BOATING—Atlanta Braves owner Ted Turner skippered COURAGEOUS to a 7-1 record in the America's Cup Preliminary Trials off Newport. Enterprise was 4-6 and Independence 2-6 (page 18).

BOXING—Puerto Rico's ESTEBAN DE JESUS retained his WBC lightweight title by knocking out Vicente Saldivar of Mexico in the 11th round in San Juan.

GOLF—Masters champion TOM WATSON shot a fourth-round 69 to win the Western Open at Oak Brook, Ill. by one stroke over Wally Armstrong and Johnny Miller. Watson finished at five-under-par 283 over the demanding 7,032-yard Butler National Course, and the $40,000 first prize boosted his tour-leading 1977 earnings to $269,115.

Debbie Austin won her second tournament on the LPGA tour with a two-stroke victory over Judy Rankin and Jan Stephenson in the Hoosier Classic in Plymouth, Ind. Austin shot 70-70-67—207, five under par, for the $7,500 first-place check.

HARNESS RACING—WARM BREEZE ($2.60), driven by Dick Farrington, broke the world harness racing record for the mile by a full second with a 1:53[1/5] clocking at Golden Bear Raceway in Sacramento. The 4-year-old son of Bret Hanover finished 18¼ lengths ahead of the second-place horse, It's Only Money, as he eclipsed Jade Prince's 1976 mark.

HORSE RACING—THE MINSTREL, Lester Piggott up, won the Irish Sweeps at the Curragh racetrack outside Dublin. The 11-to-10 favorite covered the 1½ miles in 2:31.9 to beat Lucky Sovereign by 1½ lengths and earn $123,755. It was Piggott's fourth Sweeps victory.

Glenaris ($10.20), under Bill Shoemaker, won the $114,100 Hollywood Oaks by one length over One Sum at Hollywood Park. The Art Stollery filly was timed in 1:48[4/5] over a fast track for the 1‚⅛ miles.

Sound Reason ($5.10), ridden by Robin Platts, finished half a length ahead of favored Northernette in the 118th running of the Queen's Plate in Toronto.

HYDROPLANING—BILL MUNCEY, 48, drove his Atlas Van Lines hull to his third straight unlimited hydroplane victory this season in the Gar Wood Trophy race on the Detroit River before a crowd of 400,000. Muncey averaged 111.883 mph in the 45-mile race.

MOTOR SPORTS—TOM SNEVA averaged 152.931 mph in a McLaren-Cosworth to win the Schaefer 500 at Pocono Raceway by 1.85 seconds over teammate Mario Andretti (page 52).

SHOOTING—Captain LANNY BASSHAM, the Olympic gold medal winner, successfully defended his individual title in the three-position small-bore competition at the international championships in Phoenix. Bassham, of San Antonio, scored 3,462 of a possible 3,600 points to beat Rod Fitz-Randolph by 12 points.

SOCCER—It was quite a week in Chicago. On Monday Head Coach Bill Foulkes resigned for "personal reasons." He was replaced by Assistant Coach Willie Roy, the NASL's Rookie of the Year in 1967, who promptly registered his first victory as the Sting squeaked by Washington 1-0 on a Ron Moore tally with 1:19 left in overtime. But Moore was just warming up. He scored all five of Chicago's goals in a 5-2 win over Vancouver on Friday. Moore, a 24-year-old striker from England, joins the Cosmos' Giorgio Chinaglia and Los Angeles' Steve David as the only NASL players to score five goals in a game. The two victories moved Chicago into third place in the Northern Division. In the East, Fort Lauderdale's Colin Fowles and George Nanchoff found the net within :15 of each other to set an NASL record in a 3-0 victory over Dallas. After winning five straight, the Cosmos lost to St. Louis for the second time this season but then rebounded with a 5-2 victory on Sunday against Los Angeles. Pelé treated the 57,191 Meadowlands fans to his third hat trick of the season. The Aztecs retained a two-point lead over Dallas, which beat Minnesota 4-1 as Kyle Rote Jr. picked up his ninth goal of the season. The Kicks bounced back, Ron Futcher scoring both goals in a 2-1 defeat of Washington that gave Minnesota a 13-point lead in the West.

TRACK & FIELD—HOUSTON McTEAR turned in a 10.13 clocking in the 100-meter dash at an international meet in Cologne, West Germany, beating Olympians Don Quarrie and Johnny Jones. Kenya's MIKE BOIT held off a late challenge by 23-year-old Mark Enyeart to win the 800 in 1:44.4. Enyeart was timed in 1:44.8, a personal record.

The UNITED STATES men's team dominated a triangular meet in Turin, Italy, beating Britain 135-86 and Italy 127-94. Among the victorious Americans were LARRY JESSE in the pole vault (17'8½"), RON LIVERS in the triple jump (54'10") and ROBERT GAINES in the 100-meter hurdles (13.95).

The U.S.S.R.'s TATYANA STOROSHEVA broke the world record in the women's 400-meter hurdles with a time of 55.74 in Berlin. The old record of 56.51 was held by Poland's Krystyna Kasperczik, who finished second to Storosheva.

VOLLEYBALL—Wilt Chamberlain made his season debut and helped the Orange County Stars slip by Denver 10-12, 12-6, 12-4, 5-12, 6-1. The Big Dipper contributed 17 kills and 10 stuff-blocks. In the West, The Stars (4-2) are one-half game in front of Santa Barbara (3-2), which beat Wilt & Co. 7-12, 12-10, 12-10, 12-4 before 3,845 fans at UC-Santa Barbara's Robertson gym. Third-place San Diego signed Rudy (The Tazmanian Devil) Suwara, player-coach of last year's championship Breaker team, in an attempt to bolster its 2-4 record. Eastern Division co-leader Denver (4-3) took to the road and dropped three of four.

MILEPOSTS—ELECTED: JOHN ZIEGLER Jr., 43, as president of the National Hockey League. Ziegler replaces Clarence Campbell, who had held the position for 32 years. Ziegler will be the NHL's fourth president and the first American to hold the post.

FIRED: FRANK LUCCHESI, 49, as manager of the Texas Rangers. Lucchesi guided the Rangers to a third-place finish, a tie for fourth and a 142-149 record in his 2½ years at the helm. He was replaced by 59-year-old EDDIE STANKY, who directed Texas to a 10-8 victory over Minnesota and then abruptly quit because he was "homesick" for his family in Mobile, Ala. Third-base Coach CONNIE RYAN, 57, was named interim manager of the Rangers.

DIED: J. WALTER KENNEDY, 64, commissioner of the National Basketball Association from 1963 to 1975; of cancer; in Stamford, Conn., of which he was formerly mayor. Kennedy led the league through several expansions and negotiated lucrative TV contracts.

DIED: FRED CORCORAN, 72, longtime golf executive and promoter; of a stroke; in White Plains, N.Y. Corcoran was PGA tournament director from 1936 to 1947 and promotions director of the PGA from 1952 to 1955. He helped organize the LPGA and instituted the World Cup in 1954. Corcoran was inducted into the World Golf Hall of Fame last year.