A Roundup of the Week Feb. 13-19

PRO BASKETBALL—In the Atlantic Division, the pacesetting Knicks won two of three games and took a 5½-game lead over the second-place Sixers, who split their four games. In the second of Philadelphia's victories over the Pacers, guard Maurice Cheeks scored the 10,000th point of his 10-year NBA career. Meanwhile, the third-place Celtics suffered through a brutal western swing, losing all four of their games and dropping 10½ games behind New York. The Central Division-leading Cavaliers, who continue to have the league's best record (38-12), won three of four games, including a 129-107 triumph over the Knicks in which they blocked 17 shots. Cleveland's subsequent 118-100 win over the Sixers was its 17th straight at home. The Cavs stumbled on the road, falling to the Hawks 108-100 as Atlanta's Dominique Wilkins scored 32 points. The Rockets stayed one game ahead in the Midwest Division by winning all three of their games, including a 121-111 romp over Denver in which Akeem Olajuwon had 34 points and 15 rebounds. The second-place Jazz went 3-0, too. In Utah's 107-93 beating of the Spurs, Mark Eaton tied his career high of 14 blocks. The Lakers won two of three games and led the Pacific Division by a mere 1½ games over the onrushing Suns. Phoenix (page 38) won three straight, including a 135-126 defeat of the Celtics that gave them a sweep of their season series with Boston for only the second time in the Suns' 21-year history. The SuperSonics. third in the Pacific, won three games, the last a 116-115 squeaker over the Trail Blazers that spoiled the debut of Portland coach Rick Adel-man, who replaced the fired Mike Schuler (127-84 in his 2½ seasons in Portland).

BOWLING—BRIAN VOSS defeated Walter Ray Williams Jr. 245-223 to win a PBA event and $38,000 in New Orleans.

BOXING—PERNELL WHITAKER won the IBF lightweight title with a 12-round unanimous decision over defending champion Greg Haugen in Hampton, Va. (page 44).

Simon Brown scored a third-round TKO against Jorge Maysonet to retain his IBF welterweight title in Budapest, Hungary.

GOLF—GREG TWIGGS shot a final-round three-under-par 69 to beat Steve Elkington, Mark Wiebe, Brad Faxon and Mark O'Meara by two strokes and win a PGA Tour event in La Jolla, Calif. He finished at a 17-under-par 271 and received $126,000.

Sherri Turner beat Sara Ann McGetrick by four strokes to win the Hawaiian Ladies Open and $45,000, in Kahuku. Her 11-under-par 54-hole total of 205 was a tournament record.

HOCKEY—The Norris Division-leading Red Wings increased their cushion over St. Louis and Chicago to 11 points despite a 1-2-1 week. During a 4-2 win over the North Stars, a first-period goal by Detroit's Gerrard Gallant gave the line of Gallant, Steve Yzerman and Paul Mac Lean 115 for the year, the most ever by a Red Wing line. The illustrious trio of Alex Delvecchio, Gordie Howe and Frank Mahovlich had set the record 20 years ago. The Smythe Division leaders, the Flames, beat Winnipeg 6-1 but then had their 12-game unbeaten streak snapped by the Bruins 4-3. In the Kings' 11-3 rout of the Nordiques, Wayne Gretzky scored two goals and had five assists, giving him 1,800 career points in a mere 10 years. The only other player to reach the 1,800-point plateau is Howe, who required 26 seasons. The top of the Patrick Division became more congested when both the first-place Penguins and the second-place Rangers won only one of three games. New York was pummeled 10-6 by the lowly Maple Leafs for its sixth loss in seven games but then beat Pittsburgh 5-3. The Caps moved from third into a tie with the Rangers, one point behind Pittsburgh, after beating the Blues and the Oilers. In the Adams Division. Montreal remained on top with a 2-1-1 week. After a 3-2 loss to Quebec, the Canadiens gave 17-year veteran defense-man Larry Robinson a seven-day midseason vacation in the Florida sun while the rest of the team went on the road. Montreal proceeded to beat the Flyers 7-4 and the Blues 4-2, and to tie the Black-hawks 4-4, thereby becoming the first team to clinch a playoff berth. Boston was healthy on defense for the first time in months and had a 3-1 record out west, defeating Los Angeles 7-3 and then sweeping Alberta by beating Calgary (4-3) and Edmonton (4-2) on successive nights.

HORSE RACING—DIXIELAND BRASS ($4.40), Randy Romero up, beat Mercedes Won by 1¼ lengths to win the Fountain of Youth Stakes and $78,000, at Gulfstream Park. The 3-year-old colt ran the 1[1/16] miles in 1:44[3/5] (page 48).

INDOOR SOCCER—First-place Baltimore won twice before losing 6-5 in overtime to Los Angeles. Lazer goaltender Kris Peat made 23 saves, and Hector Marinaro scored the winner 4:44 into sudden death. Dallas suffered through a rough week: The Sidekicks filed for Chapter 11 bankruptcy protection, lost two games to Baltimore before beating Kansas City 4-3 in double OT, and dropped from second place to third.

MOTOR SPORTS—DARRELL WALTRIP, in a Chevrolet, averaged 148.466 mph around the 2.5-mile Daytona International Speedway oval to win the Daytona 500 and $184,400. He finished 7.64 seconds ahead of Ken Schrader, also in a Chevy (page 46).

TENNIS—BORIS BECKER defeated Alexander Volkov 6-1, 6-2 to win a Grand Prix tournament and $75,000 in Milan, Italy.

Brad Gilbert won a Grand Prix tournament and $53,550 when Johan Kriek retired after two sets because of a groin injury, in Memphis.

Steffi Graf beat Zina Garrison 6-1, 7-5 in the final of a women's tour event in Fairfax, Va., to earn $60,000.

MILEPOSTS—ARRESTED: By FBI agents, Oklahoma quarterback CHARLES THOMPSON, 20, on charges of having allegedly sold 17 grams of cocaine for $1,400 to an undercover agent on Jan. 26 (page 20).

SIGNED: By the Los Angeles Dodgers, righthanded pitcher OREL HERSHISER, 30, to a three-year contract worth $7.9 million. In 1989 Hershiser will earn a single-season major league record $2,766,667, including a one-year pro rata share of his $1.1 million signing bonus.

TRADED: By the Dallas Mavericks, forward MARK AGUIRRE, 29, to the Detroit Pistons for forward ADRIAN DANTLEY, 32.

By the Indiana Pacers, forward WAYMAN TISDALE, 24, to the Sacramento Kings for guard RANDY WITTMAN, 29, and center LASALLE THOMPSON, 27.

By the New York Islanders, defenseman TOMAS JONSSON, 28, to the Edmonton Oilers for a future draft choice.

DIED: VERNON (Lefty) GOMEZ, 80, former New York Yankee pitcher: of congestive heart failure and pneumonia; in Larkspur, Calif. Gomez, whose 14-year career record was 189-102, was the winning pitcher in the first All-Star Game, in 1933, and was inducted into the Hall of Fame in 1972.