Buffalo Bills middle linebacker Brandon Spikes takes the field before an NFL football game against the New England Patriots  Sunday, Dec. 28, 2014, in Foxborough, Mass.

Green Bay Packers tackle Bryan Bulaga (75) is seen in action during an NFC Championship playoff football game against the Seattle Seahawks on Sunday, Jan. 18, 2015 at CenturyLink Field in Seattle, WA.

Cincinnati Bengals guard Clint Boling walks on the sidelines during an NFL preseason football game against the New York Jets, Saturday, Aug. 16, 2014, in Cincinnati.

San Francisco 49ers  wide receiver Michael Crabtree (15) beats Baltimore Ravens cornerback Corey Graham (24) for a pass during the NFL Super Bowl XLVII football game on Sunday, Feb. 3, 2013 in New Orleans. The Ravens won the game 34-31.

Denver Broncos wide receiver Demaryius Thomas (88) catches a 63-yard touchdown pass from quarterback Peyton Manning past Oakland Raiders defensive back Phillip Adams (28) during the second quarter of an NFL football game, Sunday, Dec. 29, 2013, in Oakland, Calif. With this score, the Broncos surpassed the 2007 New England Patriots for the most points scored in a season.

Indianapolis Colts wide receiver Reggie Wayne, bottom, attempts to tackle New England Patriots free safety Devin McCourty after McCourty intercepted a pass from Indianapolis Colts quarterback Andrew Luck during the first half of an NFL football game in Indianapolis, Sunday, Nov. 16, 2014.

Dallas Cowboys tackle Doug Free (68) is seen in action during an NFL football game against the Philadelphia Eagles at Lincoln Financial Field on Sunday, December 14, 2014 in Philadelphia, Pennsylvania. The Cowboys won 38-27.

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.

Denver Broncos safety Duke Ihenacho (33) looks on from the sidelines during the AFC Championship Football game against the New England Patriots in Denver, Colorado on Sunday, January 19, 2014. The Broncos defeated the Patriots 26-16.

Seattle Seahawks guard James Carpenter (77) blocks Green Bay Packers defensive end Mike Daniels (76) during the NFL week 20 NFC Championship football game against the Green Bay Packers on Sunday, Jan. 18, 2015 in Seattle. The Seahawks won the game 28-22 in overtime.

Philadelphia Eagles wide receiver Jeremy Maclin (18) scores a touchdown against the Arizona Cardinals during the first half of an NFL football game, Sunday, Oct. 26, 2014, in Glendale, Ariz.

St. Louis Rams offensive lineman Joe Barksdale (72) pass blocks during an NFL football game against the San Francisco 49ers on Sunday, Nov. 2, 2014, in Santa Clara, Ca. The Rams won the game, 20-13.

Miami Dolphins free safety Louis Delmas (25) high steps as his dreadlocks fly in the air while celebrating after winning the NFL week 1 regular season football game against the New England Patriots on Sunday, Sept. 7, 2014 in Miami Gardens, Fla. The Dolphins won the game 33-20.

Tampa Bay Buccaneers Mason Foster (59) during an NFL football game against the Atlanta Falcons at Raymond James Stadium in Tampa Florida.

San Francisco 49ers offensive guard Mike Iupati (77) in action against the New York Giants at Met Life Stadium in East Rutherford, New Jersey November 16,  2014.

Detroit Lions defensive tackle Ndamukong Suh (90) stops Miami Dolphins running back Lamar Miller (26) during the first half of an NFL football game in Detroit, Sunday, Nov. 9, 2014.

Detroit Lions defensive tackle Nick Fairley (98) sacks New York Giants quarterback Eli Manning (10) in the end zone for a safety during the third quarter of an NFL football game in Detroit, Sunday, Dec. 22, 2013.

Denver Broncos tackle Orlando Franklin (74) during an NFL preseason game against the Seattle Seahawks on Thursday, Aug. 7, 2014 in Denver. The Broncos won the game, 21-16.

Green Bay Packers wide receiver Randall Cobb (18) runs the ball for a touchdown during an NFL football game against the Detroit Lions at Lambeau Field on Sunday, December 28, 2014 in Green Bay, WI. The Packers won 30-20.

Cincinnati Bengals middle linebacker Rey Maualuga (58) celebrates with fans after a 30-0 win over the Cleveland Browns in an NFL football game Sunday, Dec. 14, 2014, in Cleveland.

Miami Dolphins quarterback Ryan Tannehill (17) is sacked by Denver Broncos defensive tackle Terrance Knighton during the second half of an NFL football game, Sunday, Nov. 23, 2014, in Denver.

Baltimore Ravens wide receiver Torrey Smith (82) catches the football during the Super Bowl XLVII game against the San Francisco 49ers in New Orleans, Louisiana on January 27, 2013. The Ravens defeated the 49ers 34-31.

Green Bay Packers' Tramon Williams (38) breaks up a pass intended for Seattle Seahawks' Jermaine Kearse during the second half of the NFC championship NFL football game in Seattle.