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 1� 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? 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? 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.