PRO BASKETBALL—Boston won twice and took a three-games-to-one lead over Atlanta in their best-of-seven Eastern Conference semifinal series. The Hawks chipped away at an 18-point Celtic lead in Game 2 to draw one point behind Boston with 3:57 on the clock, but Larry Bird responded with eight of his 36 points to clinch a 119-108 Celtic win. In the first half of Game 3, Dominique Wilkins poured in 23 points for Atlanta, more than in either of his previous two games, but Boston won its third straight, 111-107, nonetheless. The Hawks avoided elimination with a 106-94 Game 4 defeat of Boston. Philadelphia. 1-4 against Milwaukee during the regular season, overcame an 18-point deficit to beat the Bucks 118-112 in their semifinal opener before Milwaukee tied the series at one apiece with a 119-107 win. Charles Barkley, whose 31 points and 20 rebounds led Philadelphia to its first win, added 29 points and 13 rebounds in the Sixers' 107-103 Game 3 victory. The Lakers went up 2-0 in their Western Conference semifinal series with a come-from-behind win to beat Dallas 117-113. Derek Harper's three-point field goal with three seconds remaining gave the Mavericks a 110-108 victory in Game 3, and Mark Aguirre contributed 39 points in Game 4 to lead Dallas to a 120-118 series-tying victory. Houston held Denver to 40.9% shooting and the league's third-leading scorer, Alex English, to 11 points as the Rockets trounced the Nuggets 119-101 and took a two-games-to-none series lead. English recovered to score 33 points in Denver's 116-115 Game 3 win, and the Nuggets evened the series at two games apiece, defeating the Rockets 114-111 in overtime.
BOXING—DENNIS ANDRIES won the WBC light heavyweight title with a 12-round split decision over defender J.B. Williamson in London.
GOLF—GREG NORMAN defeated Dan Pohl by seven strokes to win a PGA Tour event and $207,000 in Las Vegas. Norman's 90-hole total of 333 was 27 under par, equaling a record set in 1945 by Ben Hogan in a 72-hole event.
HOCKEY—Calgary, St. Louis and Montreal won the deciding games of their respective series with Edmonton, Toronto and Hartford to join the Rangers as Stanley Cup semifinalists. Edmonton evened its Smythe championship series at three games apiece to force a seventh game against Calgary, but at 2-2 in the third period of that game. Edmonton's rookie defenseman Steve Smith, trying to clear the puck from his own zone, inadvertently hit goaltender Grant Fuhr's leg. The puck caromed in, giving the Flames the game-winning goal and the division title, thus eliminating two-time defending Stanley Cup champion Edmonton (page 32). Toronto tied its series against St. Louis with a 5-3 victory, but the Blues, who hadn't advanced to a playoff semifinal series in 14 years, edged the Maple Leafs 2-1 in Game 7 to win the Norris championship. Mark Reeds and Mark Hunter scored third-period goals 60 seconds apart to lead St. Louis, which met Calgary for the first time ever in the playoffs, to a 3-2 victory in their Campbell Conference title series opener. The Flames bounced back, routing the Blues 8-2 to tie the series at one game each. Rookie Claude Lemieux scored his sixth playoff goal this year, 5:55 into overtime, to give Montreal a 2-1 deciding-game win over Hartford. The Canadiens, 0-2-1 against the Rangers in regular-season play, then opened their Wales Conference final series with 2-1 and 6-2 victories over the Patrick titlists.
HORSE RACING—FERDINAND ($37.40), with Bill Shoemaker in the saddle, won the 112th Kentucky Derby at Churchill Downs by 214 lengths over Bold Arrangement. The 3-year-old colt, who earned $609,400, ran the 1� miles in 2:02[4/5] (page 18).
INDOOR SOCCER—Brian Quinn and Branko Segota each contributed a pair of goals as defending champion San Diego routed Tacoma 7-2 to take a two-games-to-none lead in the best-of-five. Western Division final series. The Stars avoided a three-game sweep by edging the Sockers 4-3 in Game 3. Back East, Thompson Usyan scored two fourth-quarter goals, the game-winner a 25-footer 2:08 into overtime, to give Minnesota a 5-4 victory over Cleveland. Alan Willey's four goals in Game 4 led the Strikers to a 7-3 win and the Eastern title.
MOTOR SPORTS—BOBBY ALLISON, in a Buick LeSabre. finished two car lengths ahead of Dale Earnhardt, in a Chevrolet Monte Carlo, to win a 500-mile NASCAR race in Talladega, Ala., ending a streak of 55 races without a victory. Allison, who averaged 157.698 mph over the 2.66-mile Alabama International Motor Speedway oval, earned $77,905.
RUGBY—Defending champion CALIFORNIA defeated Dartmouth 6-4 to win the National Collegiate Rugby Championship for the sixth time in the seven years that the title has been contested, in Pebble Beach, Calif. (page 76).
SQUASH—MARK TALBOTT defeated Steve Bow-ditch 15-8, 15-12, 15-10 to win the North American Open in St. Paul.
TENNIS—ANDRES GOMEZ defeated Thierry Tulasne 6-4, 7-6 to win the U.S. Open Clay Court title and $51,000 in Indianapolis. STEFFI GRAF beat Gabriela Sabatini 2-6, 7-6, 6-4 in the women's final to win $45,000.