MILEPOSTS—DESIGNATED: By the U.S. Olympic Committee as the American city that will bid for the 1992 Winter Games, ANCHORAGE, ALASKA.
HIRED: As manager of the Baltimore Orioles, EARL WEAVER, 54, who had held the job for 14� years before retiring in 1982. Weaver replaces Joe Altobelli, who was fired after the Orioles dropped to fourth place in the AL East (page 26).
NAMED: As the NHL's most valuable player for a record sixth consecutive year, Edmonton Oiler center WAYNE GRETZKY, 24.
As head coach of the Philadelphia 76ers, MATT GUOKAS, 41, a onetime player with the Sixers and five other NBA teams, and for the past 3� years an assistant to coach Billy Cunningham, 42, who resigned May 28.
As coach of the Buffalo Sabres, veteran Sabre defenseman JIM SCHOENFELD, 32, who briefly coached the team's American Hockey League affiliate in Rochester, N.Y. last season. He replaces Scotty Bowman, 52, who relinquished his coaching duties to concentrate on his role as G.M.
TRADED: By the Calgary Flames, right wing KENT NILSSON, 28, to the Minnesota North Stars for one 1985 and two future draft picks.
DIED: Longtime Pittsburgh Pirate broadcaster BOB PRINCE, 68, of complications following surgery for throat cancer; in Pittsburgh (page 18). Fired in 1975 after 28 years as the club's play-by-play radio man, Prince was rehired this year by Pittsburgh radio station KDKA-AM.