A roundup of the week Feb. 11-17

BASKETBALL—Seattle stretched the league's longest active winning streak to seven with victories over New Jersey (122-107), Atlanta (93-86) and Denver (93-84) to increase its lead to two games over Los Angeles in the Pacific Division. Milwaukee, just 1½ games behind Kansas City in the Midwest, welcomed its new center, former Piston Bob Lanier, with a 109-107 win over Phoenix. The Bucks then beat Chicago 111-101, Golden State 120-103 and Houston 114-103 to run their victory string to six. The triumph at Houston broke a Rockets streak of five wins and left them a half game behind San Antonio and 4½ behind Atlanta in the Central Division. After the Celtics beat Detroit 128-111 for their seventh victory in a row, they lost to Phoenix 135-134 on Walter Davis' two free throws with 10 seconds remaining. Boston then increased its Atlantic Division lead over Philadelphia to 1½ games with a 106-91 victory over Portland.

BOWLING—JOE HUTCHINSON, 30, of Scranton, Pa., defeated Bill Coleman of Springfield, Ore. 247-224 to win a $125,000 tournament in Peoria, Ill.

BOXING—KIM TAE SHIK of South Korea knocked out defending champion Luis Iberra of Panama in the second round to win the WBA flyweight title, in Seoul.

DOG SHOWS—SIERRA CINNAR, a five-year-old Siberian husky owned by Kathleen Kanzler of Accokeek, Md., won best-in-show at the 104th Westminster Kennel Club Dog Show in New York.

GOLF—DOT GERMAIN shot a seven-under-par 209 to win the $100,000 S&H Golf Classic in St. Petersburg, Fla.

HOCKEY—With wins over Los Angeles, 5-2, and Winnipeg, 5-1, Philadelphia kept its 10-point lead over Buffalo in the NHL overall point standings. The Sabres, who had 79 points, beat St. Louis 4-2, Detroit 4-3 and tied third-place Boston 3-3. Earlier, Buffalo's five-game unbeaten streak had ended in a 3-2 loss to Montreal, which was in fourth place as the week ended with 70 points after winning 14 of its last 17 games. Chicago, which had lost only one of nine outings, stayed hot with a 3-2 win over Pittsburgh and a 3-1 victory against the Rangers. Atlanta defeated Colorado on a hat trick by Guy Chouinard and tied Detroit and Minnesota—each a 2-2 game—to remain unbeaten in seven games. In Hanford's 5-4 triumph over Winnipeg, Gordie Howe scored his 799th career goal, and in Edmonton's 8-2 drubbing of Washington, Wayne Gretzky overshadowed a Blair MacDonald hat trick with his seven assists, which tied the NHL record set by Detroit's Billy Taylor in 1947.

MOTOR SPORTS—Finishing under a caution flag, BUDDY BAKER, 39, drove his Oldsmobile to victory in the Daytona 500, averaging 177.602 mph, a world record for a 500 (page 58).

XIII WINTER OLYMPIC GAMES (page 16)—BIATHLON: 20 kilometers—1) ANATOLY ALABYEV (U.S.S.R.), 2) Frank Ullrich (E. Germany), 3) Eberhard R‚Äö√†√∂‚Äö√†√ásch (E. Germany).

BOBSLED: Two-man—1) ERICH SCH‚Äö√†√∂‚àö√´RER-JOSEF BENZ (Switz.), 2) Bernhard Germeshausen-Hans-Jürgen Gerhardt (E. Germany), 3) Meinhard Nehmer-Bogdan Musiol (E. Germany).

CROSS-COUNTRY SKIING: 5 kilometers, Women—1) RAISA SMETANINA (U.S.S.R.), 2) Hilkka Riihivuori (Finland), 3) Kveta Jeriova (Czech.); 10 kilometers, Women—1) BARBARA PETZOLD (E. Germany), 2) Hilkka Riihivuori (Finland), 3) Helena Takalo (Finland); 15 kilometers, Men—1) THOMAS WASSBERG (Sweden), 2) Juha Mieto (Finland), 3) Ove Aunli (Norway); 30 kilometers, Men—1) NIKOLAI ZIMYATOV (U.S.S.R.), 2) Vasili Rochev (U.S.S.R.), 3) Ivan Lebanov (Bulgaria).

FIGURE SKATING: Pairs—1) ALEKSANDR ZAITSEV-IRINA RODNINA (U.S.S.R.), 2) Sergei Shakrai-Marina Cherkasova (U.S.S.R.), 3) Uwe Bewersdorff-Manuela Mager (E. Germany).

LUGE: Men—1) BERNHARD GLASS (E. Germany), 2) Paul Hildgartner (Italy), 3) Anton Winkler (W. Germany); Women—1) VERA ZOLZUYA (U.S.S.R.), 2) Melitta Sollmann (E. Germany), 3) Ingrida Amantova (U.S.S.R.).

SKIING: Downhill, Men—1) LEONHARD STOCK (Austria), 2) Peter Wirnsberger (Austria), 3) Steve Podborski (Canada); Women—ANNEMARIE MOSERPR‚Äö√†√∂‚àö¬±LL (Austria), 2) Hanni Wenzel (Liecht.), 3) Marie-Theres Nadig (Switz.).

SKI JUMPING: 70-meter—1) ANTON INNAUER (Austria), 2) (tied) Manfred Deckert (E. Germany) and Yagi Hirokazu (Japan).

SPEED SKATING: 500 meters, Men—1) ERIC HEIDEN (U.S.A.), 2) Yevgeny Kulikov (U.S.S.R.), 3) Lieuwe De Boer (Netherlands); 500 meters, Women—1) KARIN ENKE (E. Germany), 2) Leah Poulos Mueller (U.S.A.), 3) Natalia Petruseva (U.S.S.R.); 1,000 meters, Women—1) NATALIA PETRUSEVA (U.S.S.R.); 2) Leah Poulos Mueller (U.S.A.), 3) Silvia Albrecht (E. Germany); 1,500 meters, Women—1) ANNIE BORCKINK (Netherlands), 2) Ria Visser (Netherlands), 3) Sabine Becker (E. Germany); 5,000 meters, Men—1) ERIC HEIDEN (U.S.A.), 2) Kai Arne Stenshjemmet (Norway), 3) Tom Erik Oxholm (Norway).

MILEPOSTS—FINED: By University of Oregon President William B. Boyd, six coaches, including head football coach RICH BROOKS, four of his assistants and swimming coach RICH SCHLEICHER, a reported $9,000 as a result of an investigation revealing that last year several Oregon football players and a swimmer had obtained phony academic credits.

INDICTED: By a Federal Grand Jury in Albuquerque, N.M., former New Mexico basketball Coach NORM ELLENBERGER and Assistant Coach JOHN WHISENANT on charges of mail fraud and racketeering in connection with the falsification of junior-college transcripts of Lobo players (page 11).

OVERTURNED: By the five-member Appellate Division of the New York State Supreme Court, a ruling by Justice Norman Harvey of the State Supreme Court that Liang Ren-Guay, a Taiwanese skier, had the right to march under the flag of the Republic of China and use its national anthem at the Winter Olympics. With that decision, the 18-member Taiwanese team withdrew from the Lake Placid Games rather than accept an International Olympic Committee ruling that would have required the Taiwanese to march under the Chinese Taipei Olympic Committee flag.

PLEADED GUILTY: In U.S. District Court in Harrisburg, Pa., Jockey LARRY REYNOLDS of Blackfoot, Idaho, to one count of conspiracy to fix races at Pocono Downs in 1974. Reynolds is the third jockey to plead guilty to charges involving fixing at that track.

TRADED: By the New Jersey Nets, Center RICH KELLEY, 26, to the Phoenix Suns for two draft picks and an undisclosed sum. By the Cleveland Cavaliers, Guard BUTCH LEE, 23, to Los Angeles for Forward DON FORD, 27. Earlier in the week the Lakers had sent rookie Guard OLIVER MACK, 22, to Chicago for third-year Forward MARK LANDSBERGER, 24.

By the San Diego Padres, former Cy Young award-winning (1972 and 1978) righthander GAYLORD PERRY, 41, and two minor leaguers to the Texas Rangers for First Baseman WILLIE MONTANEZ, 31, a three-time .300 hitter. The Padres also sent lefthanded Pitcher BOB OWCHINKO, 25, and Outfielder JIM WILHELM, 27, to Cleveland for Outfielder JERRY MUMPHREY, 27.

WAIVED: By the Indiana Pacers, three-time All-Star Guard PHIL CHENIER, 29, whose play had been hampered by a lower back injury for the last three seasons and who shot only .385 in 23 games this season.

DIED: Dr. JOHN MARSHALL, 43, team orthopedist for the New York Giants, consultant to the U.S. ski team and a prominent practitioner of sports medicine, in a crash of a private plane en route to the Olympics, near Saranac Lake, N.Y.

Lawrence M. (Biff) Jones, 84, former football coach at Army (1926-29), where he was team captain in 1917, Louisiana State (1932-34), Oklahoma (1935-36) and Nebraska (1937-41), in Washington, D.C. He had a career record of 87-33-15.