BASKETBALL—NBA: Eastern leader PHILADELPHIA (5-0), boosted by Wilt Chamberlain's 53 rebounds in two games, remained unbeaten as the 76ers defeated the Bullets 130-110 and the Celtics 138-96. BOSTON (4-1), won its fourth straight—123-100 over the Bulls-before its shocking 42-point loss to the 76ers. NEW YORK (4-3), in third place in the East, split with the Lakers, while CINCINNATI (2-4) dropped two before defeating the Hawks 121-118 on Jerry Lucas' 20 points and 26 rebounds. Last-place BALTIMORE (1-7) won its first game of the season, 122-116 over the Royals, then lost three more. In the topsy-turvy Western Division, DETROIT (5-3), the surprise leader, took three straight—from the Bulls 129-117, the Bullets 103-97 and the Lakers 124-121—as Eddie Miles scored 83 points. Second-place SAN FRANCISCO (4-3) won two games when Rick Barry tossed in 28 points against Baltimore and matched his career high with 57 against Cincinnati. CHICAGO (4-4) dropped two; ST. LOUIS (3-3) split two; and last-place LOS ANGELES (2-6) lost three of four. Worse yet, the Lakers, who are still minus the injured Jerry West, lost Elgin Baylor for as much as three weeks when he strained a ligament in his right knee during a game with the Knicks.
BOATING—Millionaire PETER ROTHSCHILD of Beverly Hills drove his 23-foot, single-engined Thunderballs to victory in the 440-mile Long Beach-to-San Francisco powerboat race (page 20).
BOXING—ZORA FOLLEY of Chandler, Ariz., the No. 2 ranked heavyweight contender, scored a unanimous 10-round decision over San Francisco's Henry Clark in Sacramento.
World Bantamweight Champion MASAHIKO (Fighting) HARADA of Japan won a unanimous decision over Antonio Herrera of Colombia in a 12-round nontitle bout in Osaka, Japan.
FOOTBALL—NFL: Western Division leader GREEN BAY (7-1) beat Detroit (2-6) 31-7 as Elijah Pitts, subbing for the ailing Paul Hornung, scored three touchdowns, and second-place BALTIMORE (5-2) defeated Los Angeles (4-4) 17-3 on Johnny Unitas' two TD passes—89 and 17 yards—to John Mackey. While increasing his career passing yardage to 28,375, Unitas broke Y. A. Tittle's NFL record. MINNESOTA (2-4-1), led by Fran Tarkenton, who passed for two touchdowns (eight yards to Jim Phillips and 40 to Preston Carpenter) and scored two others, climbed out of the cellar with a 28-3 victory over San Francisco (3-3-1). In the East, Don Meredith passed for four TDs as DALLAS (5-1-1) battered Pittsburgh (1-5-1) 52-21, while CLEVELAND (5-2), in third, routed winless Atlanta (0-8) 49-17 on Frank Ryan's four TD passes and a 70-yard run by Leroy Kelly. WASHINGTON (5-3) turned an intercepted pass by Defensive Halfback Jim Shorter and a fumbled kickoff (recovered by Rookie End Pat Hodgson) into two touchdowns late in the fourth period and beat Philadelphia (4-4) 27-13.
AFL: BOSTON (4-2-1), with Jim Nance scoring two touchdowns, beat Oakland (4-4) 24-21 and took over first place in the East when BUFFALO (4-3-1) defeated New York (4-3-1) 33-23. The Jet loss dropped them into a tie for second with the Bills. In the West, KANSAS CITY (6-2) held its half-game lead with a 48-23 victory over Houston (3-5), as runner-up SAN DIEGO (5-2-1) edged last-place Denver (1-7) 24-17.
GOLF—AUSTRALIA defeated the U.S. by two strokes (877-879) in winning the Eisenhower Trophy, symbol of the men's world amateur team championship, in Mexico City (page 28).
Arnold Palmer fired rounds of 67-70-66-73 for a 20-under-par 276 to take the Australian Open in Brisbane by five strokes over Australian Kel Nagle. It was Palmer's first victory in six months.
Kathy Whitworth, the leading money-winner on the LPGA tour, shot a 54-hole total of 214 to win the Las Cruces (N.Mex.) Open by six strokes over Marilynn Smith.
HARNESS RACING—ROMEO HANOVER ($2.60) won pacing's Triple Crown with a 4¾-length victory over Good Time Boy in Roosevelt Raceway's $169,885 Messenger Stakes (page 69).
Adios Vic ($7.40), driven by Jim Dennis, gained his fourth victory over Bret Hanover (he won three last season) when he defeated Bret and Driver Frank Ervin by 2½ lengths with a 1:59[3/5] in Hollywood Park's Preview Pace. New Zealand's Cardigan Bay, the only other pacer ever to beat Bret, finished third. The loss was Bret's fifth in 67 races.
HOCKEY—NHL: Unbeaten CHICAGO (4-0-0), paced by the Hull Brothers—Bobby, whose goal in the second period broke a 1-1 tie, and Dennis, who scored two minutes later—defeated the Canadiens 5-3 in the Black Hawks' only game of the week. MONTREAL (3-1-0), in second place by two points, beat the Rangers 3-0 on ex-Ranger Gump Worsley's first shutout of the season after losing to the Black Hawks, while TORONTO (1-1-2) edged the Red Wings 3-2 and tied the Bruins 3-3. DETROIT (2-4-0) followed its loss to the Maple Leafs by beating the Rangers 5-3 and the Bruins 8-1. In the Ranger game Right Wing Paul Henderson scored four goals—giving him a league-leading eight—and assisted on the fifth. Although Boom Boom Geoffrion scored a goal in one game and led the Rangers in the other with four shots-on-goal, NEW YORK (1-3-1) lost two and tied for last place with BOSTON (1-3-1), which tied one game and lost one.
HORSE RACING—"He's just like a machine. He'll do anything you ask him to," said Braulio Baeza after he rode Ogden Phipps's BUCKPASSER ($2.60) to a 1¾-length win over Mr. and Mrs. Allie Reuben's Niarkos in the two-mile Jockey Club Gold Cup at Aqueduct. The victory was Buckpasser's 12th straight this season and the 38th stakes win of the year for Eddie Neloy, who trains Buckpasser and 16 other stakes winners for the Phipps family: Mrs. Henry Carnegie Phipps, her son, Ogden, and grandson, Dinny. Neloy, who, three weeks ago, became the only trainer ever to top $2 million in one season, increased the Phipps's family earnings to $2,196,720 with the Gold Cup victory.
Mrs. Frances Center's Florida-bred 2-year-old, IN REALITY ($10), with Johnny Rotz up, scored a neck victory over Mrs. H. C. Phipps's favored Successor in the Pimlico Futurity, the 1[1/16]-mile race for juveniles, at Laurel. The win, In Reality's fourth in six starts, was worth $121,667.
Mrs. George H. Bostwick's LUMIERE ($14.60) won Aqueduct's $54,350 Temple Gwathmey Steeplechase Handicap, the richest steeplechase in the U.S., by eight lengths over Mrs. William Riker's Bampton Castle.
MOTOR SPORTS—FRED LORENZEN, who gained the pole position in a 1966 Ford Fairlane with what he called a "sick engine," scored the first major stock car victory in nine months for Ford when he won the American 500 at Rockingham, N.C. by three laps over Don White, who finished second in a Dodge Charger.
Englishman JOHN SURTEES, driving a Lola-Chevrolet, won the 200-mile Los Angeles Times Grand Prix, the fifth race in the Canadian-American Cup Challenge series, as Jim Hall of Midland, Texas finished second in a Chaparral. The victory put Surtees in a tie for the series lead with Phil Hill.
TRACK & FIELD—Belgium's GASTON ROELANTS, the 1964 Olympic gold medalist and holder of the world record in the 3,000-meter steeplechase, broke the world mark for the 20-kilometer run by 1:16.6 with a 58:06.2 clocking, and continuing, set a new record for distance run in one hour (12 miles, 1,168 yards, 2 feet), in Louvain, Belgium. The previous marks for both events were set by Australia's Ron Clarke in 1965.
Abebe Bikila, Ethiopia's two-time (1960 and 1964) Olympic marathon winner, took the Inchon-Seoul Marathon in 2:17.04, in Seoul, Korea.
MILEPOSTS—RETIRED: A.P. (Paddy) SMITHWICK, 39, of Monkton, Md., a top steeplechase jockey for 20 years, to train steeplechase horses. Smithwick, who rode for his brother, Mike, trainer for such prominent owners as Mrs. Ogden Phipps and Mrs. A. C. Randolph, cracked a vertebra when he was thrown during a hurdle race at Monmouth Park last July and was still bothered by the after-effects. He ended his riding career with more mounts (2,103) and more victories (400, including four Temple Gwathmey wins) than any other steeplechase jockey in the U.S.
DIED: JOE BACH, 66, a tackle on Notre Dame's "Seven Mules" line in 1923-24 and former head coach of the Pittsburgh Steelers (1935-1936 and 1952-1953); after suffering a heart attack at the Pittsburgh Curbstone Coaches' Hall of Fame luncheon.