A Roundup Of The Week Oct. 5-11

TENNIS—After a three-month sabbatical, top-seeded YANNICK NOAH of France downed Ronald Agenor of Haiti 7-6, 6-4, 6-4 to win $40,000 and the Swiss Indoor title, in Basel.

Brad Gilbert beat Eliot Teltscher 6-2, 6-2 to take the WCT Scottsdale ( Ariz.) Open and the $46,400 first prize.

Top-seeded STEFFI GRAF of West Germany defeated Manuela Maleeva of Bulgaria 6-1, 6-2 to win a tournament in Mainz, West Germany.

TRIATHLON—DAVE SCOTT, 33, of Davis, Calif., won his sixth 140.6-mile Ironman Triathlon World Championship, in Kailua-Kona, Hawaii, in 8:34:13. ERIN BAKER, 26, of New Zealand, won the women's title, in 9:35:25.

YACHTING—J.J. ISLER of San Diego, the skipper of Whiteout, beat Cory Fischer of Annapolis by one point to win the Women's International Keelboat Championship in Newport, R.I. The victory gives Isler the right to compete against both men and women at the 1988 J-24 world championships, in January, in Sydney.

MILEPOSTS—ACQUIRED: In the NHL waiver draft, left wing CHARLIE SIMMER, 33, by the Pittsburgh Penguins; right wing WILLI PLETT, 32, by the Boston Bruins; and defenseman ED HOSPODAR, 28, by the Buffalo Sabres. There were 19 transactions in all.

HONORED: By the U.S. Baseball Federation, as the outstanding amateur player in the country, pitcher JIM ABBOTT, 20, a junior at the University of Michigan. Abbott, who was born without a right hand, helped lead Team USA to the silver medal at the Pan American Games in Indianapolis this past summer with a 2-0 record and a 0.00 ERA. With the Wolverines, Abbott was 11-3 with a 2.08 ERA last spring.

TRADED: By the New Jersey Nets, center DARRYL DAWKINS, 30, and forward JAMES BAILEY, 30, to the Cleveland Cavaliers, in exchange for guard JOHN BAGLEY, 27, and forward KEITH LEE, 24. The Cavaliers then sent Dawkins and center MEL TURPIN, 26, to the Utah Jazz for center KENT BENSON, 32, and guard DELL CURRY, 23.

DIED: BOBBY WALSTON, 58, former end and kicker for the Philadelphia Eagles from 1951 to '62, whose 881 points are the most in club history; of a heart attack; in Elk Grove Village, Ill.