San Francisco 49ers wide receiver Michael Crabtree scores a touchdown on a 32-yard pass play against the St. Louis Rams in the third quarter of an NFL football game Monday, Oct. 13, 2014, in St Louis. (AP Photo/Scott Kane)

San Francisco 49ers quarterback Colin Kaepernick (7) celebrates after throwing an 11-yard touchdown pass to wide receiver Anquan Boldin against the St. Louis Rams in the third quarter of an NFL football game Monday, Oct. 13, 2014, in St Louis. (AP Photo/Billy Hurst)

San Francisco 49ers wide receiver Anquan Boldin (81) scores a touchdown on an 11-yard pass play as he is defended by St. Louis Rams cornerback Janoris Jenkins (21) in the third quarter of an NFL football game Monday, Oct. 13, 2014, in St Louis. (AP Photo/Scott Kane)

San Francisco 49ers outside linebacker Ahmad Brooks, top, brings down St. Louis Rams running back Tre Mason (27) in the first quarter of an NFL football game Monday, Oct. 13, 2014, in St Louis. (AP Photo/Billy Hurst)

Chicago Bears running back Ka'Deem Carey (25) moves against Atlanta Falcons outside linebacker Kroy Biermann (71) during the first half of an NFL football game, Sunday, Oct. 12, 2014, in Atlanta. (AP Photo/John Bazemore)

Chicago Bears tight end Martellus Bennett (83) runs by Atlanta Falcons cornerback Josh Wilson (26) during the first half of an NFL football game, Sunday, Oct. 12, 2014, in Atlanta. (AP Photo/David Goldman)

Oakland Raiders wide receiver James Jones, top, scores on a 6-yard touchdown reception over San Diego Chargers inside linebacker Andrew Gachkar during the second quarter of an NFL football game in Oakland, Calif., Sunday, Oct. 12, 2014. (AP Photo/Marcio Jose Sanchez)

Chicago Bears wide receiver Brandon Marshall (15) ties to make the catch against Atlanta Falcons cornerback Robert Alford (23) during the first half of an NFL football game, Sunday, Oct. 12, 2014, in Atlanta. The ball was incomplete. (AP Photo/John Bazemore)

Chicago Bears wide receiver Alshon Jeffery (17) makes the catch but out of bounds against Atlanta Falcons free safety Dwight Lowery (20) during the first half of an NFL football game, Sunday, Oct. 12, 2014, in Atlanta. (AP Photo/John Bazemore)

Chicago Bears tight end Martellus Bennett (83) moves past Atlanta Falcons inside linebacker Joplo Bartu (59) during the first half of an NFL football game, Sunday, Oct. 12, 2014, in Atlanta. (AP Photo/John Bazemore)

New England Patriots' Brandon LaFell (19) dives into the end zone for a touchdown during the second half of an NFL football game against the Buffalo Bills Sunday, Oct. 12, 2014, in Orchard Park, N.Y. The Patriots won the game 37-22. (AP Photo/Mike Groll)

Tampa Bay Buccaneers wide receiver Robert Herron (10) tries to get around Baltimore Ravens cornerback Lardarius Webb (21) after a reception during the second half of an NFL football game in Tampa, Fla., Sunday, Oct. 12, 2014. (AP Photo/Phelan M. Ebenhack)

New England Patriots wide receiver Brandon LaFell (19) celebrates after scoring a touchdown during the second half of an NFL football game against the Buffalo Bills Sunday, Oct. 12, 2014, in Orchard Park, N.Y. The Patriots won the game 37-22. (AP Photo/Gary Wiepert)

New York Jets quarterback Geno Smith (7) is sacked by Denver Broncos outside linebacker Von Miller (58) and defensive end Derek Wolfe (95) as he scrambles out of the end zone during the fourth quarter of an NFL football game, Sunday, Oct. 12, 2014, in East Rutherford, N.J. The Broncos won 31-17. (AP Photo/Bill Kostroun)

Green Bay Packers quarterback Aaron Rodgers (12) is tackled by Miami Dolphins free safety Reshad Jones (20) during the second half of an NFL football game, Sunday, Oct. 12, 2014, in Miami Gardens, Fla. (AP Photo/J Pat Carter)

Miami Dolphins wide receiver Mike Wallace (11) catches a touchdown pass as Green Bay Packers strong safety Morgan Burnett (42) is late with the tackle during the second half of an NFL football game, Sunday, Oct. 12, 2014, in Miami Gardens, Fla. (AP Photo/J Pat Carter)

Minnesota Vikings defensive end Everson Griffen (97) and outside linebacker Gerald Hodges, left, stop Detroit Lions running back Joique Bell (35) after a 15-yard pass reception during the second half of an NFL football game Sunday, Oct. 12, 2014, in Minneapolis. (AP Photo/Ann Heisenfelt)

Cleveland Browns cornerback Joe Haden (23) breaks up a pass in the end zone against Pittsburgh Steelers wide receiver Antonio Brown (84) in the fourth quarter of an NFL football game Sunday, Oct. 12, 2014, in Cleveland. (AP Photo/Tony Dejak)

Baltimore Ravens running back Bernard Pierce (30) pushes his way past Tampa Bay Buccaneers strong safety Mark Barron (23) for a touchdown on a 4-yard run during the second half of an NFL football game in Tampa, Fla., Sunday, Oct. 12, 2014. (AP Photo/Steve Nesius)

Detroit Lions running back Joique Bell (35) celebrates in front of Minnesota Vikings free safety Harrison Smith (22) after scoring from the 1-yard line for a touchdown during the second half of an NFL football game Sunday, Oct. 12, 2014, in Minneapolis. (AP Photo/Ann Heisenfelt)

Carolina Panthers quarterback Cam Newton (1) runs through Cincinnati Bengals cornerback Terence Newman (23) and outside linebacker Vontaze Burfict (55) for a 12-yard touchdown in the second half of an NFL football game, Sunday, Oct. 12, 2014, in Cincinnati. (AP Photo/Paul Sancya)

Tennessee Titans running back Bishop Sankey (20) is tackled short of the goal line by Jacksonville Jaguars outside linebacker Telvin Smith (50) in the third quarter of an NFL football game Sunday, Oct. 12, 2014, in Nashville, Tenn. (AP Photo/Mark Zaleski)

Carolina Panthers quarterback Cam Newton (1) passes under pressure from Cincinnati Bengals strong safety George Iloka (43) in the first half of an NFL football game, Sunday, Oct. 12, 2014, in Cincinnati. (AP Photo/AJ Mast)

Houston Texans' J.J. Watt (99) returns a fumble against Indianapolis Colts for a 45-yard touchdown during the second half of an NFL football game, Thursday, Oct. 9, 2014, in Houston. (AP Photo/Patric Schneider)

New York Jets running back Chris Johnson (21) is tackled by Denver Broncos defensive end Derek Wolfe (95) during the second quarter of an NFL football game, Sunday, Oct. 12, 2014, in East Rutherford, N.J. (AP Photo/Bill Kostroun)

Minnesota Vikings tight end Chase Ford (86) looses control of the ball as the Detroit Lions defense closes in during the first half of an NFL football game Sunday, Oct. 12, 2014, in Minneapolis. (AP Photo/Ann Heisenfelt)

Baltimore Ravens cornerback Lardarius Webb (21) breaks up a pass intended for Tampa Bay Buccaneers wide receiver Vincent Jackson (83) during the first half of an NFL football game in Tampa, Fla., Sunday, Oct. 12, 2014. (AP Photo/Steve Nesius)

Detroit Lions wide receiver Jeremy Ross (12) pulls away from Minnesota Vikings cornerback Jabari Price (39) during the first half of an NFL football game Sunday, Oct. 12, 2014, in Minneapolis. (AP Photo/Ann Heisenfelt)

Cincinnati Bengals running back Giovani Bernard (25) celebrates with Jeremy Hill (32) and Adam Jones (24) after Bernard scored on an 89-yard run against the Carolina Panthers in the first half of an NFL football game, Sunday, Oct. 12, 2014, in Cincinnati. (AP Photo/Paul Sancya)

Detroit Lions quarterback Matthew Stafford (9) is sacked by Minnesota Vikings middle linebacker Jasper Brinkley (54) during the first half of an NFL football game Sunday, Oct. 12, 2014, in Minneapolis. (AP Photo/Ann Heisenfelt)

Denver Broncos tight end Julius Thomas (80) celebrates with wide receiver Demaryius Thomas (88) and running back Ronnie Hillman (23) after catching a pass for a touchdown against the New York Jets during the second quarter of an NFL football game, Sunday, Oct. 12, 2014, in East Rutherford, N.J. (AP Photo/Bill Kostroun)

New York Jets defensive back Phillip Adams (24) breaks up a pass in the end zone intended for Denver Broncos wide receiver Emmanuel Sanders (10) during the second quarter of an NFL football game, Sunday, Oct. 12, 2014, in East Rutherford, N.J. (AP Photo/Bill Kostroun)

Denver Broncos wide receiver Demaryius Thomas (88) reacts after catching a touchdown pass against New York Jets defensive back Phillip Adams (24) in the second quarter of an NFL football game, Sunday, Oct. 12, 2014, in East Rutherford, N.J. (AP Photo/Kathy Willens)

Denver Broncos wide receiver Demaryius Thomas (88) celebrates with guard Orlando Franklin (74) after scoring a touchdown against the New York Jets in the second quarter of an NFL football game, Sunday, Oct. 12, 2014, in East Rutherford, N.J. (AP Photo/Kathy Willens)

Denver Broncos running back Ronnie Hillman (23) is tackled by New York Jets free safety Calvin Pryor (25) during the second quarter of an NFL football game, Sunday, Oct. 12, 2014, in East Rutherford, N.J. (AP Photo/Bill Kostroun)

New England Patriots' Julian Edelman (11) is defended by Buffalo Bills strong safety Duke Williams (27) during the first half of an NFL football game Sunday, Oct. 12, 2014, in Orchard Park, N.Y. (AP Photo/Gary Wiepert)

New York Jets tight end Jace Amaro (88) is upended by Denver Broncos cornerback Kayvon Webster (36) during the second quarter of an NFL football game, Sunday, Oct. 12, 2014, in East Rutherford, N.J. (AP Photo/Kathy Willens)

New York Jets tight end Jace Amaro (88) is tackled by Denver Broncos outside linebacker Brandon Marshall (54) in the first quarter of an NFL football game, Sunday, Oct. 12, 2014, in East Rutherford, N.J. (AP Photo/Bill Kostroun)

Baltimore Ravens wide receiver Michael Campanaro (15) catches a pass for a 19-yard touchdown against the Tampa Bay Buccaneers during the first half of an NFL football game in Tampa, Fla., Sunday, Oct. 12, 2014. (AP Photo/Phelan M. Ebenhack)

Tampa Bay Buccaneers Mason Foster, right, breaks up a pass intended for Baltimore Ravens fullback Kyle Juszczyk, left, during the first half of an NFL football game in Tampa, Fla., Sunday, Oct. 12, 2014. (AP Photo/Phelan M. Ebenhack)

Cincinnati Bengals tight end Jermaine Gresham (84) is tackled by Carolina Panthers free safety Charles Godfrey (30) in the first half of an NFL football game, Sunday, Oct. 12, 2014, in Cincinnati. (AP Photo/Paul Sancya)

Denver Broncos quarterback Peyton Manning (18) is sacked by New York Jets defensive end Muhammad Wilkerson (96) in the first quarter of an NFL football game, Sunday, Oct. 12, 2014, in East Rutherford, N.J. (AP Photo/Bill Kostroun)

Baltimore Ravens wide receiver Kamar Aiken (11) catches a pass for a touchdown on a 17-yard pass play past Tampa Bay Buccaneers strong safety Mark Barron (23) and cornerback Major Wright (31) during the first half of an NFL football game in Tampa, Fla., Sunday, Oct. 12, 2014. (AP Photo/Phelan M. Ebenhack)

Cincinnati Bengals wide receiver Brandon Tate (19) dives into the end zone for a touchdown after catching a five yard pass against Carolina Panthers cornerback Antoine Cason (20) in the first half of an NFL football game, Sunday, Oct. 12, 2014, in Cincinnati. (AP Photo/AJ Mast)

New York Jets tight end Jace Amaro (88) catches a touchdown pass against Denver Broncos strong safety T.J. Ward (43) during the first quarter of an NFL football game, Sunday, Oct. 12, 2014, in East Rutherford, N.J. (AP Photo/Kathy Willens)

Carolina Panthers tight end Greg Olsen (88) is tackled by Cincinnati Bengals free safety Reggie Nelson (20) in the first half of an NFL football game, Sunday, Oct. 12, 2014, in Cincinnati. (AP Photo/AJ Mast)

Carolina Panthers wide receiver Kelvin Benjamin (13) catches a touchdown pass against Cincinnati Bengals strong safety George Iloka in the first half of an NFL football game, Sunday, Oct. 12, 2014, in Cincinnati. (AP Photo/AJ Mast)

Minnesota Vikings running back Jerick McKinnon (31) is stopped by Detroit Lions defensive tackle Nick Fairley (98), outside linebacker Tahir Whitehead (59) and defensive end Ezekiel Ansah (94) during the first half of an NFL football game Sunday, Oct. 12, 2014, in Minneapolis. (AP Photo/Ann Heisenfelt)

Detroit Lions running back Theo Riddick (25) is brought down by Minnesota Vikings outside linebacker Anthony Barr (55) during the first half of an NFL football game Sunday, Oct. 12, 2014, in Minneapolis. (AP Photo/Ann Heisenfelt)

Houston Texans' Brian Cushing (56) rallies his teammates before an NFL football game against the Indianapolis Colts, Thursday, Oct. 9, 2014, in Houston. (AP Photo/David J. Phillip)

Indianapolis Colts' T.Y. Hilton (13) catches a pass in front of Houston Texans' Kareem Jackson (25) during the first quarter of an NFL football game, Thursday, Oct. 9, 2014, in Houston. (AP Photo/David J. Phillip)

Indianapolis Colts' Trent Richardson (34) celebrates after he scored a touchdown against the Houston Texans during the first quarter of an NFL football game, Thursday, Oct. 9, 2014, in Houston. (AP Photo/David J. Phillip)

Indianapolis Colts' Cory Redding (90) and D'Qwell Jackson (52) celebrate after they sacked Houston Texans' Ryan Fitzpatrick during the first quarter of an NFL football game, Thursday, Oct. 9, 2014, in Houston. (AP Photo/David J. Phillip)

Houston Texans' Arian Foster (23) runs with the ball as Indianapolis Colts' Greg Toler (28) and D'Qwell Jackson (52) pursue him during the second half of an NFL football game, Thursday, Oct. 9, 2014, in Houston. (AP Photo/Patric Schneider)

Chicago Bears wide receiver Alshon Jeffery (17) celebrates his catch against Atlanta Falcons defensive back Kemal Ishmael (36) during the second half of an NFL football game, Sunday, Oct. 12, 2014, in Atlanta. (AP Photo/David Goldman)

Chicago Bears running back Matt Forte (22) heads into the end zone as Atlanta Falcons free safety Dwight Lowery (20) defends during the second half of an NFL football game, Sunday, Oct. 12, 2014, in Atlanta. (AP Photo/John Bazemore)

Seattle Seahawks quarterback Russell Wilson (3) runs for a touchdown ahead of Dallas Cowboys outside linebacker Justin Durant (52) in the second half of an NFL football game, Sunday, Oct. 12, 2014, in Seattle. (AP Photo/Scott Eklund)

Arizona Cardinals wide receiver Larry Fitzgerald (11) celebrates his touchdown with teammate John Brown during the first half of an NFL football game against the Washington Redskins, Sunday, Oct. 12, 2014, in Glendale, Ariz. (AP Photo/Ross D. Franklin)

Arizona Cardinals wide receiver Larry Fitzgerald (11) celebrates his touchdown against the Washington Redskins during the first half of an NFL football game, Sunday, Oct. 12, 2014, in Glendale, Ariz. (AP Photo/Ross D. Franklin)

Dallas Cowboys wide receiver Dez Bryant, top, is tackled by Seattle Seahawks cornerback Richard Sherman in the first half of an NFL football game, Sunday, Oct. 12, 2014, in Seattle. Sherman was penalized for tripping on the play. (AP Photo/Elaine Thompson)

Chicago Bears wide receiver Josh Morgan (19)celebrates his touchdown with Chicago Bears wide receiver Santonio Holmes (14) during the first half of an NFL football game against the Atlanta Falcons, Sunday, Oct. 12, 2014, in Atlanta. (AP Photo/David Goldman)

Atlanta Falcons cornerback Robert McClain (27) tackles Chicago Bears quarterback Jay Cutler (6) during the first half of an NFL football game, Sunday, Oct. 12, 2014, in Atlanta. (AP Photo/John Bazemore)

Chicago Bears tight end Martellus Bennett (83) tries to make the catch as Atlanta Falcons free safety Dwight Lowery (20) defends during the first half of an NFL football game, Sunday, Oct. 12, 2014, in Atlanta. (AP Photo/John Bazemore)

Dallas Cowboys wide receiver Dez Bryant (88) jumps for the ball against Seattle Seahawks cornerback Byron Maxwell (41) during the NFL game on Sunday, Oct. 12, 2014 at CenturyLink Field in Seattle. (Ric Tapia/NFL)

Dallas Cowboys tight end Jason Witten (82) makes a catch against Seattle Seahawks strong safety Kam Chancellor (31) during the NFL game on Sunday, Oct. 12, 2014 at CenturyLink Field in Seattle. (Ric Tapia/NFL)

Baltimore Ravens' Daryl Smith sacks Tampa Bay Buccaneers quarterback Mike Glennon during an NFL football game Sunday, Oct. 12, 2014 in Tampa, Fla. (AP Photo/Steve Nesius)

Tampa Bay Buccaneers' Vincent Jackson, left, grabs a catch over Baltimore Ravens' Dominique Franks (32) during an NFL football game Sunday, Oct. 12, 2014 in Tampa, Fla. (AP Photo/Steve Nesius)