AUTO RACING—RICHARD PETTY, the first stock-car driver to top the $1 million mark in total earnings on the NASCAR circuit, became the first to reach $200,000 in a single season when he finished second by 2.1 seconds to Bobby Allison in the $120,000 Talladega ( Ala.) 500-mile race.
Scotland's JACKIE STEWART, the Formula I world driving champion, drove his Lola T260 Chevrolet to a two-lap win over Jo Siffert of Switzerland in the $87,000 Mid-Ohio Can-Am race at Lexington. It was Stewart's second victory in the series.
BOATING—DR. BOB MAGOON of Miami Beach led from start to finish to win the 188-mile Long Beach Hennessy Cup offshore powerboat race. National champion Magoon became the first ocean racer to win the three major U.S. races—the Hennessy Key West, the Hennessy Grand Prix and the Hennessy Cup—in one year.
BOXING—VICENTE PAUL RONDON of Venezuela retained his World Boxing Association light-heavyweight title with a unanimous 15-round decision over Eddie Jones of Los Angeles in Caracas.
Bob Foster, the World Boxing Council light-heavyweight champion, scored a third-round TKO over Vern McIntosh in a nontitle bout at Miami Beach.
Former heavyweight champion FLOYD PATTERSON gained a unanimous 10-round decision over Vic Brown in Buffalo for his sixth straight win in his latest comeback.
CREW—World champion ALBERTO DEMIDDI of Argentina retained his single sculls title in the European Championships on Denmark's Lake Bagsvaerd—and then talked wistfully of retiring after the 1972 Olympics. Demiddi set a record of 6:57.99 on the 2,000-meter course in the finals. NEW ZEALAND won its first European title in the eights, and WEST GERMANY took the fours with coxswain, but the rest of the gold medals (four of them) went to crews from EAST GERMANY.
DIVING—CYNTHIA POTTER, a 20-year-old senior at the University of Indiana, became the first woman since 1958 to win three titles at the National AAU outdoor championships when she took the one-, three- and 10-meter events in Houston. Micki King, a 27-year-old Air Force captain, finished second in two of the championships. In the men's division, JIM HENRY, "fighting mad" after losing the one-meter title to Indiana teammate MIKE BROWN, took the three-meter event, while DICK RYDZE of Ann Arbor, Mich. was a surprise winner in the 10-meter dive.
PRO FOOTBALL—In the third week of NFL preseason games DALLAS, the Super Bow runner-up, won its third straight, beating Cleveland 16-15 on Mike Clark's third field goal, a 26-yarder, with 23 seconds left in the game. Calvin Hill, who gained 167 yards on 21 carries, scored the Cowboys' only touchdown with an 89-yard run. KANSAS CITY and MINNESOTA also gained their third victories when the Chiefs walloped New Orleans 27-7 and the Vikings defeated Chicago 34-14 as Reserve Quarterback Bob Lee passed for 223 yards and three touchdowns. George Blanda, less than a month shy of his 44th birthday, booted two field goals (42 and 43 yards), kicked two extra points and tossed a 35-yard TD pass to lead OAKLAND to a 20-7 win over Los Angeles. GREEN BAY won its first game for rookie Coach Dan Devine ( Missouri), 10-7 over Miami, as rookie Scott Hunter ( Alabama) threw a touchdown pass and rookie Dave Conway ( Texas) kicked a 27 yard field goal. ATLANTA also won its first game, beating Denver 27-10 on Bob Berry's two TD passes and Skip Butler's two field goals. WASHINGTON defeated St. Louis 20-13, while Joe Dawkins' two touchdown plunges and Benny Johnson's 93-yard kick-off return led HOUSTON to a 21-17 victory over Philadelphia. The NEW YORK Jets easily beat the New York Giants 27-14; SAN FRANCISCO took San Diego 28-17; Dennis Shaw threw two TD passes to O. J. Simpson as BUFFALO defeated New England 28-14; and DETROIT edged Baltimore 23-20 when Bill Munson flipped a four-yard touchdown pass to Larry Walton with only 18 seconds to go.
GOLF—LAURA BAUGH, 16, of Long Beach, Calif., became the youngest winner in the 71-year history of the U.S. Women's Amateur when she beat Beth Barry of Mobile, Ala. 1 up in the finals at the Atlanta Country Club.