BASEBALL
Major League Baseball
American League
CLEVELAND GUARDIANS — Sent RF George Valera on a rehab assignment to Columbus (IL).
FOOTBALL
National Football League
WASHINGTON COMMANDERS — Signed DT D.J. Davidson to a contract.
HOCKEY
National Hockey League
PITTSBURGH PENGUINS — Sent F Ville Koivunen and F Rutger McGroarty to Wilkes-Barre/Scranton (AHL).
UTAH MAMMOTH — Sent F Daniil But to Tucson (AHL).
