Pittsburgh Steelers safety Shamarko Thomas helps to hold the American Flag
Pittsburgh Steelers safety Shamarko Thomas (29) helps to hold the American flag during the National Anthem prior to their game against the Washington Redskins at FedEx Field in Landover, Maryland on September 12, 2016. Photo by Kevin Dietsch/UPI
Colin Kaepernick kneels alongside teammate Eric Reid during the National Anthem
San Francisco 49ers QB Colin Kaepernick (7) kneels alongside teammate Eric Reid during the National Anthem before playing the Los Angeles Rams at Levi's Stadium in Santa Clara, California on September 12. 2016. Kaepernick and Reid are kneeling In a protest of racial injustice. Photo by Bruce Gordon/UPI
Baltimore's Brandon Williams waves a flag to remember the 911 attacks before an NFL game against Buffalo
Baltimore Ravens nose tackle Brandon Williams (98) waves a U.S. flag to remember the 911 terrorist attacks before opening an NFL game against the Buffalo Bills at M&T Bank Stadium in Baltimore, Maryland, September 11, 2016. Photo by David Tulis/UPI
Pittsburgh Steelers running back DeAngelo Williams (34) brings in a pass against Washington Redskins linebacker Will Compton (51) at FedEx Field in Landover, Maryland on September 12, 2016. Photo by Kevin Dietsch/UPI
Arizona Cardinals' David Johnson (31) runs for fourty-five yards in the fourth quarter of the Cardinals-New England Patriots game at University of Phoenix Stadium in Glendale, Arizona, September 11, 2016. Trying to make the play are Patriots' Duron Harmon (30) and Devin McCourty (32). The Patriots defeated the Cardinals 23-21. Photo by Art Foxall/UPI
New Orleans Saints quarterback Drew Brees (9) exits the tunnel at the Mercedes-Benz Superdome in New Orleans September 11, 2016, before the game with the Oakland Raiders. Photo by AJ Sisco/UPI
Dallas Cowboys and New York Giants play in Arlington, Texas.
Former President and First Lady George W. and Laura Bush enter AT&T Stadium for a pre-game ceremony honoring those who lost their lives in the terror attacks 15 years ago. Ian Halperin/UPI
Pittsburgh Steelers' Shamarko Thomas and William Gay help hold the American Flag
Pittsburgh Steelers safety Shamarko Thomas (29) and William Gay (22) help military service personnel hold a field size American flag during the National Anthem prior to their game against the Washington Redskins at FedEx Field in Landover, Maryland on September 12, 2016. Photo by Kevin Dietsch/UPI
Members of the Washington Redskins help to hold the American Flag
Members of the Washington Redskins help Military personnel hold a field size American flag during the National Anthem prior to their game against the Pittsburgh Steelers at FedEx Field in Landover, Maryland on September 12, 2016. Photo by Kevin Dietsch/UPI
49ers Antoine Bethea and Eli Harold hold up clenched fist during the National Anthem
San Francisco 49ers Antoine Bethea (41) and Eli Harold (58) hold up clenched fists as QB Colin Kaepernick (7) kneels during the National Anthem before playing the Los Angeles Rams at Levi's Stadium in Santa Clara, California on September 12. 2016. Kaepernick started protests during the National Anthem against racial injustice that are spreading. Photo by Terry Schmitt/UPI
Seattle Seahawks beat Miami Dolphins 12-10 in Seattle
Seattle Seahawks free safety Earl Thomas (center, head bowed) links arms with his teammates during the playing of the National Anthem prior to their game against the Miami Dolphins at Seattleās CenturyLink Field on September 11, 2016. Photo by Jim Bryant/UPI
Carolina Panthers quarterback Cam Newton celebrates throwing a 14-yard touchdown pass against the Denver Broncos in the first quarter at the NFL's season opener and Super Bowl 50 rematch at Sports Authority Field at Mile High in Denver on September 8, 2016. Newton is the NFL 2015 MVP. Photo by Gary C. Caskey/UPI
Pittsburgh Steelers quarterback Ben Roethlisberger (7) talks to Washington Redskins cornerback Josh Norman (24) after the Steelers defeated the Redskins 38-16 at FedEx Field in Landover, Maryland on September 12, 2016. Photo by Kevin Dietsch/UPI
Pittsburgh Steelers wide receiver Antonio Brown (84) has the ball stripped by Washington Redskins cornerback Josh Norman (24) in the second quarter at FedEx Field in Landover, Maryland on September 12, 2016. Photo by Kevin Dietsch/UPI
Panthers Benwikere intercepts pass intended for Broncos Sanders in Denver
Carolina Panthers cornerback Bene Benwikere (25) intercepts pass intended for Denver Broncos wide receiver Emmanuel Sanders (10) during the third quarter at the NFL's season opener and Super Bowl 50 rematch at Sports Authority Field at Mile High in Denver on September 8, 2016. Denver beat Carolina 21-20. Photo by Gary C. Caskey/UPI
Steelers wide receiver Antonio Brown scores a touchdown
Pittsburgh Steelers wide receiver Antonio Brown (84) scores a 26-yard touchdown against the Washington Redskins in the third quarter at FedEx Field in Landover, Maryland on September 12, 2016. Photo by Kevin Dietsch/UPI
New England Patriots quarterback Jimmy Garoppolo (C) gets off a pass for a first down in the first quarter of the Patriots-Arizona Cardinals game at University of Phoenix Stadium in Glendale, Arizona, September 11, 2016. Photo by Art Foxall/UPI
Raiders WR Seth Roberts scores with seconds left in game against Saints
Oakland Raiders wide receiver Seth Roberts (10) takes a Derek Carr pass in for a touchdown with under a minute left in the game against the New Orleans Saints at the Mercedes-Benz Superdome in New Orleans September 11, 2016. Photo by AJ Sisco/UPI
Steelers wide receiver Antonio Brown scores a touchdown
Pittsburgh Steelers wide receiver Antonio Brown (84) brings in a 29-yard touchdown on 4th and 1against the Washington Redskins in the second quarter at FedEx Field in Landover, Maryland on September 12, 2016. Photo by Kevin Dietsch/UPI
Seattle Seahawks beat Miami Dolphins 12-10 in Seattle
Seattle Seahawks defensive end Cassius Marsh (91) blocks Miami Dolphins kicker Andrew Franks (3) 27 yard attempt in the fourth quarter at CenturyLink Field in Seattle, Washington on September 11, 2016. Seahawks came from behind to beat the Dolphins 12-10. Photo by Jim Bryant/UPI
Buffalo's Charles Clay can't bring down the intended reception in front of Baltimore's Eric Weddle
Buffalo Bills tight end Charles Clay (85) can't bring down the intended reception in front of Baltimore Ravens defensive back Eric Weddle (32) during the first half of an NFL football game at M&T Bank Stadium in Baltimore, Maryland, September 11, 2016. Photo by David Tulis/UPI
Panthers receiver Whittaker gains four yard against Broncos Marshall in Denver
Carolina Panthers running back Fozzy Whittaker (43) gains four yards on a pass reception against Denver Broncos linebacker Brandon Marshall in the second quarter at the NFL's season opener and Super Bowl 50 rematch at Sports Authority Field at Mile High in Denver on September 8, 2016. Newton is the NFL 2015 MVP. Photo by Gary C. Caskey/UPI
New Orleans Saints quarterback Drew Brees (9) celebrates a 15 yard pass to receiver Brandin Cooks (10) for a touchdown against the Oakland Raiders at the Mercedes-Benz Superdome in New Orleans September 1, 2016. Photo by AJ Sisco/UPI
Denver Broncos linebacker Von Miller (58) does his sack dance against the Carolina Panthers in the fourth quarter at the NFL's season opener and Super Bowl 50 rematch at Sports Authority Field at Mile High in Denver on September 8, 2016. Denver beat Carolina 21-20. Photo by Gary C. Caskey/UPI
Baltimore's Terrance West leaps over Buffalo defenders Ronald Darby and Preston Brown
Baltimore Ravens running back Terrance West (C) leaps over Buffalo Bills defenders Ronald Darby (L) and Preston Brown during the first half of an NFL football game at M&T Bank Stadium in Baltimore, Maryland, September 11, 2016. Photo by David Tulis/UPI
Carolina Panthers quarterback Cam Newton kneels on the sidelines reacting after Panthers missed winning field goal against the Denver Broncos at the NFL's season opener and Super Bowl 50 rematch at Sports Authority Field at Mile High in Denver on September 8, 2016. Denver beat Carolina 21-20. Photo by Gary C. Caskey/UPI
Baltimore QB Joe Flacco is tackled for a loss by Buffalo's Leger Douzable
Baltimore Ravens quarterback Joe Flacco (5) is tackled for a loss by Buffalo Bills defensive tackle Leger Douzable (91) during the second half of an NFL football game at M&T Bank Stadium in Baltimore, Maryland, September 11, 2016. Baltimore won 13-7. Photo by David Tulis/UPI
Oakland Raiders quarterback Derek Carr (4) looks up at the scoreboard during play against the New Orleans Saints at the Mercedes-Benz Superdome in New Orleans September 11, 2016. Photo by AJ Sisco/UPI
Baltimore's Timmy Jernigan celebrates a stop against Buffalo
Baltimore Ravens defensive end Timmy Jernigan (99) celebrates a stop against the Buffalo Bills during the first half of an NFL football game at M&T Bank Stadium in Baltimore, Maryland, September 11, 2016. Photo by David Tulis/UPI
Steelers running back DeAngelo Williams celerbates
Pittsburgh Steelers running back DeAngelo Williams (34) celebrates with Antonio Brown (84) after Williams scored a 15-yard touchdown against the Washington Redskins at FedEx Field in Landover, Maryland on September 12, 2016. The Steelers defeated the Redskins 38-16. Photo by Kevin Dietsch/UPI
Broncos QB Siemian escapes Panthers Johnson in Denver
Denver Broncos quarterback Trevor Siemian (13) escapes the rush from Carolina Panthers defensive end Charles Johnson during the first quarter at the NFL's season opener and Super Bowl 50 rematch at Sports Authority Field at Mile High in Denver on September 8, 2016. Newton is the NFL 2015 MVP. Photo by Gary C. Caskey/UPI
Seattle Seahawks beat Miami Dolphins 12-10 in Seattle
Seattle Seahawks outside linebacker K.J. Wright (50) defensive end Cliff Avril bring down Miami Dolphins running back Arian Foster during the third quarter at CenturyLink Field in Seattle, Washington on September 11, 2016. Seahawks came from behind to beat the Dolphins 12-10. Photo by Jim Bryant/UPI
Baltimore receiver Mike Wallace makes a 54-yard reception and touchdown run against Buffalo
Baltimore Ravens receiver Mike Wallace (17) makes a 54-yard reception and touchdown run against the Buffalo Bills during the first half of an NFL football game at M&T Bank Stadium in Baltimore, Maryland, September 11, 2016. Photo by David Tulis/UPI
Dallas Cowboys and New York Giants play in Arlington, Texas.
Dallas Cowboys rookie running back Ezekiel Elliott rushes against the New York Giants during the first half at AT&T Stadium in Arlington, Texas on September 11, 2016. Ian Halperin/UPI
Denver Broncos quarterback Trevor Siemian receives congratulations as game ends against the Carolina Panthers at the NFL's season opener and Super Bowl 50 rematch at Sports Authority Field at Mile High in Denver on September 8, 2016. Denver beat Carolina 21-20. Photo by Gary C. Caskey/UPI
New England Patriots quarterback Jimmy Garoppolo warms up before the Patriots-Arizona Cardinals game at University of Phoenix Stadium in Glendale, Arizona, September 11, 2016. Photo by Art Foxall/UPI
Pittsburgh Steelers quarterback Ben Roethlisberger (7) is sacked by Washington Redskins Ziggy Hood at FedEx Field in Landover, Maryland on September 12, 2016. Photo by Kevin Dietsch/UPI
Buffalo QB Tyrod Taylor throws downfield against Baltimore
Buffalo Bills quarterback Tyrod Taylor (5) throws downfield against the Baltimore Ravens during the first half of an NFL football game at M&T Bank Stadium in Baltimore, Maryland, September 11, 2016. Photo by David Tulis/UPI
Saints RB Mark Ingram for 17 yards against the Raiders
New Orleans Saints running back Mark Ingram (22) picks up 17 yards in the fourth quarter against the Oakland Raiders defense at the Mercedes-Benz Superdome in New Orleans September 11, 2016. Photo by AJ Sisco/UPI
Panthers Bostons sacks Broncos QB Siemian in Denver
Carolina Panthers safety Tre Boston sacks Denver Broncos quarterback Trevor Siemian in the fourth quarter at the NFL's season opener and Super Bowl 50 rematch at Sports Authority Field at Mile High in Denver on September 8, 2016. Denver beat Carolina 21-20. Photo by Gary C. Caskey/UPI
Baltimore's Breshad Perriman makes a catch in front of Buffalo's Stephon Gilmore
Baltimore Ravens wide receiver Breshad Perriman (18) makes a catch in front of Buffalo Bills cornerback Stephon Gilmore (24) during the first half of an NFL football game at M&T Bank Stadium in Baltimore, Maryland, September 11, 2016. Photo by David Tulis/UPI
Broncos Sanders makes catch against Panthers in Denver
Denver Broncos wide receiver Emmanuel Sanders (10) grabs a first down pass against cornerback James Bradberry in the third quarter at the NFL's season opener and Super Bowl 50 rematch at Sports Authority Field at Mile High in Denver on September 8, 2016. Denver beat Carolina 21-20. Photo by Gary C. Caskey/UPI
Baltimore defenders Terrell Suggs and Timmy Jernigan celebrate sacking Buffalo QB Tyrod Taylor
Baltimore Ravens defenders Terrell Suggs (L) and Timmy Jernigan (99) celebrate sacking Buffalo Bills quarterback Tyrod Taylor for a 12-yard loss during the second half of an NFL football game at M&T Bank Stadium in Baltimore, Maryland, September 11, 2016. Baltimore won 13-7. Photo by David Tulis/UPI
Arizona Cardinals' kicker Chandler Catanzaro (7) watches as his kick is no good in the final minute of the Cardinals-New England Patriots game at University of Phoenix Stadium in Glendale, Arizona, September 11, 2016. The Patriots defeated the Cardinals 23-21. Photo by Art Foxall/UPI
Baltimore QB Joe Flacco is stopped by Buffalo's Leger Douzable and Lorenzo Alexander
Baltimore Ravens quarterback Joe Flacco (5) is stopped by Buffalo Bills defenders Leger Douzable (91) and Lorenzo Alexander (57) during the second half of an NFL football game at M&T Bank Stadium in Baltimore, Maryland, September 11, 2016. Baltimore won 13-7. Photo by David Tulis/UPI
Pittsburgh Steelers quarterback Ben Roethlisberger hugs Antonio Brown
Pittsburgh Steelers quarterback Ben Roethlisberger (7) celebrates with Antonio Brown (84) in the final moments of their game against the Washington Redskins at FedEx Field in Landover, Maryland on September 12, 2016. The Steelers defeated the Redskins 38-16. Photo by Kevin Dietsch/UPI
Baltimore's Zach Orr stops Buffalo QB Tyrod Taylor for a 12-yard loss
Baltimore Ravens linebacker Zach Orr (54) helps stop Buffalo Bills quarterback Tyrod Taylor (R) for a 12-yard loss during the second half of an NFL football game at M&T Bank Stadium in Baltimore, Maryland, September 11, 2016. Baltimore won 13-7. Photo by David Tulis/UPI
Dallas Cowboys and New York Giants play in Arlington, Texas.
New York Giants Odell Beckham wears shoes commemorating the 9/11 attacks during pregame warm-ups at AT&T Stadium, Arlington, Texas on September 11, 2016. Ian Halperin/UPI
New Orleans Saints wide receiver Willie Snead (83) takes a Drew Brees pass for 49 yards against Oakland Raiders defensive back Sean Smith (21) in the second quarter at the Mercedes-Benz Superdome in New Orleans September 11, 2016. Photo by AJ Sisco/UPI
Dallas Cowboys and New York Giants play in Arlington, Texas.
New York Giants Victor Cruz gets brought down from behind by Dallas Cowboys Brandon Carr during th first half at AT&T Stadium, Arlington, Texas on September 11, 2016. Ian Halperin/UPI
Jamize Olawale celebrates fourth quarter touchdown against Saints
Oakland Raiders running back Jamize Olawale (49) celebrates a fourth quarter touchdown against the New Orleans Saints at the Mercedes-Benz Superdome in New Orleans September 11, 2016. Photo by AJ Sisco/UPI
Seattle Seahawks beat Miami Dolphins 12-10 in Seattle
Seattle Seahawks defensive ends Michael Bennett (72) Frank Clark (55) sack Miami Dolphins quarterback Ryan Tannehill (17) during the third quarter at CenturyLink Field in Seattle, Washington on September 11, 2016. Seahawks came from behind to beat the Dolphins 12-10. Photo by Jim Bryant/UPI
Seattle Seahawks beat Miami Dolphins 12-10 in Seattle
Seattle Seahawks tight end Jimmy Graham (88) is wrapped up by Miami Dolphins defensive back Byron Maxwell (41) after catching a pass for 11 yards to set up a first down in the fourth quarter at CenturyLink Field in Seattle, Washington on September 11, 2016. Seahawks came from behind to beat the Dolphins 12-10. Photo by Jim Bryant/UPI
Pittsburgh Steelers running back DeAngelo Williams (34) runs against the Washington Redskins in the second quarter at FedEx Field in Landover, Maryland on September 12, 2016. The Steelers defeated the Redskins 38-16. Photo by Kevin Dietsch/UPI
49ers QB Blaine Gabbert tripped up by Los Angeles Rams Trumaine Johnson
San Francisco 49ers QB Blaine Gabbert (2) is tripped up by Los Angeles Rams Trumaine Johnson at Levi's Stadium in Santa Clara, California on September 12. 2016. The 49ers defeated the Rams 28-0. Photo by Bruce Gordon/UPI