Pittsburgh Steelers outside linebacker Bud Dupree, right, talks with fullback Roosevelt Nix-Jones (45) as he rides by on his electric scooter as the team arrives for NFL football training camp in Latrobe, Pa., Thursday, July 25, 2019.

Chicago Bears running back Tarik Cohen arrives for an NFL football training camp in Bourbonnais, Ill., Thursday, July 25, 2019.

Pittsburgh Steelers wide receiver Eli Rogers, carries a barbell past the the side of a semi-truck he arrived on for NFL football training camp in Latrobe, Pa., Thursday, July 25, 2019.

Pittsburgh Steelers cornerback Joe Haden rolls suitcases past his car as he arrives for NFL football training camp in Latrobe, Pa., Thursday, July 25, 2019.

Pittsburgh Steelers outside linebacker James Harrison arrives in a Saint Vincent Fire Department firetruck for NFL football training camp in Latrobe, Pa., Thursday, July 27, 2017 . (AP Photo/Keith Srakocic)

Pittsburgh Steelers wide receiver Antonio Brown, left, poses for photos after he arrived in a chauffer driven 1931 Rolls Royce Phantom 1 for NFL football training camp in Latrobe, Pa., Thursday, July 27, 2017 . (AP Photo/Keith Srakocic)

Pittsburgh Steelers defensive end Stephon Tuitt carries supplies as he arrives for NFL football training camp in Latrobe, Pa., Thursday, July 27, 2017.

Chicago Bears punter Pat O'Donnell, left, and kicker Connor Barth, right, arrive in a McLaren during an NFL football training camp in Bourbonnais, Ill., on Wednesday, July 26, 2017.

Carolina Panthers' Jonathan Stewart's car sits outside the dorms as the NFL team's players arrive for the beginning for training camp at Wofford College in Spartanburg, S.C., on Tuesday, July 25, 2017.

Carolina Panthers' Thomas Davis' ATV is parked outside a team area at the NFL team's training camp at Wofford College in Spartanburg, S.C., Wednesday, July 26, 2017. (AP Photo/Chuck Burton)

Indianapolis Colts receiver Reggie Wayne, left, poses with race driver Ed Carpenter, and Carpenter's two sons Ryder and Cruz after he arrived in a two-seat IndyCar driven by Carpenter as he and other players arrived for the NFL team's football training camp in Anderson, Ind., on Wednesday, July 23, 2014.

Pittsburgh Steelers wide receiver Antonio Brown stands in front of his custom Rolls Royce with a Pittsburgh Steelers theme as he arrives for NFL football camp at the team training facility in Latrobe, Pa., on Thursday, July 28, 2016.

Pittsburgh Steelers defensive lineman Brett Keisel drives a tractor for his arrival at the NFL football team's training camp in Latrobe, Pa., on Wednesday, July 25, 2012.

Pittsburgh Steelers defensive back Keenan Lewis gets out of a Smart car as he arrives for training camp in Latrobe, Pa., on Wednesday, July 25, 2012.

Pittsburgh Steelers free safety Tyrone Carter stands by his modified 1975 Caprice Classic convertible as he arrives for the beginning of training camp at the team facility in Latrobe, Pa., on Friday, July 28, 2006.

Pittsburgh Steelers' Deshea Townsend drives his 1971 Oldsmobile Cutlass Supreme into camp as he arrives for the beginning of football training camp at the team facility in Latrobe, Pa. on Friday, July 28, 2006. Townsend was one of four Steelers to arrive in classic convertibles from the 60's or 70's.

Pittsburgh Steelers quarterback Ben Roethlisberger drives up the driveway by the dormitories as he arrives at the team's training camp in Latrobe, Pa., Friday, July 30, 2010.

Indianapolis Colts wide receiver Reggie Wayne walks away from an IU Health LifeLine helicopter after he arrived with Riley Hospital patient Matt Sercer, 20, from Plainfield, Ind., as he reported for the NFL team's football training camp in Anderson, Ind., on Saturday, July 27, 2013.

Pittsburgh Steelers linebacker James Harrison, who weighs 275 pounds, drives a subcompact car as he arrives at training camp in Latrobe, Pa., on Friday, July 31, 2009.

Pittsburgh Steelers wide receiver Antonio Brown gets out of his custom Rolls Royce with a Pittsburgh Steelers theme as he arrives for training camp at the team training facility in Latrobe, Pa., on Thursday, July 28, 2016.

Pittsburgh Steelers defensive end Brett Keisel drives an off-road dump truck up the driveway towards the team dormitories as he arrives for the start of their NFL football training camp at the team training facility in Latrobe, Pa., on Friday, July 26, 2013.

Buffalo Bills' Dwayne Wright arrives for NFL football training camp at St. John Fisher College in Pittsford, N.Y., Thursday, July 24, 2008.

Carolina Panthers' Andre Neblett arrives at Wofford College for the beginning of the team's training camp in Spartanburg, S.C. on Friday, July 27, 2012.

Indianapolis Colts wide receiver Reggie Wayne, center, escorted by members of the 38th Aviation Brigade Recruiting Command, "reports for duty" as players arrive at the NFL team's football training camp in Anderson, Ind., on Saturday, July 28, 2012.