* Minnesota Twins -- Signed Rusty Richards (pitcher) to a minor league contract with the Orlando of the Southern League.
* Seattle Mariners -- Placed Rich Amaral (shortstop) on the 15-day disabled list. Recalled Jeff Schaefer (shortstop) from Calgary of the Pacific Coast League.
* Texas Rangers -- Activated Nolan Ryan (pitcher) from the 15-day disabled list. Placed Bobby Witt (pitcher) on the 15-day disabled retroactive to May 27.
National League * San Diego Padres -- Extended the contract of Dick Freeman (president) through the 1992 season.
* Hartford Whalers -- Fired Rick Ley (coach).
COLLEGE * Jacksonville -- Named Glynn Cyprien assistant basketball coach.