Baseball
Cincinnati Reds -- Activated P Rob Dibble from the 15-day DL.
Minnesota Twins -- Recalled P Larry Casian from Triple-A Portland. Removed P George Tsamis from the active roster.
San Diego Padres -- Purchased the contract of C Kevin Higgins from Triple-A Las Vegas.
Basketball
Philadelphia 76ers -- Exercised their option to buy out the contract of F Armon Gilliam, making him a free agent.
College
Chapman -- Named Mary Hegarty women's basketball coach.
Massachusetts -- Named David Peters assistant hockey coach.
St. Mary's -- Signed women's basketball coach Terri Rubenstein to a four-year contract extension.
Football
San Francisco 49ers -- Signed K Wilson Hoyle. Named Ron Juanso publications coordinator and Steve Little physical development assistant.
Horse racing
Belmont Park -- Suspended trainer Dominick Galluscio for 60 days because one of his horses tested positive for two prohibited substances after a race April 3.
