MOTOR SPORTS—NELSON PIQUET of Brazil drove his Williams- Honda to an unprecedented fourth triumph in the Formula One Italian Grand Prix in Monza, defeating compatriot Arton Senna, in a Lotus- Honda, by 1.8 seconds. Piquet covered 180.2 miles on the 50-lap circuit in 1:14:47.707 at an average speed of 145 mph.
Dale Earnhardt, in a Chevrolet, won the rain-shortened NASCAR Southern 500 at the Darlington ( S.C.) International Raceway. He beat Rusty Wallace, in a Pontiac, by one car length.
In Lexington, Ohio, ROBERTO GUERRERO of Colombia, in a March-Cosworth, won the CART Radar Warning 200 at the Mid-Ohio Race Course by 25.90 seconds over Bobby Rahal, in a Lola-Cosworth. Guerrero, who won $67,410, completed the 84 laps on the 2.4-mile circuit in 1:51:58.70, averaging a track-record 107.431 mph.
TRACK & FIELD—At the World Championships in Rome, East Germany finished with 31 medals, including 10 golds, while the Soviet Union was second with 7 gold medals and 25 overall. The United States, led by JACKIE JOYNER-KERSEE and CARL LEWIS, earned 19 medals, 9 of them gold. Joyner-Kersee set meet records in the women's long jump (24'1�") and the heptathlon (7,128 points), while Lewis retained his world title in the men's long jump (28'5�") and anchored the men's 4 x 100-meter relay team, which won the gold medal in the third-fastest time (37.90) ever. The U.S. women's 4 X 100 relay team upset East Germany with a time of 41.58. It was the first U.S. victory over the East German women in a championship final in 20 years. TORSTEN VOSS of East Germany won the decathlon (8,680 points), to end the nine-year winning streak of world-record holder Daley Thompson of England (page 18).
VOLLEYBALL—The United States men's team defeated the Soviet Union 3-2 (16-14, 15-8, 9-15, 12-15, 15-13) to win the Savinne Cup Tournament in Talin. It was the first time the U.S. has won a volleyball tournament in the U.S.S.R.
MILEPOSTS—RELEASED: From a federal prison in Talladega, Ala., former major league pitcher DENNY McCLAIN, 43, after serving 28 months of a 23-year sentence for racketeering, extortion and drug dealing. An appellate court in Atlanta overturned McClain's sentence after ruling that the two-time Cy Young Award winner had been denied a fair trial.
RETIRED: Atlanta Falcons All-Pro running back WILLIAM ANDREWS, 31, the Falcons alltime leading rusher, with 5,986 yards. He returned to action last year after a knee injury had caused him to miss the previous two seasons.
SUSPENDED: For 10 days, by National League president A. Bartlett Giamatti, Houston Astros outfielder BILLY HATCHER, 26, for using a corked bat in a game against the Chicago Cubs. Giamatti also fined Astros manager HAL LANIER an undisclosed sum, maintaining that a manager is responsible for any illegal equipment used by his players.
TRADED: By the New England Patriots, tackle BRIAN HOLLOWAY, 28, to the Los Angeles Raiders, for an undisclosed 1988 draft choice. The three-time All-Pro is first vice-president of the NFL Players Association.
By the St. Louis Cardinals, defensive end AL (BUBBA) BAKER, 30, to the Cleveland Browns, for an undisclosed future draft choice.