NHL -- Lawyers for Ralston Purina Co. and the league announced they have settled lawsuits filed against each other over the company's attempt to sell the St. Louis Blues, ending a trial that was expected to last until late August. No terms were announced. Montreal Canadiens -- Signed RW Kjell Dahlin, 22, of Sweden to a two-year contract. BASEBALL

Pittsburgh Pirates -- Traded minor league LHP Steve Shirley to the Detroit Tigers for former major league LHP Sid Monge. The Tigers assigned Shirley to Nashville; Monge will report to Hawaii.San Francisco Giants -- Gave IF Duane Kuiper, 35, his unconditional release and said the 10-year major league veteran was retiring to do radio commentary for the team; reactivated IF Brad Wellman from the 21-day DL. Kuiper ended his career with one home run in 3,379 at bats and a .271 batting average. OLYMPICS

Manchester, England -- Entered the race to stage the 1992 Games. The British Olympic Committee will decide July 12 which of the three contenders -- Manchester, London or Birmingham -- it will put forward to the International Olympic Committee. BASKETBALL

Golden State Warriors -- Said they will match an offer from Milwaukee to 7-foot center Joe Barry Carroll, a free agent. General Manager Alvin Attles said the team would be willing to match the Bucks' offer of a reported $7.5 million over five years, plus a $2 million signing bonus due by July 1. Carroll played in Italy last season after he and the Warriors did not come to terms.William Jones Cup -- The defending champion U.S. team edged Japan, 56-54, to earn its sixth victory in the winners' round of the women's tournament in Taiwan. In other games, South Korea beat West Germany, 71-66, and Brazil defeated Taiwan, 68-67. HORSE RACING

Calgary, Alberta -- Fire swept through a barn at Trout Springs Training Centre Wednesday, killing an estimated 59 horses. Investigators did not rule out arson. COLLEGES

Loyola Marymount -- Named as head coach Paul Westhead, 46, the Los Angeles Lakers' head coach when they won the NBA title in 1980. He replaces Jim Lynam, who resigned last week without coaching a game to become an assistant to Matt Guokas, new coach of the Philadelphia 76ers.Temple -- Board of trustees voted unanimously to adopt a drug education and testing program that would subject athletes to random drug tests.Naval Academy -- Named Phil Bassi, a quarterback and kicker at the academy in the mid-1960s, as lightweight-football coach. YACHTING

America's Cup -- Three U.S. yacht clubs have been readmitted as challengers in the America's Cup: Chicago, Sag Harbor, N.Y., and St. Petersburg, Fla. TROTTING

East Rutherford, N.J. -- On The Road Again became the world's leading money-winning pacer after capturing the $125,000 second leg of the World Cup at the Meadowlands last night. Driven by Buddy Gilmour, the 4-year-old son of Happy Motoring won $62,000 to push his earnings to $2,052,256. The previous leader was Gam Fella, who was retired after the 1983 season with $2,041,367.