A Roundup of the Week July 10-16

ARENA FOOTBALL—After the five-team league's second week of play, defending champion Detroit remained undefeated with a 39-7 rout of Maryland. Mike Trigg paced the Drive with four touchdowns. In its season opener Detroit met Chicago in a rematch of the 1988 title game and beat the Bruisers 40-28 as the Drive's Tony Burris passed for 115 yards and two touchdowns. Pittsburgh, which had a bye during the first week of play, opened its season by defeating Denver 28-18 behind Willie Totten's 204 yards passing. The Dynamite, now 1-1, upended Maryland 20-15 in its first game. The Commandos are winless in two games.

BOXING—GIANFRANCO ROSI of Italy won the IBF junior middleweight title with a 12-round unanimous decision over Darrin Van Horn, in Atlantic City.

CYCLING—After 15 stages of the 23-stage, 2,020-mile Tour de France, Greg LeMond of the U.S. recaptured the lead, 40 seconds ahead of Laurent Fignon of France.

FENCING—At the world championships in Denver, the SOVIET UNION won both the men's team-saber and team-foil competitions and ITALY won the men's team-èpèe title. Individual winners were GRIGORY KIRIENKO of the Soviet Union (saber), ALEXANDER KOCH of West Germany (foil) and MANUEL PEREIRA of Spain (èpèe). In the women's events, OLGA VELICHKO of the Soviet Union (foil) and ANJA STRAUB of Switzerland (èpèe) won individual gold medals, with WEST GERMANY (foil) and HUNGARY (èpèe) getting the team crowns.

GOLF—BETSY KING shot a six-under-par 278 to win the U.S. Women's Open by four strokes over Nancy Lopez, in Lake Orion, Mich. She earned $80,000 for the victory (page 71).

Mike Donald beat Tim Simpson and Hal Sutton in a sudden-death playoff to win a PGA event and $153,000 in Williamsburg, Va. The three finished regulation play at 16-under-par 268.

Michael Allen shot a 12-under-par 272 to defeat Ian Woosnam and Jose Maria Olazabal by two strokes and win the Scottish Open, at Gleneagles. The victory was worth $80,000.

HARNESS RACING—VALLEY VICTORY ($2.60), driven by Bill O'Donnell, beat Bon Vivant by three lengths to win the Yonkers Trot, the opening leg of the Triple Crown for trotters. The 3-year-old covered the mile at Yonkers Raceway in 1:58[3/5] and won $83,762.

Dexter Nukes ($4.40), with John Campbell in the sulky, defeated Casino Cowboy by 3½ lengths to win the Meadowlands Pace at the Meadowlands Race Course. The 3-year-old colt covered the mile in 1:51[3/5] to earn $426,000.

HORSE RACING—SEWICKLEY ($8.60), ridden by Randy Romero, beat Houston by three lengths to win the Tom Fool Stakes, at Belmont Park. The 4-year-old colt ran the seven furlongs in 1:24 for the $67,920 winner's purse (page 75).

Present Value ($100.60), Frank Olivares up, won the Michigan Mile by three quarters of a length over Proper Reality. The 5-year-old, a 49-1 longshot, ran the 1‚Öõ miles at Ladbroke Detroit Race Course in 1:49[1/5] and got $180,000.

MOTOR SPORTS—ALAIN PROST, driving a McLaren-Honda, beat Nigel Mansell, in a Ferrari, by 19 seconds to win the British Grand Prix for the third time. Prost covered 64 laps of the 2.97-mile Silverstone Circuit in 1:19:22.131.

Bobby Rahal, in a Lola-Cosworth, held off Emerson Fittipaldi, at the wheel of a Penske PC18-Chevrolet, to win a rain-shortened CART event in East Rutherford, N.J. Rahal averaged 81.86 mph on the 1.217-mile Meadowlands road circuit and earned $92,410. The race was stopped five laps short of its scheduled 150-lap, 185.55-mile distance.

TENNIS—GABRIELA SABATINI routed Mary Joe Fernandez 6-1, 6-2 to win the women's singles title, and ANDERS JARRYD beat Pete Sampras 6-4, 3-6, 6-4 in the men's final of a tournament in Osaka, Japan. The winners got $40,000 apiece.

Jim Pugh beat Peter Lundgren 6-4, 4-6, 6-2 to win the Hall of Fame championship and $25,000, in Newport, R.I.

TRACK & FIELD—PAULA IVAN of Romania set a world record in the women's mile with a time of 4:15.61, in Nice, France. She surpassed by 1.10 seconds the mark established by Mary Slaney of the U.S. in 1985.

WATER POLO—YUGOSLAVIA defeated Italy 10-6 to win the World Cup, in Berlin.

MILEPOSTS—INDUCTED: Into the International Tennis Hall of Fame in Newport, R.I., VIRGINIA WADE, 44, 1977 Wimbledon, 1972 Australian Open and 1968 U.S. Open women's singles champion, who is No. 3 on the WITA career victories list with 839 match wins; and the late GERALD PATTERSON, Wimbledon men's singles titlist in 1919 and '22 and Australian Open winner in '27.

NAMED: As coach of the Chicago Bulls, PHIL JACKSON, 43, who had been a Bulls assistant for the past two years; and as coach of the Los Angeles Clippers, DON CASEY, 52, who had held that position on an interim basis since January.

As executive director of the U.S. Golf Association, DAVID FAY, 38. Fay had been assistant to former USGA senior executive director Frank Hannigan, who resigned in February.

RESIGNED: As executive vice-president for football operations for the San Francisco 49ers, BILL WALSH, 57, who as coach guided the Niners to Super Bowl wins in 1982, '85 and '89. Walsh, who relinquished his coaching job in January, left the 49ers to become an NBC broadcaster (page 95).

SIGNED: By the Quebec Nordiques to a two-year contract worth a reported $500,000 per annum, Hall of Fame right wing GUY LAFLEUR, 37, who came out of four years' retirement last season to score 18 goals and get 27 assists for the New York Rangers. The Rangers will receive $100,000 and a future draft choice from the Nordiques for the transfer of Lafleur's rights.

SOLD: The DENVER NUGGETS, to Chicago businessmen Bertram Lee, 50, and Peter Bynoe, 38, for a reported $65 million. The Nuggets thereby became the country's first black-owned major league pro team (page 11).

SUSPENDED: By National League president Bill White for three games, Cincinnati Reds reliever ROB DIBBLE, 25, for his role in a brawl with the New York Mets on July 8. In addition, Dibble, who served a two-game league suspension earlier this season for throwing a bat, was fined $400. Also fined were Dibble's teammate NORM CHARLTON, 26, ($100) and TIM TEUFEL, 31, and JUAN SAMUEL, 28, of the Mets ($200 apiece).

TRADED: By the Dallas Cowboys, defensive tackle KEVIN BROOKS, 26, to the Denver Broncos for future draft choices.