Denver Broncos
Agreed to terms with linebacker John Mobley and guard Dan Neil on multi-year contracts.

New Orleans Saints
Signed cornerback Kevin Mathis to a five-year contract.

New York Giants
Re-signed cornerback Jason Sehorn to a six-year contract.

Pittsburgh Steelers
Re-signed running back Jerome Bettis to a six-year contract.

Seattle Seahawks
Acquired quarterback Matt Hasselbeck from the Green Bay Packers for undisclosed 2001 draft choices.

St. Louis Rams
Agreed to terms with kicker Jeff Wilkins on a five-year contract and with wide receiver Darrius Blevins, linebacker Dustin Cohen, fullback James Hodgins, defensive tackle Gaylon Hyder, strong safety Shevin Smith and guard Pete Swanson on one-year contracts.

Tampa Bay Buccaneers
Claimed quarterback Ryan Leaf off waivers from the San Diego Chargers.

Tennessee Titans
Signed wide receiver Derrick Mason to a five-year contract.

Canadian Football League
Named Shawn Lackie vice president of communications.