BALTIMORE ORIOLES—Activated OF Jay Gibbons from the 15-day DL. Optioned OF Tim Raines, Jr., to Ottawa of the IL.
BOSTON RED SOX—Signed LHP Andrew Dobies, LHP Tommy Hottovy, RHP Ryan Schroyer, RHP Cla Meredity and C Patrick Perry.
CINCINNATI REDS—Purchased the contract of INF-OF Jermaine Clark from Louisville of the IL. Optioned RHP Joe Valentine to Louisville.
National Football League
BUFFALO BILLS—Signed CB Gerald Dixon and FS Jonathon Palafox. Released LB Dilibe Acholonu.
DENVER BRONCOS—Agreed to terms with LB Charles Burton, DE Randy Garner and G Tyler Lenda.
HOUSTON TEXANS—Signed C Luke Butkus, LB Antonio Rodriguez.
MIAMI DOLPHINS—Signed CB Todd Howard.
PITTSBURGH STEELERS—Signed K Rob Bironas to a one-year contract. Released K John Markham.
National Hockey League
DALLAS STARS—Signed RW Rob DiMaio and D Don Sweeney to one-year contracts.
PHILADELPHIA FLYERS—Signed C Keith Primeau to a four-year contract.