King's Bishop ($11.80) outdueled Figonero by nearly a length to win the first division of the $158,000 Michigan Mile and One-Eighth at Detroit Race Course. FAVORECIDIAN ($7.80) took the second division by a length over Viewpoise.
Groshwak ($6.20) beat favored Lucy Mike by 1� lengths in the $112,785 Del Mar ( Calif.) Futurity. Bill Shoemaker guided the son of Graustark to a stakes record of 1:28[3/5] over 7� furlongs on turf and a winner's share of $67,135.
MOTOR SPORTS—DAVID PEARSON broke out of an early duel with Bobby Allison, Buddy Baker and Richard Petty to win the Delaware 500 by three laps at Dover Downs.
SAILING—The UNITED STATES regained the Canada's Cup with a 3-2 victory on Lake Ontario (page 20).
SOFTBALL—The RAYBESTOS CARDINALS of Stratford, Conn. beat the Clearwater ( Fla.) Bombers 1-0 to win their third national fast-pitch title in four years, in Dallas (page 70).
TENNIS—U.S. Open champion BILLIE JEAN KING beat Margaret Smith Court of Australia 6-2, 6-2 in the finals of the $40,000 Four Roses tournament, richest event in women's tennis, in Charlotte, N.C.
U.S. Open men's titlist ILIE NASTASE of Rumania defeated local favorite Tom Gorman 6-4, 3-6, 6-3 to win the $25,000 Rainier International Classic in Seattle. ARTHUR ASHE, Nastase's opponent in the Open finals, beat Roy Emerson of Australia 6-4, 3-6, 6-2, 7-5 in the championship match of the $50,000 Rothmans' WCT International in Montreal.
TRACK & FIELD—Olympic 5,000-meter and 10,000-meter gold medalist LASSE VIREN of Finland lowered by .2 Ron Clarke's six-year-old world 5,000-meter record, clocking 13:16.4 in Helsinki. In the same meet ANDERS GARDERUD of Sweden broke the world steeplechase record of 8:22 set by Australia's Kerry O'Brien in 1970. Garderud ran 8:20.8 and was followed by TAPIO KANTANEN of Finland in 8:21. In Aahrus, Denmark EMIL PUTTEMANS of Belgium clipped two seconds off Kenyan Kip Keino's seven-year-old 3,000-meter record with a time of 7:37.6.
MILEPOSTS—DIED: EDDIE WAITKUS, 53, who hit .285 in 11 seasons with three major league teams during the 1940s and 1950s; in Boston. Waitkus was shot in the chest by a distraught girl in 1949, but came back after undergoing four operations to play six more seasons.
DIED: A. B. BULL HANCOCK JR., 62, owner of Claiborne Farm near Paris, Ky., the most prestigious stud farm in America; after surgery in Nashville, Tenn. Hancock took over Claiborne at the close of World War II. From 1955 to 1970 Claiborne was the home of North America's leading stallion—Bold Ruler seven times, Nasrullah five times, Princequillo twice and Ambiorix once.