FILE - In this Nov. 8, 2018, file photo, a Pittsburgh Steelers fan holds a Le'Veon Bell jersey during the second half of an NFL football game between the Steelers and the Carolina Panthers in Pittsburgh. The steady exodus of mid-level veterans from the NFL is one element of a long-standing tension between players and the league over the structuring of contracts. The contract holdouts by Bell and Earl Thomas this season put the issue into vivid focus. (AP Photo/Don Wright, File)

FILE - In this Nov. 8, 2018, file photo, Pittsburgh Steelers quarterback Ben Roethlisberger throws a touchdown pass during the first half of the team's NFL football game against the Carolina Panthers in Pittsburgh. The Pittsburgh Steelers have reiterated repeatedly during an eventful offseason that quarterback Ben Roethlisberger remains the team's unquestioned leader. They've handed him a new deal to prove it. The Steelers and the two-time Super Bowl winner agreed to terms on a contract extension Wednesday, April 24, 2019, that will keep Roethlisberger in Pittsburgh through the 2021 season. (AP Photo/Keith Srakocic)

FILE - In this Nov. 9, 2018, file photo, Carolina Panthers quarterback Cam Newton talks with reporters following a 52-21 loss to the Pittsburgh Steelers in an NFL football game in Pittsburgh. The Panthers are parting ways with Cam Newton. Carolina general manager Marty Hurney said Tuesday, March 17, 2020, via Twitter the team is giving the 31-year-old quarterback permission to seek a trade _ although the former league MVP responded by saying he never requested one. (AP Photo/Don Wright, File)