PRO BASKETBALL—NBA: Detroit's Isiah Thomas made 21 assists in a 102-96 victory over Washington to bring his season total to 1,110 and break the NBA record of 1,099 set by Kevin Porter of the Pistons in 1978-79. Thomas had 13 more assists in the Pistons' final regular-season game, a 116-113 win over Cleveland, and so goes into the books with a total of 1,123. Eastern Division champion Boston, which faces Cleveland in the first round of the playoffs, closed with a 129-118 loss to New Jersey, which meets Detroit. Milwaukee, the Central winner, finished by handing New York its 12th straight loss (88-84) to leave the Knicks with a 24-58 record, their worst since 1964. The Bucks open the playoffs at Chicago. Washington is paired with Philadelphia. In the Western Conference the matchups are Denver (page 58) vs. San Antonio, Los Angeles vs. Phoenix, Portland vs. Dallas and Houston vs. Utah.
CBA: The Tampa Bay Thrillers won the league title with a 109-105 victory over the Detroit Spirits in the seventh game of the championship series.
BOWLING—MARK WILLIAMS beat John Kirker Jr. 245-185 to win the $150,000 Pat Boone Open in Windsor Locks, Conn.
BOXING—MARVELOUS MARVIN HAGLER defeated Thomas Hearns to retain his world middleweight title in Las Vegas (page 20).
Soon-Chung Kwon of Korea KO'd Japan's Shinobu Kawashima in the third round in Pohang, South Korea to retain his IBF flyweight crown.
PRO FOOTBALL—USFL: After losing to Denver 28-7 on Monday night. Arizona was upset by Orlando 24-19. Jacksonville beat San Antonio 28-17 behind Larry Mason's 100 yards rushing, while Herschel Walker rushed for 109 to lead New Jersey over Portland 34-7. Birmingham defeated Oakland 20-17 while Memphis edged Baltimore 13-10 on Alan Duncan's-35-yard field goal in OT, and Frank Seurer made a 35-yard TD pass to Jojo Townsell with 1:08 left to lift Los Angeles over Houston 18-17.
GOLF—BERNHARD LANGER shot a six-under-par 282 to win the 49th Masters in Augusta (page 26).
Beth Daniel beat Pat Meyers by two strokes to win a $175,000 LPGA event in San Diego, carding a two-under-par 286.
GYMNASTICS—OHIO STATE won the NCAA Division I men's championship in Lincoln, edging Nebraska 285.35 points to 284.55. The Cornhuskers' WES SUTER won the individual all-around title with a score of 58.20.
At the NCAA women's championships in Salt Lake City, the UNIVERSITY OF UTAH defeated Arizona State 188.35-186.60 to win its fifth consecutive team title. Alabama's PENNEY HUSCHILD scored 37.95 points to take the all-around title.