A roundup of the sports information of the week

BOATING—WILDWIND, a 32-foot Class D catamaran, took the first world championship regatta for multihulls without meeting a competitor of her own size or speed, off Kings Point, N.Y. (page 32).

BOXING—Philadelphia's JOE FRAZIER was knocked down twice in the second round by Oscar Bonavena of Argentina, but bounced back to win a 10-round split decision in Madison Square Garden (page 72).

"Obviously I think I could beat Cassius Clay, or I wouldn't be carrying on like this," said former Heavyweight Champion FLOYD PATTERSON after he strengthened his comeback hopes by knocking out Henry Cooper, the British heavyweight, in 2:20 of the fourth round of their scheduled 10-rounder in Wembley, England. Even Champion Cassius Clay, who saw the fight tapes later, said, "Floyd looked impressive."

Former Middleweight Champion JOEY GIARDELLO decided not to retire after all and, in his first fight in 11 months, gained a unanimous 10-round decision over Cash White of Atlantic City, N.J., in Reading, Pa.

FOOTBALL—NFL: Paul Hornung scored two touchdowns as GREEN BAY defeated Los Angeles 24-13 and held first place in the West with a 3-0 record. The previously unbeaten Rams (page 36) dropped out of a tie for the lead into a three-way tie for second with BALTIMORE and DETROIT, all with 2-1 records. The Colts smashed San Francisco 36-14 as Lou Michaels kicked five field goals to equal the NFL single-game record and the Lions beat winless Atlanta 28-10. In the Eastern Conference, first place ST. LOUIS remained undefeated (3-0) with a 34-28 win over Cleveland. Behind 28-14 in the third period, Charley Johnson threw two TD passes and Prentice Gautt ran for a 23-yard touchdown to lift the Cards past the Browns. Undefeated DALLAS (2-0) remained in second with a 28-17 win over Minnesota and third-place PHILADELPHIA beat New York 35-17. WASHINGTON scored 24 points in the second half to overtake Pittsburgh 33-27 for the Redskins' first victory in three tries.

AFL: Winless Denver (0-3) almost spoiled NEW YORK's unbeaten record (3-0), but Joe Namath fired a short TD pass to Matt Snell with less than nine minutes left to give the Jets a 16-7 victory and a 1½-game lead in the East. BUFFALO, on Hagood Clarke's 66-yard TD run with an intercepted pass in the last 27 seconds, edged Houston 27-20 and tied the Oilers for second. In the West KANSAS CITY and SAN DIEGO remained undefeated (3-0) as the Chiefs whipped Boston 43-24 on Len Dawson's five TD passes, and the Chargers beat Oakland 29-20.

GOLF—HOMERO BLANCAS of Houston, last year's PGA Rookie of the Year, shot an 18-under-par 266 to win the Greater Seattle-Everett Open in Everett, Wash. by one stroke over Jacky Cupit. It was Blancas' first victory on the tour.

Gloria Ehret, a 25-year-old from Allentown, Pa., also gained the first victory of her two-year career on the pro tour when she finished with a two-under-par 282 to beat Mickey Wright, winner of three straight previous tournaments, by three strokes for the LPGA championship in Las Vegas.

GYMNASTICS—JAPAN won its second straight world men's team championship in Dortmund, Germany by defeating Russia by 4.25 points, although the Soviet Union's MIKHAIL VORONIN took the men's individual all-round title and the rings gold medal. CZECHOSLOVAKIA gained the women's team title as its top performer, Olympic champion VERA CASLAVSKA, a 24-year-old secretary, won the women's all-round and the long-horse vault. Miss Caslavska was outclassed in the other events, however, by NATALIA KUTSHINSKAYA, a Russian teen-ager, who won the floor-exercise, parallel-bar and balance-beam competition, placed second in the all-round and third in vaulting for a total of five medals. Also taking five medals, in the men's competition, was AKINORI NAKAYAMA of Japan, who scored first in floor exercise and horizontal bar, second in rings and third in all-round and parallel bars.

HARNESS RACING—ROMEO HANOVER ($2.80 in the first heat, barred from betting in the second) gained the second leg in pacing's Triple Crown when he won both heats (2:01 2/5 and 1:59 3/5) of the Little Brown Jug in Delaware, Ohio (page 34).

Bret Hanover ($2.20) became the top money winner in harness racing history when he won the $50,000 Harness Tracks of America championship pace at Liberty Bell and increased his total earnings to $897,615 in three years, $12,520 more than the now-retired trotter Su Mac Lad collected in his 10-year career. Bret's win, in 1:59, was his 29th victory under the two-minute mark.

HORSE RACING—"He was not a gentleman today," said George D. Widener's 83-year-old trainer, Bert Mulholland, when his horse acted up at post time, but, gentleman or not, BOLD HOUR ($4.80) took Aqueduct's $147,130 Futurity by half a length over Wheatley Stable's Successor.

George A. Pope Jr.'s HILL RISE, ridden by British Jockey Lester Piggott, beat Paul Mellon's Silly Season, the favorite, by a neck to win the one-mile Queen Elizabeth II Stakes at Ascot, England. Pope, who flew to England for the race, plans to enter Hill Rise in Longchamp's 1½-mile Prix de l'Arc de Triomphe on October 9.

Joe Leitner's favored Go Dick Go, winner of the All American Quarter Horse Futurity in New Mexico (SI, September 26) two weeks ago, was defeated by half a length by DIAL THREE BARS ($17) in the $75,000 Evangeline Quarter Horse Futurity for 2-year-olds in Lafayette, La.

MOTOR SPORTS—MARK DONOHUE of Stony Brook, N.Y. won the third leg of the Canadian-American Challenge Cup series, a 209-mile race in Mosport Park, Ont., as minor accidents and mechanical difficulties forced 19 of the starting 29 to the sidelines (page 76).

Australia's JACK BRABHAM, who clinched the world driving championship in his Formula I Brabham-Repco a few weeks earlier, won his 10th Formula II race this season when he drove his Brabham-Honda to victory in the Grand Prix at Albi, France.

TENNIS—In a stunning upset, ALLEN FOX of Los Angeles, who is unranked in the U.S. because of insufficient play, took only 47 minutes to beat Australia's Roy Emerson 6-3, 6-3 in the finals of the Pacific Southwest tennis tournament in Los Angeles. Along the way, Fox defeated Wimbledon Champion Manuel Santana and Fred Stolle, winner of the U.S. title at Forest Hills two weeks ago.

MILEPOSTS—SIGNED: A three-year, $3.6 million contract with CBS-TV by the NATIONAL HOCKEY LEAGUE, last of the major professional sports without a network television affiliation. This season CBS plans to televise only the weekend games of the Stanley Cup playoffs, but during the following two seasons the network will show regular-season afternoon games on Saturdays and Sundays.

REINSTATED: REGGIE HARDING, 24, the 7-foot Detroit Piston center who was suspended by the National Basketball Association a year ago for conduct detrimental to pro basketball, after an appeal hearing with NBA Commissioner Walter Kennedy.

TRADED: By the Los Angeles Lakers, Center LeROY ELLIS, 26, to the Baltimore Bullets for JIM (Bad News) BARNES, 25, who plays both center and forward. Barnes was obtained by the Bullets in midseason last year from the New York Knicks.

DIED: KALMAN BLAHO, 46, coach of the U.S. national canoe team; of a heart ailment in Plymouth, Ind. Blaho's U.S. paddlers had registered a major upset a week earlier in the North American Canoe Championships by tying Defending Champion Canada for first place.