PRO BASKETBALL—Boston won four times and increased its Atlantic Division lead over Philadelphia to nine games. In a 91-74 win over New York's Knicks, Larry Bird completed his fifth triple-double in eight games with 24 points, 18 rebounds and 13 assists. The Celtics snapped Detroit's 10-game winning streak with a 129-109 victory over the Pistons. Philadelphia beat Chicago, Dallas and Denver. Julius Erving hit a half-court three-point shot with one second left to defeat Dallas 123-120. Third-place New Jersey lost its first two games before downing San Antonio and New York. Against the Spurs, Otis Birdsong scored 28 points as the Nets won 113-110. Central Division leader Milwaukee beat the Los Angeles Clippers and split with Washington. Atlanta and Detroit stayed tied for second place. Isiah Thomas put up 30 points as the Pistons, 3-1, beat the Hawks 115-103. Atlanta, also 3-1, beat the Los Angeles Lakers 102-93, the Hawks' first win over the Lakers since 1979. Houston stayed 2� games ahead of Denver in the Midwest, winning two of four games. With Akeem Olajuwon still out with a sprained right knee, forward Robert Reid got more playing time and scored a season-high 23 points in a 117-111 Rocket win over the Nuggets. Denver, 2-2, beat Portland and Phoenix. NBA scoring leader Alex English scored 41 points in a 112-99 defeat of Phoenix. Third-place Dallas lost three games, extending its losing streak to six; then Mark Aguirre scored 40 points as the Mavericks won 119-110 over Golden State. In the Pacific Division, the Lakers, 2-2, increased their lead to 15� games over Portland. Michael Cooper helped lead Los Angeles to a 115-103 win over Phoenix with 20 points, including a club-record five three-point baskets. The Trail Blazers salvaged a 1-3 week with a 117-112 win over Houston. Forward Clyde Drexler scored a triple-double with 24 points, 12 rebounds and 13 assists in the Houston game, which snapped Portland's 12-game losing streak.
BOBSLED—SWITZERLAND II, driven by Erich Sch�rer, won the world four-man championships with a four-run combined time of 3:16.28, in Koenigsee, West Germany. Austria I, driven by Peter Kienast, finished in second place, .49 of a second behind the Swiss.
GOLF—KENNY KNOX won $90,000 when he beat Clarence Rose, Andy Bean, John Mahaffey and Jodie Mudd by one stroke at a PGA tournament in Coral Springs, Fla. He finished with a one-under-par 287.
Mary Beth Zimmerman sank a birdie putt on the final hole to win an LPGA tournament and $49,500, in Costa Mesa, Calif., by one stroke over Laura Baugh and Pat Bradley. Zimmerman's 281 total was seven under par.
HOCKEY—In the Adams Division, Montreal increased its lead to four points over Quebec, winning two of three games. Right wing Kjell Dahlin and left wing Bob Gainey scored two goals apiece in the Canadiens' 6-4 victory over Los Angeles. Peter Stastny had one goal and two assists in the Nordiques' lone win against two defeats—6-2 over the Sabres. Meanwhile, third-place Boston won two of four and moved to within three points of Quebec. Buffalo, 1-2, trailed the Bruins by three points. Smythe Division leader Edmonton won its three games, including a 2-1 OT defeat of Philadelphia. Mark Messier had a hat trick in an 8-2 Oiler romp over Winnipeg. Second-place Calgary, though 4-0 on the week, trailed Edmonton by 23 points. The Flyers remained on top of the Patrick Division despite losing their three games, while Washington moved within three points. The Capitals won their four games, including a 4-3 victory over Detroit that ended when defenseman Peter Andersson scored the game winner just 36 seconds into OT. The Islanders lost two of three and held a narrow one-point lead over Pittsburgh for third place. The Penguins won three of four games, and center Mario Lemieux had two assists in a 5-1 win over Hartford as he extended his scoring streak to 22 games. In the Norris Division, Chicago beat Los Angeles 6-3 before splitting with St. Louis. The Blues trailed the Black Hawks by eight points after beating them 6-3 and losing to them 6-4. Third-place Minnesota, 2-1, trailed Chicago by nine points. The North Stars beat the Islanders 5-4 when left wing Tom McCarthy, who had two goals, scored with 47 seconds left in the game.
HORSE RACING—SNOW CHIEF ($5), Alexis Solis up, beat Badger Land by 1� lengths to win the Florida Derby and $300,000 at Gulfstream Park. The 3-year-old colt ran the 1? miles in 1:51[4/5] (page 12).
Greinton ($8), ridden by Laffit Pincay Jr., beat Herat by three quarters of a length to win the Santa Anita Handicap and $689,500. The 5-year-old ran the 1� miles in 2:00.
INDOOR SOCCER—In the MISL Eastern Division, Baltimore, 1-1, maintained a half-game lead over Cleveland, also 1-1. Michael Collins and Michael Lashoff scored two goals apiece to lead the Blast past Kansas City 7-3. Cleveland beat Los Angeles 8-3 behind Craig Allen's two goals and three assists. Third-place Minnesota, 1-1, routed Dallas 7-4. Western Division-leading San Diego won its two games and increased its lead to 7� games over Wichita. The Sockers scored four goals in the final period to beat Chicago 7-4. Wichita beat Baltimore 5-2 and Pittsburgh 10-2.
MOTOR SPORTS—TERRY LABONTE, driving an Oldsmobile, averaged 120.488 mph around the North Carolina Motor Speedway in Rockingham to win a 500-mile NASCAR race and $44,550. Harry Gant finished second, less than two car lengths behind Labonte.
Bob Wollek of France and PAOLO BARILLA of Italy, in a Porsche 962, won the Grand Prix of Miami by 28.974 seconds over Danny Sullivan and A.J. Foyt. The winners averaged 79.309 mph on the 1.87-mile course for the $55,000 first-place money.