A roundup of the week Aug. 22-28

AUTO RACING—NIKI LAUDA drove his Ferrari to victory in the Dutch Grand Prix in Zandvoort, ahead of Jacques Laffite in a Ligier-Matra, and took a 21-point lead over Jody Scheckter for the Formula I world drivers championship.

PRO FOOTBALL—Dallas need no longer wait for Tony Dorsett to arrive. He has. The rookie churned out 99 yards in 18 carries against Baltimore, including an electrifying 17-yard run that helped set up Efren Herrera's 33-yard field goal with one second left that beat the Colts 23-21. Joe Namath tossed a touchdown pass to Wendell Tyler in the second quarter, and Pat Haden flipped a scoring strike to Harold Jackson in the third. Still, Los Angeles lost to Kansas City, which got fourth-quarter touchdown runs from Tony Reed and Pat McNeil to beat the Rams 27-19. New Orleans suffered its first preseason loss to the New York Jets, who celebrated their second win, 20-14. Jet Reserve Quarterback Matt Robinson threw two touchdown passes, a six-yarder to Rich Caster and a 57-yarder to Richard Osborne. Oakland smashed San Diego 35-7 as Ken Stabler and Mike Rae each led the Raiders to a pair of touchdowns. Cincinnati rolled up 223 yards and four touchdowns in the first half and blew by St. Louis 33-9. Washington's Billy Kilmer threw a 14-yard touchdown pass to Larry Jones, and Mark Moseley kicked two field goals to lift the Redskins past Green Bay 13-9. Atlanta took advantage of two late Tampa Bay miscues and got a 42-yard field goal from Allan Leavitt and a one-foot touchdown plunge by June Jones to beat the Buccaneers 30-21. New England tied Pittsburgh with 14 seconds left to play on a six-yard touchdown pass from Steve Grogan to Russ Francis, then won in sudden death on a 32-yard field goal by John Smith. Philadelphia defeated Denver 28-24 on a 90-yard kickoff return by Wilbert Montgomery and two Ron Jaworski touchdown passes.

GOLF—HALE IRWIN, with rounds of 65, 62, 69 and 68 for a 20-under-par 264, cruised to a five-stroke victory over Leonard Thompson in the Colgate-Hall of Fame Classic on the Pinehurst (N.C.) No. 2 course.

Bonnie Lauer shot a final-round, six-under-par 67 for a 212 total, coming from three strokes back to win the Patty Berg Classic in St. Paul, Minn. by two strokes over Laura Baugh and Mary Horner, worth $8,250.

The U.S. retained the Walker Cup, beating Great Britain 16-8 at Shinnecock Hills in Southampton, N.Y. (page 88).

HARNESS RACING—GREEN SPEED ($3.40), driven by Billy Haughton, won the $239,000 Yonkers Trot, the first leg of trotting's triple crown, in a stakes-record 1:59, at Yonkers Raceway, N.Y.

HORSE RACING—AFFIRMED ($6.60), ridden by Steve Cauthen, beat Alydar by half a length to win the 6½-fur-long $80,175 Hopeful for 2-year-olds at Saratoga, N.Y. in 1:15⅖ a stakes record (page 85).

SOCCER—The COSMOS won the NASL championship Soccer Bowl, beating Seattle 2-1 in Portland (page 14).

SWIMMING—The U.S. defeated East Germany 176-168 and set three world records at a dual meet in East Berlin (page 18). JOE BOTTOM broke the 100-meter butterfly record by .09 with a 54.18; BRIAN GOODELL bettered his own 400-meter freestyle mark by .37 with a 3:51.56; and JACK BABASHOFF, BOTTOM, RICK DeMONT and JAMES MONTGOMERY lowered the 400-meter freestyle relay mark by 3.74 seconds, to 3:21.11. East Germany's CHRISTIANE KNACKE broke the 100-meter women's world butterfly record by .35 with a 59.78, and ULRIKE TAUBER lowered her own 200-meter individual medley world mark from 2:15.95 to 2:15.85.

TENNIS—WTT: New York won its second straight league championship, sweeping Phoenix 27-22 and 28-17 in the final series. In the clincher in Phoenix, the Racquets' Chris Evert and Kristien Shaw blasted Virginia Wade and Billie Jean King in the women's doubles 6-3, but then Wade, playing with Wimbledon-like intensity, walloped Evert 6-0. King and Ray Ruffels topped Shaw and Ross Case 6-4 in mixed doubles, and Sandy Mayer beat Phoenix' Butch Walts 6-1 in the men's singles.

Martina Navratilova beat Mima Jausovec 3-6, 6-2, 6-1 to win the Women's Tennis Classic and $6,000 in Charlotte, N.C.

TRACK & FIELD—ALBERTO JUANTORENA of Cuba defeated Kenyan Mike Boit by one second in their long-awaited confrontation at 800 meters in an international meet in Zurich, covering the distance in 1:43.6, .2 off his world record, In the 5,000 meters, MARTY LIQUORI set an American record of 13:16, lowering Duncan Macdonald's mark by 3.4 seconds.

Rosemarie Ackermann of East Germany improved her world record for the women's high jump by 1¼" with a leap of 6'6¾" in West Berlin.

VOLLEYBALL—In this, the regular season's final week, every team but Tucson is in contention for four playoff berths. Santa Barbara, in second place in the West, shocked division-leader Orange County twice and moved to within 1½ games. In the Continental Division, Denver leads El Paso-Juarez by 2½ games.

WORLD UNIVERSITY GAMES—The U.S. men's basketball team took the gold medal in Sofia by routing the Soviet Union 87-68. Sid Moncrief of Arkansas was high scorer with 16 points. The U.S. women got the silver medal, losing to the Soviet Union 107-90. The Soviet Union was first in the medal standings with 92, and the U.S. was second with 43.

MILEPOSTS—HIRED: FRANK McLAUGHLIN, 30, as head basketball coach at Harvard. McLaughlin, who spent the last six years as an assistant coach at Notre Dame, replaces Tom (Satch) Sanders.

HIRED: JEAN-GUY TALBOT, 45, as coach of the New York Rangers. A former defenseman for the Montreal Canadiens, Talbot coached the St. Louis Blues for parts of the 1972-73 and 1973-74 seasons and last year served as the Rangers' assistant coach. He replaces John Ferguson, who remains as general manager.

PLACED ON PROBATION: By the NCAA, the University of Nevada, Las Vegas, for two years, for violations in its basketball program between 1971 and 1975. The Rebels are banned from postseason competition and NCAA-sanctioned television appearances.

RETIRED: JOHN VAUGHT, 68, after four years as athletic director of the University of Mississippi, effective Jan. 1. As head football coach at Ole Miss from 1947 until 1970, and in 1973, Vaught's teams won six Southeastern Conference titles, appeared in 18 bowl games and had a record of 190-61-12.

SUSPENDED: For 30 days, by the New York State Racing and Wagering Board, DR. JAMES HILL; for his undisclosed and unlicensed part ownership of four horses, including Seattle Slew. During Hill's suspension, Slew is banned from racing in New York, and possibly in other states where there is reciprocity on suspensions.