A roundup of the week July 11-17

BOXING—CARLOS DE LEON scored a unanimous decision over S.T. Gordon to win the WBC cruiser-weight title in Las Vegas.

PRO FOOTBALL—USFL: MICHIGAN beat Philadelphia 24-22 to win the first USFL championship game in Denver (page 20).

GOLF—TOM WATSON shot a nine-under-par 275 to win his fifth British Open, beating Hale Irwin and Andy Bean by one stroke, in Southport, England (page 14).

Beth Daniel beat JoAnne Carner on the first hole of a sudden-death playoff to win a $350,000 LPGA event in Malvern, Pa. The two finished regulation play at a two-under-par 286.

HARNESS RACING—RALPH HANOVER ($6.60), driven by Ron Waples, beat Umbrella Fella by 1¼ lengths to win the $1,251,000 Meadowlands Pace at the Meadowlands. The 3-year-old colt earned $625,500 in clocking 1:54[1/5] for the mile.

HORSE RACING—DEPUTED TESTAMONY ($4), Herb McCauley in the irons, came from last place at the top of the stretch to finish a neck ahead of Country Pine and win the $107,600 Governor's Cup at Bowie Race Course. The 3-year-old colt ran the 1‚⅛ miles in 1:50[2/5].

World Appeal ($6.20), ridden by Jacinto Vasquez, beat Parfaitement by half a length to win the $100,000 Jersey Derby in Atlantic City. The 3-year-old colt ran the 1‚⅛ miles in 1:46[3/5] to break the 29-year-old track record for the distance.

MOTOR SPORTS—ALAIN PROST, in a Renault, beat Nelson Piquet, in a Brabham-BMW, by 19.16 seconds in the British Grand Prix. Prost averaged 139.218 mph on the 2.937-mile Silverstone circuit.

Dale Earnhardt, driving a Ford, beat Darrell Waltrip, in a Chevrolet, by half a lap in a 420-mile NASCAR event at Nashville. He averaged 85.726 mph on the .596-mile International Raceway oval.

John Paul Jr., driving a Penske-Cosworth, defeated Al Unser Sr., in the same type car, by 15 seconds to win the Michigan 500. Paul averaged 134.862 mph on the two-mile Michigan International Speedway oval.

POWERBOATING—TOM GENTRY drove his Cougar catamaran 208 miles at an average speed of 65.34 mph to win the New Jersey Offshore Grand Prix off Point Pleasant Beach by 10 minutes over Jose Rodriguez in the same type boat.

SOCCER—NASL: The Cosmos took most of the week off, and Toronto briefly took a one-point lead over them in the Eastern Division standings with a 1-0 shootout victory over Western Division-leading Vancouver. Forward Victor Kodelja scored the lone goal, and Blizzard Goalie Jan Moller got his third shutout of the season. Despite the loss the White-caps continued to lead their division by 43 points after a subsequent 2-1 win over Golden Bay. Toronto wasn't so fortunate, loosing the Eastern lead when the Cosmos beat Southern Division-leading Tulsa 3-0 on Roberto Cabanas' goal and two assists. The Roughnecks came to New York after having won seven of their last nine games, the most recent a 4-0 blowout of Cosmos' nemesis Chicago. In that game Njego Pesa scored three times and Thompson Usiyan added the other goal. Giorgio Chinaglia's disabling hamstring injury—he'd had a hat trick in the Cosmos' 5-2 win over Tulsa in May—gave the Roughnecks false cause for optimism this time out. Fort Lauderdale ended the week on top in the South, one point ahead of Tulsa.

SWIMMING—VLADIMIR SALNIKOV swam the 800-meter freestyle in 7:52:33, breaking the world record he set in 1982 by .50 seconds, in Los Angeles (page 50).

TENNIS—MATS WILANDER beat Anders Jarryd 6-1, 6-2 in the $75,000 Swedish Open in Bastad.

Alycia Moulton defeated Kim Shaefer 6-3, 6-2 to win a $100,000 women's tournament in Newport.

TRACK & FIELD—JEFF BUCKINGHAM broke the American pole vault record of 18'10¼" shared by Brad Pursely and Dave Volz by clearing 18'10¾", in Lawrence, Kans.

MILEPOSTS—ACCEPTED: By a U.S. District Court judge, in Baton Rouge, a guilty plea by 1959 Heisman Trophy winner BILLY CANNON, 45, to conspiracy charges after more than $6 million in counterfeit bills was seized from Cannon's property (page 24).

NAMED: As the USFL Player of the Year, Philadelphia Stars Running Back KELVIN BRYANT, 22. and as Coach of the Year, Boston Breakers' DICK COURY, 53.

As coach of the new USFL Jacksonville franchise. LINDY INFANTE, 43, the incumbent offensive coordinator of the Cincinnati Bengals. Subsequent to the announcement Infante was fired by the Bengals even though he was under contract to them until Jan. 31,1984.

As basketball coach at St. Francis College of Pennsylvania, KEVIN PORTER, 33, a four-time NBA assist leader during his career as a guard for the Washington Bullets (1974-75, 1979-83) and the Detroit Pistons (1975-79).

TRADED: By the San Diego Chargers, Center BOB RUSH, 28, to the Kansas City Chiefs for undisclosed future draft choices; and Cornerback JEFF ALLEN, 26, to the San Francisco 49ers for a future draft choice.

By the NASL Tampa Bay Rowdies, Forward HUGO PEREZ, 19, to the San Diego Sockers for a 1983 first-round draft choice and an undisclosed amount of cash.

UPHELD: A $300 fine and three-day suspension imposed by the National League on Umpire JOE WEST, 30, for shoving Atlanta Braves Manager Joe Torre after a June 28 game with Houston. The suspension is believed to be the first in-season suspension of an umpire in major league history. TORRE, 43, was also fined $200.

DIED: SERGEI SHALIBASHVILI, 21, the Soviet diver who had been in a coma since July 9, when he struck his head on the concrete diving platform while attempting a reverse 3½-somersault in the tuck position; resulting from head injuries in Edmonton, Alberta.