BASEBALL

American League

KANSAS CITY ROYALS-Designated LHP Ron Mahay for assignment. Purchased the contract of RHP Yasuhiko Yabuta from Omaha (PCL).

TORONTO BLUE JAYS-Activated LHP Scott Downs from the 15-day DL. Placed 3B Edwin Encarnacion on the 15-day DL, retroactive to Aug. 21.

National League

COLORADO ROCKIES-Agreed to terms with 1B Jason Giambi on a minor league contract.

NEW YORK METS-Recalled LHP Ken Takahashi from Buffalo (IL). Optioned LHP Pat Misch to Buffalo. Announced INF Andy Green cleared waivers and was assigned to Buffalo.

SAN DIEGO PADRES-Named Jarrod Dillon vice president, ticket sales and service.

FOOTBALL

National Football League

CAROLINA PANTHERS-Signed S Kevin Kaesviharn. Waived WR Jason Carter.

CINCINNATI BENGALS-Signed DT Langston Moore.

CLEVELAND BROWNS-Signed DB Tra Battle, OL Corey Hilliard and TE Nate Jackson. Terminated the contract of OL George Foster. Waived TE John Madsen and DL Mel Purcell.

JACKSONVILLE JAGUARS-Signed LB Adam Seward. Re-signed WR Maurice Dupree. Waived LB Lamar Myles and WR Andy Strickland.

KANSAS CITY CHIEFS-Waived LB Vince Redd.

MIAMI DOLPHINS-Terminated the contract of TE Ernest Wilford. Waived RB Anthony Kimble, NT Joe Cohen, LB Orion Martin and LB Tearrius George. Placed WR Chris Williams on waived-injured. Traded OL Andy Alleman and OL Ikechuku Ndukwe to Kansas City for an undisclosed 2010 draft pick.

OAKLAND RAIDERS-Signed LB Napoleon Harris, Released CB Ricky Manning Jr.

SAN DIEGO CHARGERS-Signed QB Philip Rivers to a a six-year contract extension through 2015.

SAN FRANCISCO 49ERS-Activated DE Ray McDonald from the physically unable to perform list.

TAMPA BAY BUCCANEERS-Placed LB Angelo Crowell on injured reserve. Signed CB Darrell Hunter and LB Bo Ruud.

TENNESSEE TITANS-Released WR Chris Davis and OL Doug Datish.

COLLEGE

OTTERBEIN-Named Mark Paluszak men's and women's golf coach.

POINT PARK-Announced men's basketball G Marcus Robinson is transferring from Clarion.

THIEL-Announced the resignation of women's basketball coach Peachy Trader, effective Aug. 31, to take the same position at North Carolina Wesleyan.