Cash Asmussen rode MAIRZY DOATES to a one-length victory over Frost King in the $574,000 Japan Cup. The 5-year-old ran the 1� miles on turf at Tokyo's Fuchu racetrack in 2:25[3/5].
MOTOR SPORTS—BOBBY ALLISON, averaging 95.29 mph in a Buick around the 2.62-mile Riverside ( Calif.) International Raceway, won a 500-mile NASCAR event by .24 seconds over Joe Ruttman, also in a Buick. DARRELL WALTRIP, finishing sixth, won the 1981 NASCAR driving title.
INDOOR SOCCER—MISL: Stan Terlecki had seven goals and four assists for Pittsburgh and Steve Zungul had eight goals for New York as those teams tied for the Eastern Division lead at 2-0. St. Louis, also 2-0, was first in the Western Division.
TENNIS—IVAN LENDL won the $175,000 Argentine Open with a 6-1, 6-2 victory over Guillermo Vilas in Buenos Aires.
Martina Navratilova beat Chris Evert Lloyd 6-3, 6-2 to win a $200,000 event in Tokyo.
MILEPOSTS—FIRED: By the L.A. Lakers, Coach PAUL WESTHEAD, 42, who had a 111-50 record and one NBA championship in two seasons with the club. He was replaced by PAT RILEY (page28).
NAMED: As manager of the San Diego Padres, DICK WILLIAMS, 52, who has a 1,075-954 record and two World Series titles in 14 years as skipper of the Red Sox, A's, Angels and Expos.
Most Valuable Player of the National League, for a second straight year, Phillie Third Baseman MIKE SCHMIDT, 32, who had a career-high batting average of .316 and led both leagues in home runs (31) and RBIs (91).
RESIGNED: As coach of the Purdue football team, JIM YOUNG, 46, who guided the Boilermakers to a 38-19-1 record in five seasons. He will concentrate on his duties as one of the university's associate athletic directors. LEON BURTNETT, 38, Purdue's defensive coordinator for the last five years, was named as Young's replacement.
TRADED: By the Cleveland Indians, Catcher BO DIAZ, 28, to Philadelphia for Outfielder LONNIE SMITH, 25, and a player to be named. Cleveland then traded Smith to St. Louis for 26-year-old pitchers LARY SORENSEN and SILVIO MARTINEZ.