Movements in the world of football Monday:

National Football League

ATLANTA FALCONS-Re-signed C Joe Zelenka.

BUFFALO BILLS-Agreed to terms with OT Cornell Green on a three-year contract.

CAROLINA PANTHERS-Released FB Brad Hoover.

DETROIT LIONS-Re-signed TE Will Heller to a three-year contract. Signed WR Brian Clark to a one-year contract. Released DE Dewayne White. Acquired CB Chris Houston from Atlanta for 2010 fifth-and sixth-round draft picks.

HOUSTON TEXANS-Re-signed WR Kevin Walter and P Matt Turk.

MIAMI DOLPHINS-Agreed to terms with QB Chad Pennington on a one-year contract.

OAKLAND RAIDERS-Released WR Javon Walker and DE Greg Ellis.

PHILADELPHIA EAGLES-Agreed to terms with WR Jason Avant on a five-year contract.

PITTSBURGH STEELERS-Signed WR Arnaz Battle and S Will Allen.

SAN DIEGO CHARGERS-Claimed RB Marcus Mason off waivers from Washington.

SEATTLE SEAHAWKS-Traded QB Seneca Wallace to Cleveland for a 2011 undisclosed draft pick.

ST. LOUIS RAMS-Signed DT Fred Robbins.

TAMPA BAY BUCCANEERS-Acquired WR Reggie Brown from Philadelphia for a 2011 sixth-round draft pick.

WASHINGTON REDSKINS-Signed C Casey Rabach.

Canadian Football League

MONTREAL ALOUETTES-Re-signed DE Gavin Walls and OT Skip Seagraves. Signed QB Cody Pickett.