MORGAN-MCCLURE MOTORSPORTS (NASCAR): Fired driver Mike Skinner. Announced that Johnny Miller will drive in his place this weekend.
ASTROS: Designated P Jonathan Johnson for assignment. Purchased contract of P Ron Villone from Triple-A New Orleans.
BLUE JAYS: Claimed P Scott Service off waivers from Diamondbacks. Optioned P Mike Smith to Triple-A Syracuse.
CUBS: Recalled IF Bobby Hill from Triple-A Iowa. Optioned P Francis Beltran to Iowa.
INDIANS: Agreed to terms with 1B Michael Aubrey, first-round pick in 2003 draft.
MARINERS: Recalled P Rafael Soriano from Triple-A Tacoma. Optioned C Pat Borders to Tacoma.
MARLINS: Placed P Tim Spooneybarger on 15-day DL with tendinitis in right arm.
ORIOLES: Signed OF Jarod Rine, ninth-round draft choice. Recalled OF Larry Bigbie from rehabilitation assignment but did not activate him.
RANGERS: Released P Jamey Wright from contract with Triple-A Oklahoma.
REDS: Purchased contract of P Jimmy Anderson from Triple-A Louisville. Optioned IF Felipe Lopez to Louisville.
ROCKIES: Optioned P Aaron Cook to Triple-A Colorado. Activated P Denny Neagle (Arundel).
ROYALS: Activated P Albie Lopez from 15-day DL. Optioned P Les Walrond to Triple-A Omaha.
WHITE SOX: Placed P Kelly Wunsch on 15-day DL, retroactive to June 12, with strained muscle in his side. Recalled former Orioles IF-OF Willie Harris from Triple-A Charlotte.
NBC: Announced that former Wizards coach Doug Collins will serve as analyst for men's basketball at 2004 Olympics.
CELTICS: Announced that F-C Bruno Sundov exercised his contract option for 2003-04.
MARSHALL: Named Ron Jirsa men's basketball coach.
MINNESOTA: Announced that basketball F Kris Humphries, who originally signed a letter of intent with Duke, has changed mind and will enroll at school.
NOTRE DAME: Announced that G Chris Thomas has withdrawn from NBA draft and will return for junior season.
OHIO STATE: Agreed to six-year contract extension, worth at least $1.3 million this season and escalating to $1.8 million in final year, with football coach Jim Tressel.
SAN DIEGO STATE: Named Gene Bartow interim AD.
TOWSON: Named John Ardizone women's basketball assistant coach; he was an assistant at Army the past five seasons.
BILLS: Claimed G Ross Tucker off waivers.
DOLPHINS: Signed TE Donald Lee to four-year contract.
FALCONS: Signed WR LaTarence Dunbar.
JAGUARS: Signed free-agent WR J.J. Stokes, who had been with 49ers, to one-year contract worth $805,000.
PACKERS: Claimed K Owen Pochman off waivers from Giants.
BLACKHAWKS: Re-signed Trent Yawney as coach of AHL Norfolk.
FLAMES: Named Tom Webster pro scout.
WIMBLEDON: Announced that Carlos Moya, Tommy Haas and Anna Kournikova withdrew with injuries.