AUTO RACING—Donnie Allison led most of the way in the $86,000 Rebel 400 stock-car race at Darlington, S.C., but the engine in his 1971 Mercury failed on the back straightaway, and BUDDY BAKER, in a Dodge, finished first, averaging 130.678 on the 1?-mile oval.
BASKETBALL—NBA: The Milwaukee Bucks swept the finals from the Baltimore Bullets 4-0—a feat previously achieved only by the 1959 Boston Celtics (page 26).
ABA: The race in the West finally was decided in the seventh game as Utah defeated Indiana 108-101. Willie Wise scored 31 for the winners—24 in the second half—and Bill Keller 33 for the losers. The Pacers came within three points of Utah several times, but a third-period surge by the Stars was decisive. Utah and Kentucky—both second-place finishers in their divisions in the regular season—squared off in the finals.
BOATING—Five America's Cup challengers from Britain, Canada and France, meeting in London, agreed to ask the New York Yacht Club to postpone the next defense from 1973 to 1974. They pleaded insufficient time to design their cup craft with a new hull material, aluminum. The two challenging Australian yacht clubs did not participate.
Encore Cheri, skippered by Peter Bowker, won the St. Petersburg-to- Mexico race on corrected time. Ondine was second.
BOXING—MARVIN JOHNSON of Indianapolis took the National AAU title in the 178-pound class with the only knockout of the championships, dropping Hernando Molyneaux of New York in the first round. DUANE BOBICK of Bowlus, Minn. won the heavyweight title over Ronald Draper of Kansas City.
FLYING—VAN HARVEY of Oklahoma State, flying a rented Cessna 150, won the top pilot trophy in the 23rd National Intercollegiate meet at San Jose ( Calif.) Municipal Airport. He was first in power-on precision landing and second to DAN BOGDAN of Skyline College in power-off landing. RON GREEN of San Jose State won the navigation contest and ELIZABETH CARROLL the top women's trophy. The Bendix team championship went to Oklahoma State.
GOLF—FRANK BEARD, in third place after three rounds, shot a four-under-par 68 to win the $125,000 Greater New Orleans Open at the Lakewood Country Club. Beard beat 24-year-old rookie Hubert Green by one stroke with a 276.
Eddie Pearce, 19-year-old Wake Forest freshman, became the youngest winner in the 71 years of the North and South Amateur at Pinehurst, N.C. He was four under par in the final round as he beat Walker Cup player Vinny Giles 5 and 4.
HARNESS RACING—WINDY WAY ($35.20), driven by Bob Williams, was in command most of the way in the 1[1/16]-mile $102,969 Realization Pace at New York's Roosevelt Raceway, finishing 1� lengths ahead of Colonial.