Boston Red Sox -- Placed P Daryl Irvine (0-0, 6.00 ERA) on the 15-day DL retroactive to Thursday. Recalled P Jeff Plympton from Class AAA Pawtucket.
Cincinnati Reds -- Optioned P Jack Armstrong (6-10, 5.57) to Class AAA Nashville. Placed OF Eric Davis (exhaustion and lower-back pain) on the 15-day DL retroactive to Wednesday. Called up P Mo Sanford and OF Chris Jones from Nashville.
Houston Astros -- Placed C Scott Servais (no hits in 13 at-bats) on the 15-day DL. Called up C Tony Eusebio from Class AA Jackson.
New York Mets -- Waived 2B Tommy Herr (.194, 1 homer, 14 RBI). Recalled P Anthony Young from Class AAA Tidewater.
Oakland Athletics -- Optioned P Bruce Walton (1-0, 5.19) and P Joe Slusarski (3-4, 4.66) to Class AAA Tacoma. Activated P Ron Darling and IF Scott Brosius.
San Francisco Giants -- Assigned OF Mike Kingery (.188, 0, 8) to Class AAA Phoenix. Recalled IF Greg Litton from Phoenix.
Seattle Seahawks -- Signed RB Derrick Fenner to a 1-year contract.
Tulsa (National Professional Soccer League) -- Named Victor Moreland player-coach.