Baseball

Boston Red Sox -- Placed SS Tim Naehring on the 15-day disabled list. Called up IF Mike Brumley from Class AAA Pawtucket.

California Angels -- Signed P Fernando Valenzuela to a 1-year contract and assigned him to Class A Palm Springs.

Chicago White Sox -- Placed C Ron Karkovice on the 15-day disabled list. Purchased the contract of C Don Wakamatsu from Class AAA Vancouver.

New York Mets -- Activated SS Kevin Elster from the 15-day disabled list. Optioned 3B Chris Donnels to Class AAA Tidewater.

Oakland Athletics -- Activated P Gene Nelson from the 15-day disabled list. Optioned P Bruce Walton to Class AAA Tacoma.

San Diego Padres -- Activated OF Jerald Clark from the 15-day disabled list. Waived P Eric Nolte for the purpose of giving him his unconditional release.

Colleges

Baylor -- Named Tim Jankovich men's assistant basketball coach.

RPI -- Signed Buddy Powers, hockey coach, to a 2-year contract extension.

Washington -- Named Barbara Hedges athletic director.

Football

Houston Oilers -- Signed G Doug Dawson, WR Pat Coleman, DE Keith Friberg, QB Tom Muecke, S Cleveland Colter and DT Ron Viaene.

Los Angeles Rams -- Signed QB Mike Pagel and S Mike Babb.

Hockey

Capital District Islanders (AHL) -- Extended the contract of Butch Goring, coach, for 1 year.