BOWLING—STEVE COOK rolled a 269 to defeat Paul Moser by 89 pins and win a $90,000 PBA tournament in Fresno.
BOXING—LARRY HOLMES successfully defended his WBC heavyweight title by scoring a seventh-round TKO over Scott LeDoux, in Bloomington, Minn. On the same card, SAOUL MAMBY retained his WBC super lightweight title with a 13th-round TKO over Esteban DeJesus.
Matthew Saad Muhammad scored a 14th-round TKO over Alvaro (Yaqui) Lopez to successfully defend his WBC light heavyweight title in McAfee, N.J.
Maurice Hope retained his WBC super welterweight title with an 11th-round TKO over Rocky Mattioli in Wembley, England.
GOLF—AMY ALCOTT fired a tournament record four-under-par 280 to beat Hollis Stacy by nine strokes and win the $140,000 U.S. Women's Open in Nashville (page 52).
Bill Kratzert shot a 22-under-par 266 to beat Howard Twitty by four strokes and win the $200,000 Milwaukee Open.
HORSE RACING—TILLER ($8.60), ridden by Ruben Hernandez, defeated John Henry by 1� lengths to win the $161,100 Sword Dancer stakes at Belmont. The 6-year-old gelding covered the 1� miles in 2:25[1/5].
Hold Your Tricks ($11.20), Dave Pettinger up, beat Overskate by a head to win the $161,250 Corn-husker Handicap at Ak-Sar-Ben. The 5-year-old horse was timed at 1:49[1/5] for the 1? miles.
Native Fancy ($9.20), with Laffit Pincay aboard, outran Icy Pop by a neck to win the $103,175 Lassie Stakes at Hollywood Park. The 2-year-old filly completed the six furlongs in 1:10.
MOTOR SPORTS—ALAN JONES, averaging 125.690 mph in a Williams-Ford, won the British Grand Prix at Brands Hatch. He finished 11 seconds ahead of Nelson Piquet, who was driving a Brabham-Ford.