Fan cheer during Steelers practice on Friday, July 30, 2021, at Heinz Field. (Emily Matthews/Post-Gazette)Steelers defensive end Tyson Alualu catches the ball during practice on Friday, July 30, 2021, at Heinz Field. (Emily Matthews/Post-Gazette)Steelers wide receiver Rico Bussey catches the ball during practice on Friday, July 30, 2021, at Heinz Field. (Emily Matthews/Post-Gazette)Steelers safety Terrell Edmunds tosses the ball as he stretches with his teammates during practice on Friday, July 30, 2021, at Heinz Field. (Emily Matthews/Post-Gazette)Steelers linebacker Buddy Johnson stretches with his teammates during practice on Friday, July 30, 2021, at Heinz Field. (Emily Matthews/Post-Gazette)Steelers coach Mike Tomlin watches his players stretch during practice on Friday, July 30, 2021, at Heinz Field. (Emily Matthews/Post-Gazette)Steelers quarterback Mason Rudolph throws the ball during practice on Friday, July 30, 2021, at Heinz Field. (Emily Matthews/Post-Gazette)Steelers quarterback Mason Rudolph throws the ball during practice on Friday, July 30, 2021, at Heinz Field. (Emily Matthews/Post-Gazette)Steelers wide receiver JuJu Smith-Schuster walks on the field with his teammates during practice on Friday, July 30, 2021, at Heinz Field. (Emily Matthews/Post-Gazette)Steelers offensive tackle Joe Haeg, left, and tight end Zach Gentry bump helmets after a play during practice on Friday, July 30, 2021, at Heinz Field. (Emily Matthews/Post-Gazette)Steelers linebackers Tegray Scales, left, and Jamir Jones face off during practice on Friday, July 30, 2021, at Heinz Field. (Emily Matthews/Post-Gazette)Steelers running back Najee Harris, left, and linebacker Marcus Allen face off during practice on Friday, July 30, 2021, at Heinz Field. (Emily Matthews/Post-Gazette)Steelers wide receiver Tyler Simmons runs with the ball during practice on Friday, July 30, 2021, at Heinz Field. (Emily Matthews/Post-Gazette)Steelers wide receiver Tyler Simmons falls while maintaining possession of the ball during practice on Friday, July 30, 2021, at Heinz Field. (Emily Matthews/Post-Gazette)Steelers tight end Pat Freiermuth runs with the ball during practice on Friday, July 30, 2021, at Heinz Field. (Emily Matthews/Post-Gazette)Steelers tight end Kevin Rader maintains possession of the ball and scores a touchdown during practice on Friday, July 30, 2021, at Heinz Field. (Emily Matthews/Post-Gazette)Steelers tight end Kevin Rader walks out of the end zone after scoring a touchdown during practice on Friday, July 30, 2021, at Heinz Field. (Emily Matthews/Post-Gazette)