BASKETBALL—NBA: Eastern Division leader PHILADELPHIA (48-16) won five in a row, ranging from a 26-point victory over the Hawks to a one-point win over the Lakers in double overtime. After being humiliated by the Lakers 141-104, BOSTON (43-19) took four straight, but fell four games behind the 76ers, while NEW YORK (33-33) finally reached the .500 mark for the first time since November by winning two of three. CINCINNATI (30-34) lost two games, and then Oscar Robertson returned after missing 14 games because of a thigh injury. He scored 32 points in a 132—119 win over the Sonics, another 32 in a 125-91 victory over the Knicks and tossed in two foul shots with two seconds left to beat the Bullets 117-115. The Royals' modest winning streak boosted them into fourth place, ahead of DETROIT (29-34), which ran its losing streak to five with two more losses. BALTIMORE (27-37) split four games despite the impressive scoring feats of rookie Earl Monroe. Monroe tossed in 56 points in one game, 44 in another, but the Bullets lost both games. In a 136—116 win over the Rockets, however, Monroe scored 16 points, while Gus Johnson threw in 44. In the Western Division, ST. LOUIS (46-20) won only one of three games but managed to hold a 6�-game lead over second-place SAN FRANCISCO (39-26), which split four games, including a big 118-116 victory over up-and-coming LOS ANGELES (37-27). The Lakers climbed within 1� games of the Warriors by winning three of their other four games, as Jerry West popped in 47 points against the Bullets and 49 against the 76ers. CHICAGO (21-43) split four, SEATTLE (19-45) lost four of five and SAN DIEGO (14-52) dropped five more games to tie the NBA record of 17 straight losses.
ABA: PITTSBURGH (40-21) had a 2-1 record but saw its lead in the East cut to one game over second-place MINNESOTA (40-23), which won three of four. NEW JERSEY (31-33) climbed into third by winning three of four, while INDIANA (31-34) was losing three of five. The Americans' 130-119 victory over Anaheim set a team scoring record at home, and the 3,624 spectators set a new home-attendance mark. Last-place KENTUCKY (26-36) made a slight stir with three wins. In the West, NEW ORLEANS (39-24) held its three-game lead over DENVER (35-26), when each team won two and lost three. DALLAS (32-26) moved to within 1� games of second, snapping a six-game losing streak with a 114—101 win over Denver and winning four in a row by week's end. In an overtime loss to the Muskies, Cincy Powell tossed in 41 points, and in the win over the Rockets a night later he scored 43. OAKLAND (21-35) lost three of four, and HOUSTON (21-40), despite three losses in five games, crawled out of the cellar past ANAHEIM (21-41), which dropped four of five.
BOATING—Owner Huey Long of Larchmont, N.Y. announced before starting the 1,200-mile Buenos Aires- Rio de Janeiro race that he would break the elapsed time record—and he did just that when he skippered in his ketch ONDINE III, the successor to the famed Ondine II, with a winning time of 188:21:44. The elapsed time of 189:34:20 was two hours shorter than the previous record set by the Dutch ketch Stormvogel in 1962.
Red jacket, a 40-foot sloop skippered by Perry Connolly of Toronto, took the 403-mile St. Petersburg-Fort Lauderdale ( Fla.) race with a corrected time of 70:26:20.
COURT TENNIS—NORTHRUP KNOX of Buffalo, N.Y. successfully defended his world open championship in New York by beating George H. (Pete) Bostwick Jr. seven sets to three. It was the first world match played between amateurs.
CURLING—Joan Schwab skipped her ST. PAUL club to a 7-4 win over Mrs. Lawrence Barr's Chicago Curling Club team to take the USWCA championship in Duluth.
DOG SHOW—CH. STINGRAY OF DERRYABAH, a Lakeland terrier owned by Mr. and Mrs. James A. Farrell Jr. of Darien, Conn, took best-in-show honors at the 92nd Westminster Kennel Club show at New York's old Madison Square Garden.
GOLF—GEORGE KNUDSON, a 30-year-old Canadian pro, won the $100,000 Phoenix Open by three strokes over runners-up Julius Boros, Jack Montgomery and Sam Carmichael with a 72-hole total of 272.
HOCKEY—NHL: Dick Duff scored three goals as MONTREAL (32-15-9) edged Pittsburgh 4-3 and boosted its lead in the East to eight points. It was the Canadiens' third victory of the week, sixth in a row and 18th in their last 19 games. CHICAGO (26-18-13) regained second place by beating the Bruins 3-1 and walloping the Red Wings 7-4 on Chico Maki's three goals and Bobby Hull's four assists. NEW YORK (26-18-11) also took two games and moved into third place, two points behind the Hawks. In defeating Minnesota 6-2 and the Maple Leafs 3-2 Rod Gilbert totaled three goals and four assists, while Jean Ratelle had three goals and three assists. Two losses dropped BOSTON (26-20-10) from second to fourth, and TORONTO'S (23-23-9) three defeats extended the Maple Leafs' losing string to six. Last-place DETROIT (20-26-10) was almost as bad, since the Red Wings dropped two and stretched their nonwinning streak to six. In the West, PHILADELPHIA'S (25-22-8) lead dwindled to four points over MINNESOTA (22-24-10) when the Flyers lost two and the second-place North Stars (page 28) tied one, dropped two. Third-place LOS ANGELES (24-27-5) and fourth-place ST. LOUIS (20-24-11) both tightened up the Western Division race when the Kings won two, tied one and the Blues tied two, won one. PITTSBURGH (20-27-9) dropped two of three, while last-place OAKLAND (13-33-11) shut out the Flyers 4-0 and beat the Bruins 3-1.
HORSE RACING—SETTE BELLO ($100), ridden by Earlie Fires, won by a head over Favorable Turn and Bold Hour, who tied for second, in the 1�-mile, $143,000 Widener Handicap at Hialeah.