Denver Nuggets -- Named Jim Boyle assistant coach.
Golden State Warriors -- Traded F/G Terry Teagle (16.1 ppg in 1989-90) to Los Angeles Lakers for 1991 first-round draft choice.
Los Angeles Lakers -- Traded C Mark McNamara to San Antonio Spurs for future considerations.
Philadelphia 76ers -- Extended coach Jim Lynam's contract two years. Signed Brian Oliver, first-round draft choice from Georgia Tech, to four-year contract at reported $1.6 million.
Seattle SuperSonics -- Signed F Mike Higgins.
Utah Jazz -- Awarded new contracts, calling for higher salaries, to F Karl Malone and G John Stockton.
Washington Bullets -- Signed G Larry Robinson of Centenary and G Haywoode Workman. Announced F Ron Draper, G Tony Harris, G Lenzie Howell, C Michel Bonebo, G Charles McGill and F Sam Jefferson have accepted invitations to rookie camp.
Northeast Conference -- Elected Robert J. Wickenheiser, president of Mount St. Mary's, president.
Drexel -- Announced retirements of John and Mary Semanik as athletic directors, effective June 30, 1991.
South Carolina -- Accepted invitation to join Southeastern conference.
Dallas Cowboys -- Traded QB Steve Walsh to the New Orleans Saints for No. 1 and No. 3 draft choices in 1991 and No. 2 pick in 1992.
Denver Broncos -- Placed CB Tyrone Braxton and TE Chris Verhulst on injured reserve. Signed LB Rick Dennison and CB Bruce Plummer.
Indianapolis Colts -- Placed QB Mark Herrmann on injured reserve. Signed QB Gene Benhart.
New Orleans Saints -- Released QB Tommy Kramer.
New York Islanders -- Released F Sean LeBrun, F Shawn Byram, F Wayne Doucet, F Rich Kromm, F Brent Grieve, F Jeff Jablonski, F Mike Kelfer, F Travis Green, F Iain Fraser, F Phil Huber, F Greg Parks, F Derek Laxdal, F Steve Young, F Paul Guay, D John Bergeron, D Kevin Cheveldayoff, D Dennis Vaske, D Tony Schmalzbauer, D Jim Culhane, D Brad Turner, D Chris Pryor, G Danny Lorenz, G George Maneluk and G Paul Cohen for future assignment. Returned C Scott Scissons to Saskatoon of WHL and D Joni Lehto to Ottawa of OHL.
San Jose Sharks -- Named Jack Grillo, former director of scouting for Minnesota North Stars, director of player personnel.
Vancouver Canucks -- Announced Darcy Rota's resignation as director of media relations to become special assistant to NHL president John Ziegler.