PITTSBURGH ─ The Steelers finalized their regular season roster today by releasing 21 players and placing another on the Reserve/Injured List to reach the NFL-mandated 53-player limit.

The team’s final roster includes three quarterbacks, four running backs, six wide receivers, three tight ends, nine offensive linemen, seven defensive linemen, eight linebackers, 10 defensive backs and three specialists (kicker, punter and long snapper).

The Steelers released the following players to reach their 53-man roster limit: quarterback Mike Reilly; running backs Carey Davis, Isaac Redman and Justin Vincent; wide receivers Dallas Baker, Tyler Grisham and Brandon Williams; tight end Dezmond Sherrod; offensive linemen Jason Capizzi, Jeremy Parquet and A.Q. Shipley; defensive linemen Sonny Harris, Steve McClendon and Scott Paxson; linebackers Bruce Davis, Tom Korte, Andy Schantz and Donovan Woods; defensive backs Roy Lewis and Anthony Madison; and kicker Piotr Czech.

Sixth-year veteran tight end Sean McHugh was placed on the team’s Reserve/Injured List and will miss the entire 2009 season after injuring his knee during training camp.

All NFL teams must trim their rosters to 53 players by 6 p.m. (ET) Saturday, September 5. Clubs may establish a practice squad of up to eight players after noon (ET) Sunday, Sept. 6.

The Steelers will kick off the NFL season at 8:30 p.m. Thursday, Sept. 10 when they host the Tennessee Titans at Heinz Field.