BOXING—MARLON STARLING scored an 11th-round TKO over Mark Breland to win the WBA welterweight championship in Columbia, S.C. The fight was Breland's first title defense and marked the Olympic gold medalist's first professional defeat (page 13).
CANOEING—GREG BARTON of Homer, Mich., seized two golds in single kayak races and became the lone U.S. medalist at the world championships in Duisburg, West Germany. In the 1,000 meters his 3:53.46 edged Ferenc Csipes of Hungary by 3.36; in the 10,000 his 41:59.69 bettered by 53.53 the time of Attila Szabo of Czechoslovakia.
GOLF—D.A. WEIBRING edged Larry Nelson and Greg Norman by one stroke in a PGA event in Oak Brook, Ill. Weibring, whose 54-hole total of 207 was nine under par, pocketed $144,000.
Betsy King won $33,750 and her fourth LPGA tournament this year by firing a six-under-par 207 in Galloway Township, N.J. King beat Nancy Lopez by three shots.
Kay Cockerill became the second player in 47 years to successfully defend the U.S. Women's Amateur title when she beat Tracy Kerdyk 3 and 2 at the Rhode Island Country Club in Barrington.
HARNESS RACING—Charging through a 16-mph head wind down the stretch, MACK LOBELL established a world record for trotters in the Review Stakes at the Illinois State Fairgrounds in Springfield. The 3-year-old colt finished the mile in 1:52[1/5], lopping 1[2/5] seconds off the standard set by Prakas in 1985.
HORSE RACING—JAVA GOLD ($8.40), ridden by Pat Day, won the Travers Stakes and $673,800, defeating Cryptoclearance by two lengths on a sloppy track at Saratoga. The 3-year-old colt covered the 1� miles in 2:02 (page 14).
Bordeaux Bob ($18), Chris Antley up, rallied for a one-length win over Silver Comet in the Iselin Handicap at Monmouth Park. The 4-year-old colt ran the 1? miles in 1:48[1/5] to earn $165,120.
MOTOR SPORTS—DALE EARNHARDT, driving a Chevrolet Monte Carlo, held off Rusty Wallace, in a Pontiac, by 5.50 seconds to win the Busch 500. Earnhardt, averaging 90.373 mph on the .533-mile oval, picked up his ninth NASCAR victory in 20 starts this year and earned $47,175.
PAN AMERICAN GAMES—In Indianapolis, the U.S. men's basketball team had its string of 34 straight victories, dating back to 1971, snapped in the championship game by BRAZIL, 120-115. Oscar Schmidt paced the visitors with 46 points. CUBA, too, played the disrespectful guest, winning a record 10 of 12 golds in boxing and beating the U.S. 13-9 in the baseball final. The U.S. did thump Brazil in women's hoops, 111-87, behind Katrina McClain's 30 points and 11 rebounds. And SABRINA MAR of the U.S. won the women's all-around gymnastics title. The most successful of all Pan Am athletes was Argentinian roller skater JOSE LUIS LOZANO, who triumphed in five of the seven racing events (page 15).