ARENA FOOTBALL—Chicago, which ran its record to 10-0, hardly needed its high-powered offense as its special teams and defense scored three touchdowns each to lead the Bruisers to a 68-25 win over New England. Reggie Smith returned a kickoff and a field goal attempt for scores, and Carl Aikens brought back a kickoff 50 yards for a touchdown. On defense, Bruisers defensive back Steve Thonn scored on a 16-yard runback of a fumble and an 18-yard interception return, and Daryl Hart carried a recovered fumble four yards for a TD (page 26). With the loss, New England (2-8) dropped into a last-place tie with New York, which beat Los Angeles 40-30 behind Mark Casale's 16-of-31 passing, for 161 yards. Detroit (7-3) clinched second place with a 28-9 win over No. 3 Pittsburgh (5-5) as Drive running back Walter Holman scored two touchdowns, one on a four-yard reception and another on a one-yard run.
BOWLING—TOM CRITES defeated George Bran-ham 276-202 in the title game to win the PBA Seattle Open and $16,000.
GOLF—SALLY LITTLE sank a 35-foot birdie putt on the final hole to beat Laura Davies by one stroke and win the du Maurier Classic in Coquitlam, B.C. Little shot a nine-under-par 279 for the 72 holes to collect $75,000.
Jim Benepe shot a final-round 70 for a 72-hole total of 278,10 under par, to beat Peter Jacobsen by one shot and win the Western Open in Oak Brook. Ill. Benepe earned $162,000 for the victory.
HORSE RACING—SEEKING THE GOLD ($2.60), with Pat Day in the saddle, won the Dwyer Stakes at Belmont by 1� lengths over Evening Kris. The 3-year-old colt ran the 1? miles in 1:48 to earn $137,040. Also at Belmont, GOODBYE HALO ($3.40), Jorge Velasquez up, beat Aptostar by 1� lengths to win the Coaching Club American Oaks, the third leg of the Triple Tiara for Fillies. The 3-year-old covered the 1� miles in 2:32[4/5] and collected $170,400.
Iz A Saros ($24.40), ridden by Aaron Gryder, won the Silver Screen Handicap at Hollywood Park by 2� lengths over Stalwars. The 3-year-old ran the 1? miles in 1:49 to earn the $95,900 winner's purse.
HYDROPLANE RACING—SCOTT PIERCE, driving Mr. Pringle's, won the Madison ( Ind.) Regatta for unlimited hydroplanes by 5.3 seconds over George Woods Jr., in Oh Boy! Oberto. Pierce averaged 118.593 mph in the final heat over five laps of the 2�-mile Ohio River course.
MOTOR SPORTS—BILL ELLIOTT, driving a Ford, beat Rick Wilson, in an Oldsmobile, by 18 inches to win the NASCAR Firecracker 400 and $63,500, in Daytona. Elliott averaged 163.302 mph for the 160 laps around the 2.5-Mile Daytona International Speedway tri-Oval.
Alain Prost, driving a McLaren- Honda, finished 31.752 seconds ahead of Ayrton Senna, also in a McLaren- Honda, to win the French Grand Prix in Le Castellet. Prost averaged 116.496 mph for 80 laps around the 2.369-mile circuit to complete the 189.52-mile race in 1:37:37.328.
Mario Andretti, in a Lola-Chevrolet, won the Cleveland Grand Prix Indy Car race by .910 of a second over Bobby Rahal, in a Lola-Judd. Andretti earned $45,660 in completing 80 laps over the 2.48-mile, 12-turn road course in 1:35:46.316 for an average speed of 124.295 mph.