Cleveland Browns -- Released QB Paul McDonald, who had been their starter two years ago. If McDonald and his $675,000 contract are not claimed by Tuesday, he can negotiate as a free agent with any team. Tampa Bay -- Signed DB Craig Swoope, a fourth-round draft pick, and free agent LB Dennis Johnson. COLLEGES

Youngstown State -- Trustees voted to withdraw from the Ohio Valley Athletic Conference in the next two years. Travel costs and lack of fan support were cited as the primary reasons.

Florida State -- Announced retirement of Bob Harbison, who served as assistant football coach, teacher and administrator in 37 years at the school. Harbison, 59, will go into private business.

Bradley -- Named Lisa Boyer, an assistant at Virginia Tech last season, as head women's basketball coach. Boyer, 29, succeeds Angela Beck, who resigned to take head coaching job at Nebraska.

Rutgers -- Named Tom Haggerty, an assistant basketball coach at St. Joseph's (Pa.) the past two years, assistant basketball coach. BASEBALL

Chicago Cubs-New York Mets -- Yesterday's scheduled game in Chicago was postponed by rain. It has been rescheduled as part of a doubleheader Aug. 6.

Chicago Cubs -- Purchased the contract of RHP reliever Dave Gumpert from Class AAA Iowa; optioned RHP Jay Baller to Iowa.

New York Mets -- Signed free agent P Andrew Taylor, a selection in the June draft, and assigned him to Class A Little Falls.

Los Angeles Dodgers -- Placed 3B Bill Madlock (pulled groin muscle) on the 15-day disabled list, retroactive to June 25; called up Jeff Hamilton from Class AAA Albuquerque.

Toronto Blue Jays -- Recalled LPH Steve Davis; optioned RHP Don Gordon to Class AAA Syracuse. BASKETBALL

Amateur Basketball Association -- Named Maryland F Vicki Bullett to 12-member Women's Select Team that will represent the United States in the Canadian Invitational Tournament next month. The coach is Chris Weller of Maryland. HOCKEY

Buffalo Sabres -- C Gilbert Perreault, who announced his retirement June 17, said yesterday he might try to sign a new contract with the Sabres. Perreault, 35, becomes a free agent July 1, and several NHL teams have reportedly expressed interest in him. He had 503 goals and 807 assists in his career.