Baseball
Los Angeles Dodgers -- Acquired 3B Tim Wallach from the Montreal Expos for SS Tim Barker.
Oakland Athletics -- Signed 1B Mark McGwire to a five-year contract.
Basketball
NBA -- Fined Detroit Pistons C Bill Laimbeer $6,500 and Charlotte Hornets C Alonzo Mourning $5,000 for their parts in a fight Tuesday. Fined F Sidney Green and F Johnny Newman of the Hornets and F Mark Randall of the Pistons $500 each for leaving the bench during the fight.
