Cincinnati Bengals at Pittsburgh Steelers 12/30/2018

Pittsburgh Steelers wide receiver Antonio Brown stands along the sideline in street clothes before an NFL football game against the Cincinnati Bengals, Sunday, Dec. 30, 2018, in Pittsburgh. (AP Photo/Don Wright)

In this photo from Dec. 30, 2018, Pittsburgh Steelers wide receiver Antonio Brown stands on the sideline before an NFL football game against the Cincinnati Bengals, in Pittsburgh. Pittsburgh Steelers head coach Mike Tomlin says he's disappointed in the behavior of star wide receiver Antonio Brown but added the team has not received any formal trade request from Brown's camp. Brown did not play in Pittsburgh's victory over Cincinnati in the regular season finale due in part to a lack of communication from Brown about his health. (AP Photo/Gene J. Puskar)

In this photo from Dec. 30, 2018, Pittsburgh Steelers wide receiver Antonio Brown stands on the sideline before an NFL football game against the Cincinnati Bengals, in Pittsburgh. Pittsburgh Steelers head coach Mike Tomlin says he's disappointed in the behavior of star wide receiver Antonio Brown but added the team has not received any formal trade request from Brown's camp. (AP Photo/Don Wright)

In this photo from Dec. 30, 2018, Pittsburgh Steelers wide receiver Antonio Brown stands on the sideline before an NFL football game against the Cincinnati Bengals, in Pittsburgh. Pittsburgh Steelers head coach Mike Tomlin says he's disappointed in the behavior of star wide receiver Antonio Brown but added the team has not received any formal trade request from Brown's camp.(AP Photo/Don Wright)

In this photo from Dec. 30, 2018, Pittsburgh Steelers wide receiver Antonio Brown, left, talks to former Steelers quarterback Charlie Batch as he stands on the sideline before an NFL football game against the Cincinnati Bengals, in Pittsburgh. Pittsburgh Steelers head coach Mike Tomlin says he's disappointed in the behavior of star wide receiver Antonio Brown but added the team has not received any formal trade request from Brown's camp. (AP Photo/Don Wright)

File- This Dec. 30, 2018, file photo shows, Pittsburgh Steelers head coach Mike Tomlin during an NFL football game against the Cincinnati Bengals, in Pittsburgh. With only a handful of minorities in the stepping-stone positions of offensive coordinator and quarterbacks coach, the NFL saw its sharpest-ever one-year drop in minority head coaches, causing concern among advocates for diversity declaring unsatisfactory progress 16 years after the Rooney Rule was implemented. (AP Photo/Gene J. Puskar, File)

FILE - In this Dec. 30, 2018, file photo, Pittsburgh Steelers defensive end Cameron Heyward (97) plays against the Cincinnati Bengals in an NFL football gamein Pittsburgh. Heyward isn't sure what his future holds. The club hasn't contacted the Pro Bowler about an extension as he enters the final year of his current deal. (AP Photo/Don Wright, File)