MOTOR SPORTS—DALE EARNHARDT in a Chevrolet defeated Tim Richmond, also in a Chevrolet, by 1:59 to win a NASCAR race at the Charlotte Motor Speedway. Earnhardt, who received $98,150 for the victory, averaged 140.406 mph over the 400 1.5-mile laps. There were 39 lead changes in the race.
Nigel Mansell of Britain, driving a Williams- Honda, averaged 126.48 mph over the 185.631-mile, 43-lap course to win the Belgian Grand Prix in Spa-Francorchamps. Ayrton Senna of Brazil finished second in a Lotus- Renault.
POKER—BERRY JOHNSTON, 50, won the World Series of Poker and $570,000, defeating Mike Harthcock in the final game of No Limit Texas Hold 'Em, in Las Vegas.
SOFTBALL—CAL STATE-FULLERTON, behind the one-hit pitching of Connie Clark, defeated Texas A & M 3-0 to win the NCAA women's championship. The Titans finished their season at 57-9-1.
TENNIS—STANFORD became the first school to sweep all four NCAA team and individual championships. The Cardinal won the men's title 5-2 over Pepperdine and the women's 5-3 over USC. Stanford senior Dan Goldie beat SMU's Richey Reneberg 6-2, 6-1 for the men's singles crown, while junior Patty Fendick upset Gretchen Rush of Trinity 2-6, 6-1, 6-3 in the women's singles final. The women's competition took place in Austin, Texas, the men's in Athens, Ga.
Raffaella Reggi of Italy upset Manuela Maleeva of Bulgaria 5-7, 6-3, 7-6 to win a $100,000 WTA event in Lugano, Switzerland.
Andres Gomez of Ecuador defeated Henrik Sundstrom of Sweden 6-3, 6-4 to win a $99,900 Grand Prix tournament in Florence, Italy.
MILEPOSTS—ARRESTED: Washington Redskins defensive back VERNON DEAN, 27, on charges of assaulting a police officer and driving with a suspended license, in Fairfax, Va.
IMPOSED: By the NCAA's Disciplinary Committee, a two-year probation for the Memphis State athletic program, during which its men's basketball team will be prohibited from appearing on television and competing in postseason play next year. Other sanctions include the return of $977,417, representing 90% of Memphis State's share of 1985 and '86 NCAA tournament revenue. NCAA violations cited by the committee include recruiting infractions, the improper use of athletic boosters' cars and some $58,000 in grants paid to athletes, well in excess of NCAA limits. The university has 15 days to appeal the proposed penalties.
NAMED: As the new commissioner of the MISL, BILL KENTLING, 46, formerly the general manager of the Wichita Wings. Kentling replaces Frank Dale, who was named to the newly created position of senior league executive.