BASEBALL American League
* TEXAS RANGERS -- Purchased the contract of Doug Davis, catcher, from Oklahoma City of the American Association. Designated Mike Campbell, pitcher, for reassignment. Activated Brian Bohanon, pitcher, from the 15-day disabled list and was optioned to Tulsa of the Texas League. Announced Todd Burns, pitcher, has cleared waivers and was assigned to Oklahoma City.
* MONTREAL EXPOS -- Placed Darrin Fletcher, catcher, on the 15-day disabled list. Recalled Darren Reed, outfielder, from his injury-rehabilitation assignment at West Palm Beach of the Florida State League.
BASKETBALL National Basketball Association
* LOS ANGELES LAKERS -- Announced the resignation of Mike Dunleavy, coach, so he can take the head coaching position with the Milwaukee Bucks.
* NEW JERSEY NETS -- Announced the resignation of Bill Fitch, coach.
Global Basketball League
* FAYETTEVILLE FLYERS -- Promoted Jim Brown, director of marketing, to general manager.
* HUNTSVILLE STARS -- Named Jeff Walker coach and general manager and Ted Matsos assistant general manager and director of business operations.
United States Basketball League
* PHILADELPHIA SPIRIT -- Traded Marc Dowdell, forward, to the New Jersey Jammers fro future considerations.
FOOTBALL National Football League
* CLEVELAND BROWNS -- Waived John Talley, tight end.
* HOUSTON OILERS -- Signed Jeff Kiziah, guard; Kevin Long and Charles Pharms, safeties; John Nee, offensive tackle; Curtis Reed, wide receiver; and Jeroy Robinson, linebacker.
* KANSAS CITY CHIEFS -- Signed Doug Terry, defensive back; Marcus Grant and Byron Jackson, wide receivers; and Santo Stephens, linebacker.
* NEW YORK GIANTS -- Signed Merton Harris, wide receiver, and Brian Allred, cornerback.
* SAN ANTONIO RIDERS -- Signed Dewaine Jones, fullback.
HOCKEY National Hockey League
* HARTFORD WHALERS -- Fired Ed Johnston, general manager.
* USA BASKETBALL -- Named Portland guard Clyde Drexler and Duke center Christian Laettner to the Olympic team.
SOCCER American Professional Soccer League
* TAMPA BAY ROWDIES -- Acquired Ralph Black, defender, on loan from the Tacoma Stars of the Major Soccer League.
* BAYLOR -- Named Darrel Johnson men's basketball coach and signed him to a five-year contract.
* DENISON -- Named Guy Neal men's basketball coach.
* DUKE -- Named Carla Werden women's assistant soccer coach.
* FROSTBURG STATE -- Named Mike McGlinchey football coach.
* MANHATTAN -- Retained Ed Beglane, men's assistant basketball coach.
* OKLAHOMA -- Announced Anthony Cade, center, win forego his senior year to enter the NBA draft.
* PITTSBURGH -- Named Bethann Shapiro and Kathy O'Connell women's assistant basketball coaches.
* PRATT -- Announced the resignation of Fred Aupont, men's soccer coach. Named Michael Blake men's soccer coach.
* TEMPLE -- Named Jim Brown assistant athletic director in charge of business operations.