New York Yankees -- Activated 1B Don Mattingly from disabled list. Purchased P Rich Montelone from Class AAA Columbus Clippers.
Minnesota Timberwolves -- Acquired F Brian Rowsom on waivers from Charlotte Hornets.
Fairleigh-Dickinson -- Announced F Turi Carter, a transfer from Southern California, will be eligible for 1991-92 basketball season.
La Salle -- Named Joe Simon women's tennis coach. Named George Mecherly men's tennis coach.
Oklahoma -- Announced G Smokey McCovery will miss 1990-91 basketball season because of personal reasons.
Trenton Tech -- Named Dave DeNure assistant athletic director. Named Brenda Zabriskie women's senior administrator and women's basketball coach.
Xavier of Ohio -- Announced F Dave Minor has decided forgo his final season of basketball eligibility
Atlanta Falcons -- Waived QB Hugh Millen. Signed QB Gilbert Renfroe.
Dallas Cowboys -- Released RB Timmy Smith.
Kansas City Chiefs -- Signed CB Albert Lewis
Miami Dolphins -- Signed WR Jim Jensen to two-year contract.
New York Jets -- Placed RB A.B. Brown on injured reserve. Signed CB Don Odegard.
Phoenix Cardinals -- Placed DT Bob Clasby on injured reserve. Signed DT Dick Chapura.
Pittsburgh Steelers -- Placed CB Delton Hall on injured reserve. Signed CB Richard Shelton.
Buffalo Sabres -- Signed C Pierre Turgeon to multi-year contract.
Quebec Nordiques -- Signed D Stephane Guerard to three-year contract.