Cincinnati Bengals' Joe Burrow runs a drill, Wednesday, July 28, 2021.

Cincinnati Bengals' Ja'Marr Chase walks to the field in Cincinnati, Wednesday, July 28, 2021.

Cincinnati Bengals' Vonn Bell runs a drill during an NFL football practice in Cincinnati, Wednesday, July 28, 2021.

Green Bay Packers' quarterback Aaron Rodgers during NFL football training camp Wednesday, July 28, 2021, in Green Bay, Wis.

Green Bay Packers' quarterback Jordan Love passes during NFL football training camp Wednesday, July 28, 2021, in Green Bay, Wis.

Green Bay Packers' wide receiver Davante Adams during NFL football training camp Wednesday, July 28, 2021, in Green Bay, Wis.

Green Bay Packers' wide receiver Bailey Gaither catches a pass during NFL football training camp Wednesday, July 28, 2021, in Green Bay, Wis.

Green Bay Packers' running back Aaron Jones during NFL football training camp Wednesday, July 28, 2021, in Green Bay, Wis.

Cleveland Browns receiver Rashard Higgins (82) catches a pass during NFL football practice in Berea, Ohio, Wednesday, July 28, 2021.

Cleveland Browns running back Kareem Hunt (27) catches a pass during NFL football practice in Berea, Ohio, Wednesday, July 28, 2021.

Cleveland Browns wide receiver Jarvis Landry (80) catches a pass during NFL football practice in Berea, Ohio, Wednesday, July 28, 2021.

Cleveland Browns quarterback Baker Mayfield (6) smiles while talking during NFL football practice in Berea, Ohio, Wednesday, July 28, 2021.

Cleveland Browns wide receiver Odell Beckham Jr. (13) walks during an NFL football practice in Berea, Ohio, Wednesday, July 28, 2021.

Tampa Bay Buccaneers wide receiver Mike Evans (13) shares a laugh with running back Leonard Fournette during an NFL football practice Tuesday, July 27, 2021, in Tampa, Fla.

Tampa Bay Buccaneers quarterback Tom Brady (12) during an NFL football practice Tuesday, July 27, 2021, in Tampa, Fla.

Tampa Bay Buccaneers defensive tackle Vita Vea (50) during an NFL football practice Tuesday, July 27, 2021, in Tampa, Fla.

Tampa Bay Buccaneers tight end Rob Gronkowski (87) during an NFL football practice Tuesday, July 27, 2021, in Tampa, Fla.

Tampa Bay Buccaneers running back Leonard Fournette (7) throws a pass during an NFL football practice Tuesday, July 27, 2021, in Tampa, Fla.

Tampa Bay Buccaneers cornerback Antonio Hamilton (22) during an NFL football practice Tuesday, July 27, 2021, in Tampa, Fla.

Tampa Bay Buccaneers running back Ronald Jones (27) during an NFL football practice Tuesday, July 27, 2021, in Tampa, Fla.

Dallas Cowboys cornerback Trevon Diggs (27) talks with receiver CeeDee Lamb (88) during an NFL football training camp Sunday, July 25, 2021 in Oxnard, Calif.

Dallas Cowboys defensive end DeMarcus Lawrence (90) works in a drill with defensive line coach Aden Durde (left) during an NFL football training camp Sunday, July 25, 2021 in Oxnard, Calif.

Dallas Cowboys head coach Mike McCarthy (center) calls the team up after practice during an NFL football training camp Sunday, July 25, 2021 in Oxnard, Calif.

Dallas Cowboys quarterback Garrett Gilbert (3) passes during an NFL football training camp Sunday, July 25, 2021 in Oxnard, Calif.

Dallas Cowboys owner Jerry Jones (left) talks with former Cowboys quarterback and current Fox NFL analyst Troy Aikman (right) during an NFL football training camp Sunday, July 25, 2021 in Oxnard, Calif.

Dallas Cowboys quarterback Dak Prescott (4) pitches the ball to running back Ezekiel Elliott (21) during an NFL football training camp Sunday, July 25, 2021 in Oxnard, Calif.

Dallas Cowboys receiver Amari Cooper (19) works against a resistance band during an NFL football training camp Sunday, July 25, 2021 in Oxnard, Calif.

Dallas Cowboys offensive lineman Connor Williams (52) points to a defender before he snaps during an NFL football training camp Sunday, July 25, 2021 in Oxnard, Calif.

Pittsburgh Steelers linebackers Melvin Ingram III (8) during an NFL football practice, Saturday, July 24, 2021, in Pittsburgh.

Pittsburgh Steelers quarterback Ben Roethlisberger (7) during an NFL football practice, Thursday, July 22, 2021, in Pittsburgh.

Pittsburgh Steelers wide receiver Mathew Sexton (80) during an NFL football practice, Saturday, July 24, 2021, in Pittsburgh.

Pittsburgh Steelers running back Kalen Ballage (29) during an NFL football practice, Saturday, July 24, 2021, in Pittsburgh.

Pittsburgh Steelers outside linebacker T.J. Watt (90) during an NFL football practice, Saturday, July 24, 2021, in Pittsburgh.

Pittsburgh Steelers wide receiver JuJu Smith-Schuster (19) center, holds a ball with teammates during a drill at an NFL football practice, Thursday, July 22, 2021, in Pittsburgh.

Pittsburgh Steelers defensive lineman Cameron Heyward (97), Stephon Tuitt (91) and Tyson Alualu (94 during an NFL football practice, Saturday, July 24, 2021, in Pittsburgh.

Pittsburgh Steelers running back Najee Harris (22) does a headstand as he warms up for an NFL football practice, Thursday, July 22, 2021, in Pittsburgh.

Pittsburgh Steelers offensive tackle Anthony Coyle (68) during an NFL football practice, Thursday, July 22, 2021, in Pittsburgh.

Dallas Cowboys linebacker Micah Parsons (11) reaches for a pass during an NFL football training camp Sunday, July 25, 2021 in Oxnard, Calif.

Philadelphia Eagles wide receiver DeVonta Smith stretches during practice at NFL football training camp, Wednesday, July 28, 2021, in Philadelphia.

Los Angeles Chargers quarterback Justin Herbert throws a pass during practice at the NFL football team's training camp in Costa Mesa, Calif., Wednesday, July 28, 2021.

Las Vegas Raiders defensive tackle Darius Philon performs drills during an NFL football practice Wednesday, July 28, 2021, in Henderson, Nev.

Denver Broncos quarterback Drew Lock, left, is greeted by wide receiver Courtland Sutton as they stretch before drills at an NFL football training camp at team headquarters Wednesday, July 28, 2021, in Englewood, Colo.

Los Angeles Chargers wide receiver Keenan Allen catches a pass during practice at the NFL football team's training camp in Costa Mesa, Calif., Wednesday, July 28, 2021.

Los Angeles Chargers defensive end Joey Bosa (97) works a drill during practice at the NFL football team's training camp in Costa Mesa, Calif., Wednesday, July 28, 2021.

Tennessee Titans running back Derrick Henry (22) runs a drill during NFL football training camp Wednesday, July 28, 2021, in Nashville, Tenn.

Indianapolis Colts quarterback Jalen Morton runs a drill during practice at the NFL team's football training camp in Westfield, Ind., Wednesday, July 28, 2021.

Baltimore Ravens wife receiver Rashod Bateman catches a pass during an NFL football training camp practice, Wednesday, July 28, 2021, in Owings Mills, Md.

Baltimore Ravens tackle Adrian Ealy, right, and guard Patrick Mecari run a drill during an NFL football training camp practice, Wednesday, July 28, 2021, in Owings Mills, Md.

Las Vegas Raiders wide receiver Trey Quinn makes a catch during an NFL football practice Wednesday, July 28, 2021, in Henderson, Nev.

Las Vegas Raiders wide receiver John Brown performs drills during an NFL football practice Wednesday, July 28, 2021, in Henderson.

Tennessee Titans wide receiver Kalija Lipscomb (19) catches a pass in front of cornerback Quenton Meeks (40) during NFL football training camp Wednesday, July 28, 2021, in Nashville, Tenn.

Denver Broncos defensive back P.J. Locke takes part in drills at an NFL football training camp at team headquarters Wednesday, July 28, 2021, in Englewood, Colo.

Las Vegas Raiders quarterbacks Marcus Mariota (8), Derek Carr (4) and Nathan Peterman perform drills during an NFL football practice Wednesday, July 28, 2021, in Henderson.

Baltimore Ravens Marquise Brown looks to the fans during an NFL football training camp practice, Wednesday, July 28, 2021, in Owings Mills, Md.

Tennessee Titans wide receiver A.J. Brown (11) runs a drill during NFL football training camp Wednesday, July 28, 2021, in Nashville, Tenn.

Tennessee Titans quarterback Ryan Tannehill (17) throws a pass during NFL football training camp Wednesday, July 28, 2021, in Nashville, Tenn.

Las Vegas Raiders linebacker Cory Littleton performs drills during an NFL football practice Wednesday, July 28, 2021, in Henderson, Nev.

Indianapolis Colts running back Jonathan Taylor runs a drill during practice at the NFL team's football training camp in Westfield, Ind., Wednesday, July 28, 2021.

Houston Texans quarterback Tyrod Taylor (5) throws the ball during NFL football practice Wednesday, July 28, 2021, in Houston.

New York Jets wide receiver's Matt Cole (19), Manasseh Bailey (3), Jeff Smith (16) and D.J. Montgomery (14) line up to run a drill during NFL football practice Wednesday, July 28, 2021, in Florham Park, N.J.

New York Jets running back Tevin Coleman makes a catch during NFL football practice Wednesday, July 28, 2021, in Florham Park, N.J.

New York Jets running back Ty Johnson rushes during NFL football practice Wednesday, July 28, 2021, in Florham Park, N.J.

New York Jets quarterback Mike White tosses the ball during NFL football practice Wednesday, July 28, 2021, in Florham Park, N.J.

New York Jets offensive tackle Grant Hermanns during blocking drills at NFL football practice Wednesday, July 28, 2021, in Florham Park, N.J.

Indianapolis Colts quarterback Carson Wentz runs a drill during practice at the NFL team's football training camp in Westfield, Ind., Wednesday, July 28, 2021.

Indianapolis Colts wide receiver T.Y. Hilton runs a drill during practice at the NFL team's football training camp in Westfield, Ind., Wednesday, July 28, 2021.

New England Patriots quarterback Brian Hoyer winds up to pass the ball during an NFL football practice, Wednesday, July 28, 2021, in Foxborough, Mass.

Indianapolis Colts special teams coordinator Bubba Ventrone runs a drill during practice at the NFL team's football training camp in Westfield, Ind., Wednesday, July 28, 2021.

Philadelphia Eagles tight end Jason Croom keeps his eye on the ball during practice at NFL football training camp, Wednesday, July 28, 2021, in Philadelphia.

Houston Texans players line up during NFL football practice Wednesday, July 28, 2021, in Houston.

Houston Texans quarterback Deshaun Watson (4) throws the ball during NFL football practice Wednesday, July 28, 2021, in Houston.

Philadelphia Eagles quarterback Jalen Hurts stretches during practice at NFL football training camp, Wednesday, July 28, 2021, in Philadelphia.

Philadelphia Eagles quarterback Jalen Hurts, left, warms up with quarterback Joe Flacco, center, and quarterback Nick Mullens, right, during practice at NFL football training camp, Wednesday, July 28, 2021, in Philadelphia.

Washington Football Team wide receiver Terry McLaurin (17) runs a route during NFL football practice in Richmond, Va., Wednesday, July 28, 2021.

Houston Texans running back Dontrell Hilliard (22) catches a ball during NFL football practice Wednesday, July 28, 2021, in Houston.

Washington Football Team wide receiver Steven Sims (15) catches a pass during NFL football practice in Richmond, Va., Wednesday, July 28, 2021.

Washington Football Team quarterbacks Kyle Allen (8), Taylor Heinicke (4) and Ryan Fitzpatrick (14) throw passes during NFL football practice in Richmond, Va., Wednesday, July 28, 2021.

Washington Football Team defensive end Chase Young (99) acknowledges fans during NFL football practice in Richmond, Va., Wednesday, July 28, 2021.

Washington Football Team tight end Logan Thomas (82) catches a pass during NFL football practice in Richmond, Va., Wednesday, July 28, 2021.

New England Patriots free safety Devin McCourty, left, speaks with offensive coordinator Josh McDaniels as they step on the field at the start of an NFL football practice, Wednesday, July 28, 2021, in Foxborough, Mass.

Washington Football Team quarterbacks Taylor Heinicke (4) and Ryan Fitzpatrick (14) throw passes during NFL football practice in Richmond, Va., Wednesday, July 28, 2021.

New England Patriots quarterback Mac Jones passes the ball during an NFL football practice, Wednesday, July 28, 2021, in Foxborough, Mass.

New England Patriots running back James White, left, receives a handoff from quarterback Mac Jones, right, during an NFL football practice, Wednesday, July 28, 2021, in Foxborough, Mass.

Washington Football Team quarterbacks Ryan Fitzpatrick (14) and Steven Montez (6) take the field during NFL football practice in Richmond, Va., Wednesday, July 28, 2021.

Detroit Lions quarterbacks Jared Goff, right, David Blough (10) and Tim Boyle (12) run through a drill at the Lions NFL football camp practice, Wednesday, July 28, 2021, in Allen Park, Mich.

New England Patriots tight end Jonnu Smith, right, catches the ball while performing a field drill as tight end Hunter Henry (85) looks on during an NFL football practice, Wednesday, July 28, 2021, in Foxborough, Mass.

Detroit Lions receiver Quintez Cephus catches during a drill at the Lions NFL football camp practice, Wednesday, July 28, 2021, in Allen Park, Mich.

Detroit Lions head coach Dan Campbell greets offensive linebacker Charles Harris before drills at the Lions NFL football camp practice, Wednesday, July 28, 2021, in Allen Park, Mich.

Baltimore Ravens quarterbacks Tyler Huntley, right, and Trace McSorley throw during an NFL football training camp practice, Wednesday, July 28, 2021, in Owings Mills, Md.

Detroit Lions linebacker Jehlani Tavai (51) warms up before drills at the Lions NFL football camp practice, Wednesday, July 28, 2021, in Allen Park, Mich.

Philadelphia Eagles wide receiver DeVonta Smith catches the ball during practice at NFL football training camp, Wednesday, July 28, 2021, in Philadelphia.

Philadelphia Eagles running back Miles Sanders runs a drill during practice at NFL football training camp, Wednesday, July 28, 2021, in Philadelphia.

Baltimore Ravens tackle Alejandro Villanueva looks on during practice during an NFL football training camp practice, Wednesday, July 28, 2021, in Owings Mills, Md.

Los Angeles Rams quarterback Matthew Stafford signals during practice at NFL football training camp Wednesday, July 28, 2021, in Irvine, Calif.

Atlanta Falcons quarterback Matt Ryan (2) throws during the team's NFL training camp football practice in Flowery Branch, Ga. Thursday, July 29, 2021.

Carolina Panthers linebacker Shaq Thompson throws the football during practice at the NFL football team's training camp in Spartanburg, S.C., Thursday, July 29, 2021.

Carolina Panthers defensive ends Marquis Haynes, left, and Yetur Gross-Matos walk onto a practice field at the NFL football team's training camp in Spartanburg, S.C., Thursday, July 29, 2021.

Arizona Cardinals running back James Conner runs with the ball during NFL football training camp practice, Wednesday, July 28, 2021, in Glendale, Ariz.

Dallas Cowboys tight end Sean McKeon (84) reaches for a pass as safety Tyler Coyle (39) defends at practice at the NFL football team's training camp in Oxnard, Calif., Wednesday, July 28, 2021.

Los Angeles Rams defensive end Aaron Donald takes a rest during an NFL football camp practice Wednesday, July 28, 2021, in Irvine, Calif.

Carolina Panthers wide receiver Krishawn Hogan runs after a catch during practice at the NFL football team's training camp in Spartanburg, S.C., Thursday, July 29, 2021.

Dallas Cowboys linebacker Jaylon Smith, center, during practice at the NFL football team's training camp in Oxnard, Calif., Wednesday, July 28, 2021.

Arizona Cardinals quarterback Kyler Murray throws the football during NFL football training camp practice, Wednesday, July 28, 2021, in Glendale, Ariz.

Los Angeles Rams defensive back Jalen Ramsey smiles during an NFL football camp practice Wednesday, July 28, 2021, in Irvine, Calif.

Seattle Seahawks defensive players run on the field as fans watch NFL football practice Wednesday, July 28, 2021, in Renton, Wash.

Seattle Seahawks wide receiver Tyler Lockett makes a catch during NFL football practice Wednesday, July 28, 2021, in Renton, Wash.

San Francisco 49ers quarterback Jimmy Garoppolo throws a pass at NFL football training camp in Santa Clara, Calif., Wednesday, July 28, 2021.

Philadelphia Eagles tight end Zach Ertz looks on during practice at NFL football training camp, Wednesday, July 28, 2021, in Philadelphia.

Seattle Seahawks quarterback Russell Wilson passes during NFL football practice, Wednesday, July 28, 2021, in Renton, Wash.

Seattle Seahawks strong safety Jamal Adams walks off the field after NFL football practice Wednesday, July 28, 2021, in Renton, Wash.

Las Vegas Raiders defensive end Kendal Vickers performs a drill during an NFL football practice Thursday, July 29, 2021, in Henderson, Nev.

New Orleans Saints running back Alvin Kamara (41) runs with the ball during NFL football training camp in Metairie, Thursday, July 29, 2021.

Jacksonville Jaguars quarterback Trevor Lawrence (16) works out during NFL football training camp, Thursday, July 29, 2021, in Jacksonville, Fla.

New Orleans Saints offensive tackle Terron Armstead (72) flexes during NFL football training camp in Metairie, Thursday, July 29, 2021.

Denver Broncos quarterback Teddy Bridgewater takes part in drills at an NFL football training camp at team headquarters Thursday, July 29, 2021, in Englewood, Colo.

Las Vegas Raiders defensive end Carl Nassib looks on during an NFL football practice Thursday, July 29, 2021, in Henderson, Nev.

New Orleans Saints quarterback Taysom Hill (7) talks with running back Dwayne Washington (24) and running back Alvin Kamara (41) during NFL football training camp in Metairie, Thursday, July 29, 2021.

Chicago Bears quarterbacks Nick Foles, left, and Andy Dalton watch as quarterback Justin Fields, right, looks to pass during NFL football practice in Lake Forest, Ill., Thursday, July 29, 2021.

Atlanta Falcons rookie tight end Kyle Pitts (8) works at the team's NFL training camp football practice in Flowery Branch, Ga. Thursday, July 29, 2021.

New Orleans Saints running back Alvin Kamara (41) flips his hair while stretching during NFL football training camp in Metairie, Friday, July 30, 2021.

Baltimore Ravens guard Tyre Phillips cools off during an NFL football training camp practice, Friday, July 30, 2021, in Owings Mills, Md.

Las Vegas Raiders defensive tackle Solomon Thomas runs a drill during NFL football practice Friday, July 30, 2021, in Henderson, Nev.

Minnesota Vikings fullback C.J. Ham runs a drill during NFL football training camp Friday, July 30, 2021, in Eagan, Minn.

New Orleans Saints quarterback Jameis Winston (2) and quarterback Taysom Hill (7) take snaps during NFL football training camp in Metairie, Friday, July 30, 2021.

New England Patriots quarterback Cam Newton gestures during an NFL football practice, Friday, July 30, 2021, in Foxborough, Mass.

Denver Broncos linebacker A.J. Johnson takes part in drills at an NFL football training camp at team headquarters Friday, July 30, 2021, in Englewood, Colo.

Arizona Cardinals quarterback Kyler Murray throws the ball during NFL football training camp practice, Friday, July 30, 2021, in Glendale, Ariz.

Tennessee Titans running back Derrick Henry (22) runs a drill during NFL football training camp Friday, July 30, 2021, in Nashville, Tenn.

An injured Arizona Cardinals defensive end J.J. Watt, right, talks with Cardinals defensive end Chandler Jones during NFL football training camp practice, Friday, July 30, 2021, in Glendale, Ariz.

Minnesota Vikings quarterback Kirk Cousins (8) throws during a NFL training camp Friday, July 30, 2021, in Eagan, Minn.

Arizona Cardinals strong safety Budda Baker (3) protects the football from Cardinals defensive back Chris Banjo (31) and Cardinals wide receiver Christian Kirk (13) during NFL football training camp practice, Friday, July 30, 2021, in Glendale, Ariz.

Carolina Panthers running back Christian McCaffrey carries the football during practice at the NFL football team's training camp in Spartanburg, S.C., Tuesday, Aug. 10, 2021.

Members of the Cincinnati Bengals take part in NFL football practice in Cincinnati, Tuesday, Aug. 10, 2021.

Members of the Cincinnati Bengals' offensive line participates in a drill against the defense during an NFL football practice in Cincinnati, Tuesday, Aug. 10, 2021.

Dallas Cowboys quarterback Dak Prescott (4) did some light throwing for the first time in two weeks during an NFL football training camp practice Tuesday, Aug 10, 2021, in Oxnard, Calif.

Cincinnati Bengals' Brandon Allen participates in a drill during an NFL football practice in Cincinnati, Tuesday, Aug. 10, 2021.

Cincinnati Bengals' Trey Hill, left, participates in a drill against Mike Jordan, right, during NFL football practice in Cincinnati, Tuesday, Aug. 10, 2021.

Baltimore Ravens Derek Wolfe during an NFL football practice, Tuesday, Aug. 10, 2021 in Owings Mills, Md.

Dallas Cowboys receiver Amari Cooper (19) catches a pass during an NFL football training camp practice Tuesday, Aug 10, 2021, in Oxnard, Calif.

Baltimore Ravens defensive end Calais Campbell during an NFL football practice, Tuesday, Aug. 10, 2021 in Owings Mills, Md.

Denver Broncos linebacker Jonathon Cooper, left, jokes with outside linebacker Von Miller after an NFL football training camp practice at the team's headquarters Tuesday, Aug. 10, 2021, in Englewood, Colo.

Denver Broncos quarterback Drew Lock, front, heads off the practice field with, from back left, quarterback Teddy Bridgewater (5), quarterbacks coach Mike Shula and offensive quality control coach Chris Cook after an NFL football training camp practice at the team's headquarters Tuesday, Aug. 10, 2021, in Englewood, Colo.

San Francisco 49ers linebacker Elijah Sullivan gestures toward fans at NFL football training camp in Santa Clara, Calif., Tuesday, Aug. 10, 2021.

Baltimore Ravens wide receiver Marquise Brown after an NFL football practice, Tuesday, Aug. 10, 2021 in Owings Mills, Md.

New Orleans Saints quarterback Jameis Winston (2) throws during NFL football training camp in Metairie, Tuesday, Aug. 10, 2021.

Washington Football Team wide receiver Terry McLaurin (17) catches a pass during practice at the team's NFL football training facility, Tuesday, Aug. 10, 2021, in Ashburn, Va.

New Orleans Saints quarterback Trevor Siemian (15) passes during NFL football training camp in Metairie, La., Tuesday, Aug. 10, 2021.

Carolina Panthers tackle Taylor Moton wears a Guardian Cap over his helmet to provide an extra layer of protection during practice at the NFL football team's training camp in Spartanburg, S.C., Tuesday, Aug. 10, 2021.

Washington Football Team quarterback Ryan Fitzpatrick (14) throws during practice at the team's NFL football training facility, Tuesday, Aug. 10, 2021, in Ashburn, Va.

New Orleans Saints running back Alvin Kamara (41) runs for a drill during NFL football training camp in Metairie, Tuesday, Aug. 10, 2021.