFL Football match between the Denver Broncos and San Francisco 49ers at Wembley Stadium in London, Sunday Oct. 31, 2010. (AP Photo/Alastair Grant)

Minnesota Vikings running back Toby Gerhart, left, and Minnesota Vikings cornerback Antoine Winfield, right, tackle New England Patriots wide receiver Brandon Tate in the first quarter of an NFL football game in Foxborough, Mass., Sunday, Oct. 31, 2010. (AP Photo/Michael Dwyer)

New England Patriots running back BenJarvus Green-Ellis is pushed out of bounds by Minnesota Vikings safety Madieu Williams (20) short of the end zone during the second half of New England's 28-18 win in an NFL football game in Foxborough, Mass., Sunday, Oct. 31, 2010. (AP Photo/Winslow Townson)

Arizona Cardinals running back Jason Wright (31) is stopped by a host of Tampa Bay Buccaneers during the fourth quarter of an NFL football game Sunday, Oct. 31, 2010, in Glendale, Ariz.(AP Photo/Matt York)

Cleveland Browns linebacker Scott Fujita (99) stops New England Patriots running back Danny Woodhead after a 6-yard run in the second quarter of abn in an NFL football game Sunday, Nov. 7, 2010, in Cleveland. (AP Photo/Tony Dejak)

Baltimore Ravens linebacker Ray Lewis (52) tries to pull Miami Dolphins running back Ronnie Brown, center, off of Baltimore Ravens safety Ed Reed after Reed's interception during the second half of an NFL football game in Baltimore, Sunday, Nov. 7, 2010. The Ravens defeated the Dolphins 26-10. (AP Photo/Nick Wass)

Chicago Bears' wide receiver Earl Bennett (80) reacts after his touchdown against the Buffalo Bills during the second half of an NFL football game at the Rogers Centre in Toronto, on Sunday, Nov. 7, 2010. Chicago won 22-19. (AP Photo/Mike Groll)

Baltimore Ravens running back Ray Rice reacts to the crowd during his introduction before an NFL football game against the Miami Dolphins in Baltimore, Sunday, Nov. 7, 2010. (AP Photo/Nick Wass)

Indianapolis Colts tight end Jacob Tamme, right, dives to score a touchdown as Philadelphia Eagles cornerback Joselio Hanson, center, and safety Quintin Mikell defend in the first half of an NFL football game, Sunday, Nov. 7, 2010 in Philadelphia. (AP Photo/Miles Kennedy)

Tampa Bay Buccaneers wide receiver Arrelious Benn (17) dives for the end zone to score a first-quarter touchdown after taking a hit from Carolina Panthers cornerback Richard Marshall (31) during an NFL football game Sunday, Nov. 14, 2010, in Tampa, Fla. (AP Photo/Margaret Bowles)

Buffalo Bills' nose tackle Kyle Williams (95) reacts after tackling a Detroit Lions running back during the first half of an NFL football game in Orchard Park, N.Y., on Sunday, Nov. 14, 2010. (AP Photo/Mike Groll)

Jacksonville Jaguars wide receiver Mike Thomas (80) is carried on his teammates shoulders after catching a 50-yard touchdown pass as time expired on the clock to defeat the Houston Texans 31-24 in an NFL football game in Jacksonville, Fla., Sunday, Nov. 14, 2010.(AP Photo/Reinhold Matay)

Dallas Cowboys wide receiver Dez Bryant (88) catches a pass for a touchdown as New York Giants cornerback Terrell Thomas (24) falls down on the play during the first quarter of an NFL football game at New Meadowlands Stadium on Sunday, Nov. 14, 2010, in East Rutherford, N.J. (AP Photo/Kathy Willens)

Dallas Cowboys tight end Jason Witten (82) breaks a tackle attempt by New York Giants safety Deon Grant (34) during the second quarter of an NFL football game Sunday, Nov. 14, 2010, in East Rutherford, N.J. The Cowboys won 33-20. (AP Photo/Kathy Willens)

Denver Broncos wide receiver Brandon Lloyd (84) goes over the top of Kansas City Chiefs cornerback Donald Washington (27) to catch a pass for a first down in the first quarter of an NFL football game on Sunday, Nov. 14, 2010, in Denver. Also defending on the play for the Chiefs is Brandon Carr (39). (AP Photo/ Ed Andrieski)

Dallas Cowboys wide receiver Dez Bryant (88) comes down with a touchdown reception as Detroit Lions cornerback Chris Houston (23) defends in the first half of an NFL football game Sunday, Nov. 21, 2010, in Arlington. (AP Photo/LM Otero)

Pittsburgh Steelers quarterback Ben Roethlisberger, top, dives into the end zone over Oakland Raiders' Trevor Scott for a second-quarter touchdown during an NFL football game in Pittsburgh, Sunday, Nov. 21, 2010. (AP Photo/Gene J. Puskar)

Pittsburgh Steelers head coach Mike Tomlin, right, talks with an official after Steelers quarterback Ben Roethlisberger was hit late by Oakland Raiders defensive end Richard Seymour after throwing a touchdown pass in the second quarter of an NFL football game, Sunday, Nov. 21, 2010, in Pittsburgh. Seymour was ejected from the game. (AP Photo/Keith Srakocic)

New York Jets' Santonio Holmes jumps into the stands after an NFL football game against the Houston Texans at New Meadowlands Stadium, Sunday, Nov. 21, 2010, in East Rutherford, N.J. The Jets won the game 30-27. (AP Photo/Seth Wenig)

New England Patriots quarterback Tom Brady celebrates a touchdown by running back Danny Woodhead against the Indianapolis Colts during the third quarter during an NFL football game in Foxborough, Mass., Sunday, Nov. 21, 2010. (AP Photo/Charles Krupa)

*RETRANSMISSION FOR ALTERNATE CROP * Buffalo Bills' Naaman Roosevelt (18) collides with Minnesota Vikings' Greg Camarillo (85) while trying to stop him on a punt-return during the second quarter of a football game in Minneapolis Sunday, Dec. 5, 2010. The Vikings defated the Bills 38-14. (AP Photo/Ann Heisenfelt)

Kansas City Chiefs cornerback Brandon Flowers (24) and safety Kendrick Lewis (23) break up a pass intended for Arizona Cardinals wide receiver Steve Breaston (15) during the second half of an NFL football game at Arrowhead Stadium in Kansas City, Mo., Sunday, Nov. 21, 2010. The Chiefs defeated the Cardinals 31-13. (AP Photo/Ed Zurga)

St. Louis Rams runningback Stephen Jackson, left, stiff-arms Arizona Cardinals cornerback Dominique Rodgers-Cromartie, right, while rushing with the ball during the second quarter of an NFL football game on Sunday, Dec. 5, 2010, in Glendale, Ariz. (AP Photo/Paul Connors)

Atlanta Falcons cornerback Brent Grimes (20) knocks the ball away from Tampa Bay Buccaneers wide receiver Mike Williams (19) during the second quarter of an NFL football game Sunday, Dec. 5, 2010, in Tampa, Fla. (AP Photo/Chris O'Meara)

Cincinnati Bengals wide receiver Jerome Simpson is pulled down by Baltimore Ravens cornerback Lardarius Webb during the first half of an NFL football game in Baltimore, Sunday, Jan. 2, 2011. (AP Photo/Nick Wass)

Cincinnati Bengals wide receiver Jerome Simpson (89) in action against the San Diego Chargers in the first half of an NFL football game, Sunday, Dec. 26, 2010, in Cincinnati. (AP Photo/Ed Reinke)

Tampa Bay Buccaneers tight end Kellen Winslow (82) dives over Seattle Seahawks cornerback Walter Thurmond (28) to score a third-quarter touchdown during an NFL football game Sunday, Dec. 26, 2010, in Tampa, Fla. (AP Photo/Brian Blanco)

Kansas City Chiefs quarterback Matt Cassel (7) throws while Chiefs offensive tackle Branden Albert (76) keeps Oakland Raiders defensive end Matt Shaughnessy (77) at bay during the first quarter of an NFL football game Sunday, Jan. 2, 2011, in Kansas City, Mo. (AP Photo/Charlie Riedel)

Philadelphia Eagles' Keenan Clayton waits in the tunnel before an NFL football game against the Dallas Cowboys, Sunday, Jan. 2, 2011, in Philadelphia. (AP Photo/Matt Slocum)

Seattle Seahawks' Marshawn Lynch (24) breaks away to score a touchdown as quarterback Matt Hasselbeck celebrates in the background during the second half of an NFL NFC wild card playoff football game, Saturday, Jan. 8, 2011, in Seattle against the New Orleans Saints. The Seahawks won 41-36. Lynch finished with 131 yards on 19 carries, the first Seattle back to top 100 yards all season. (AP Photo/Ted S. Warren)

Pittsburgh Steelers wide receiver Antonio Brown (84) beats Baltimore Ravens cornerback Lardarius Webb on a long pass during the second half of an NFL divisional football game in Pittsburgh, Saturday, Jan. 15, 2011. The play set up Rashard Mendenhall's touchdown to give the Steelers the 31-24 win. (AP Photo/Matt Slocum)

Green Bay Packers linebacker Erik Walden (93) celebrates on the field after the NFC Championship NFL football game against the Chicago Bears Sunday, Jan. 23, 2011, in Chicago. The Packers won 21-14. (AP Photo/David J. Phillip)

Green Bay Packers linebacker Clay Matthews (52) long hair is flying as he squirts water into it during an NFC Division Playoff game against the Atlanta Falcons, Saturday, Jan. 15, 2011 in Atlanta. The Packers won the game, 48-21. (AP Photo/Greg Trott)

New York Jets wide receiver Santonio Holmes makes a touchdown catch in front of New England Patriots cornerback Kyle Arrington during the second half of an NFL divisional football playoff game in Foxborough, Mass., Sunday, Jan. 16, 2011. (AP Photo/Winslow Townson)

New York Jets cornerback Antonio Cromartie (31) tackles Pittsburgh Steelers running back Mewelde Moore (21) after a pass reception during the second half of the AFC Championship NFL football game in Pittsburgh, Sunday, Jan. 23, 2011. (AP Photo/Matt Slocum)

Jan 16, 2011; Chicago, IL, USA; Chicago Bears running back Matt Forte (22) is up ended as he is stopped short of the goal line during the first quarter of the 2011 NFC divisional playoff game against the Seattle Seahawks at Soldier Field. Mandatory Credit: Jerry Lai-US PRESSWIRE

Green Bay Packers receiver Andrew Quarless tries to catch a pass against the New York Jets at New Meadowlands Stadium in East Rutherford, N.J., Sunday, Oct. 31, 2010.

Michael Crabtree of San Francisco 49ers celebrates a touchdown against the Denver Broncos at Wembley Stadium in London, England on October 31, 2010. (Sean Ryan/NFL)

Jan 15, 2011; Atlanta, GA, USA; Green Bay Packers wide receiver Jordy Nelson (87) scores a touchdown past Atlanta Falcons cornerback Dunta Robinson (23) during the second quarter of the 2011 NFC divisional playoff game at the Georgia Dome. Mandatory Credit: Dale Zanine-US PRESSWIRE