Diamondbacks: Agreed to $630,000, one-year contract with P Brad Clontz (1-3, 2.74 ERA, 2 saves in 56 games with Pirates), avoiding salary arbitration.
Pittsburgh: Named Kenny Carter running backs coach.
Southern California: Named Brian Schottenheimer tight ends coach.
Chargers: Signed free-agent C Roman Fortin to a two-year contract.
Dolphins: Signed Rams restricted free-agent C Ryan Tucker to three-year offer sheet. Waived FB Kantroy Barber after he failed physical.
Houston: Named Chuck Banker director of pro scouting.
Jets: Agreed to pay cut with T Jumbo Elliott.
Blackhawks: Recalled C Derek Plante from IHL Chicago and C-LW Kyle Calder from IHL Cleveland.
Lightning: Recalled D Ian Herbers from IHL Detroit.
Panthers: Activated G Trevor Kidd and LW Alex Hicks from IR; assigned them to AHL Louisville.
Jockey Club: Named Gary L. Carpenter executive VP and executive director, effective May 1.