PRO BASKETBALL—With a 123-107 victory, Los Angeles won its NBA championship series with Philadelphia four games to two (page 18).
BOXING—SHOJI OGUMA of Japan knocked out defending champion Park Chan-hee in the ninth round in Seoul to win the WBC flyweight title.
GOLF—BRUCE LIETZKE shot a nine-under-par 271 to win the $300,000 Colonial National Invitational in Fort Worth by one stroke over Ben Crenshaw.
Donna Horton White defeated Debbie Massey on the first hole of sudden death to win a $125,000 LPGA tournament in Clifton, N.J. They ended regulation play at two-under-par 217.
HARNESS RACING—NIATROSS ($2.40), Clint Galbraith in the sulky, won his first start of the season, the $55,000 Hanover Hempt Stakes at Vernon Downs, by 3� lengths over Majestic Lobell. The 3-year-old colt, who is unbeaten in his 14 races, covered the mile in 1:56[1/5].
HOCKEY—With a 6-2 home-ice victory, the Islanders moved ahead of Philadelphia two games to one in the Stanley Cup championship series (page 74).
HORSE RACING—CODEX ($7.40), ridden by Angel Cordero Jr., defeated Genuine Risk by 4� lengths to win the $250,600 Preakness at Pimlico. The 3-year-old was timed at 1:54[1/5] for the 1[3/16] miles (page 26).
Spectacular Bid ($2.40), Bill Shoemaker up, defeated Peregrinator by seven lengths to win the $210,400 Mervyn LeRoy Handicap at Hollywood Park. The 4-year-old ran the 1[1/16] miles in 1:40[2/5].
Weber City Miss ($6.80), Vince Bracciale up, defeated Bishop's Ring by 2� lengths to win the $114,800 Black-Eyed Susan Stakes for 3-year-old fillies at Pimlico. She covered the 1[1/16] miles in 1:44[2/5].
MOTOR SPORTS—CARLOS REUTEMANN, averaging 81.20 mph in a Williams, won the 38th Grand Prix of Monaco. He finished 1:13.63 ahead of Jacques Laffite, who drove a Ligier.