PRO BASKETBALL—None of the division races, except the Atlantic, which Washington wrapped up two weeks ago, was decided until the regular season's final weekend. Seattle, which won 14 of its last 17 games, clinched a tie for the Pacific title with a 113-93 defeat of Los Angeles. The Sonics became outright champions the next night when Lloyd Free poured in 36 to lead San Diego to a 120-116 win over second-place Phoenix, which had won eight in a row. San Antonio needed a 117-101 victory over Cleveland in its final outing to win the Central title by one game over Houston. In the penultimate game for both teams, the Rockets knocked off the Spurs 123-106 as Moses Malone, who finished as the league's top rebounder (17.6 a game) and No. 5 scorer (24.8), had 29 points and 26 rebounds. San Antonio's George Gervin was held to just 15 points in that game, but still won the league scoring crown with a 29.6 average. Kansas City and Denver were deadlocked for first in the Midwest until the final day, when the Kings beat Indiana 107-101 and Philadelphia edged the Nuggets 112-111, despite a 44-point performance by David Thompson. The Sixers were playing without Doug Collins, who will miss the playoffs with a foot injury. Earlier, Otis Birdsong pumped in 33 as K.C. defeated New Jersey 117-114 for its second straight overtime victory, and Denver lost 105-89 to Washington. It was the Nuggets' first defeat in seven games, and Dick Motta's 500th win in his 11 years of NBA coaching.
BOWLING—JOE BERARDI defeated Earl Anthony 232-195 to win the $125,000 U.S. Open in Windsor Locks, Conn.
BOXING—JORGE LUJAN of Panama retained his WBA bantamweight title in Las Vegas with a 15th-round knockout of Nicaragua's Cleo Garcia.
Eusebio Pedroza of Panama knocked out countryman Hector Carrasquilla in the 11th round in Panama City to retain his WBA featherweight crown.
GOLF—RAY FLOYD fired a six-under-par 282 to win the $250,000 Greater Greensboro Open by one shot over Gary Player and George Burns.
Sandra Post shot a 12-under-par 276 to win the $305,000 Colgate-Dinah Shore Tournament. Nancy Lopez was second, one shot back (page 22).
GYMNASTICS—NEBRASKA won the NCAA championship in Baton Rouge, La., defeating Oklahoma 448.275-446.625. KURT THOMAS of Indiana State beat Oklahoma's Bart Conner 115.25-114.50 to win the all-around title.
HOCKEY—A 1-0 defeat in Detroit on the final night of the season cost the Canadiens the overall point championship of the league. The Islanders, who beat the Rangers 5-2 in their last outing, finished with 116 points. one more than Montreal. The Canadiens, however, did win their fourth straight Vezina Trophy for allowing the fewest goals (204). Montreal and the Islanders claimed most of the individual honors as well. Brian Trottier of the Islanders won the scoring title with 134 points, and teammate Mike Bossy had the most goals (69). In a 9-2 rout of Philadelphia, Bossy scored four goals and Trottier had three assists. Denis Potvin, also of the Islanders, became the second defenseman ever to score 100 points in a season (page 32), while Montreal Goalie Ken Dryden led the league in shutouts (five) and goals-against average (2.30). Minnesota's Bobby Smith was the leading rookie scorer with 74 points.
WHA: Despite taking a 4-2 decision from league-leader Edmonton, Quebec fell five points back of the Oilers. Led by Morris Lukowich and Willy Lindstrom, who scored two goals apiece, Winnipeg trounced the Nordiques 7-3. Quebec also lost 5-3 to Birmingham, which was 2-0 and moved out of the cellar for the first time since Dec. 16. Cincinnati then defeated Quebec 6-2 behind Jamie Hislop's hat trick.
HORSE RACING—TILLER ($9), Angel Cordero Jr. up, won the San Juan Capistrano Handicap for 4-year-olds and up at Santa Anita by three quarters of a length over Exceller. He was timed in 2:48 for the 1[1/16] miles.