TENNIS—ROSCOE TANNER defeated Brian Gottfried 6-4, 6-2 to win a $250,000 Grand Prix tournament in Rancho Mirage, Calif.
Chris Evert beat Martina Navratilova 6-3, 6-4 in the finals of the $150,000 Avon Championships of Los Angeles.
TRACK & FIELD—EAMONN COGHLAN of Ireland broke the world indoor record for the mile at the San Diego Invitational. His time of 3:52.6 was 2.3 seconds faster than the mark Dick Buerkle set in 1978 (page 16).
Gennadiy Valyukevich of the U.S.S.R. broke the world indoor record for the triple jump at the Soviet indoor championships in Minsk. His leap of 56'8�" was 5� inches better than the mark set by Victor Saneyev of the U.S.S.R. in 1976.
MILEPOSTS—FIRED: Coach LARRY COSTELLO, 47, of the Chicago Bulls, who are in last place in the NBA's Midwest Division. Assistant Coach SCOTTY ROBERTSON, 49, was named as an interim replacement.
HIRED: As football coach at Mississippi State, EMORY BELLARD, 51, who had a 6�-year record of 48-25 at Texas A&M before resigning in the middle of last season.
TRADED: By the New York Knicks, BOB McADOO, 27, three-time NBA scoring champion who is averaging 26.9 points this season, to the Boston Celtics for three 1979 first-round draft picks and reserve Center TOM BARKER, 23.
DIED: BENJAMIN H. TICKNOR, 70, two-time All-America center (1929-30) at Harvard who was known as the Great Defender; of cancer; in Peterborough, N.H. He was elected to the College Football Hall of Fame in 1954.
Tony Plansky, 78, three-time national decathlon champion (1925, 1926, 1928), NFL scoring leader in 1929 and Eastern League batting champion (.376) in 1930; of cancer; in North Adams, Mass. Plansky coached the Williams College track and cross-country teams from 1931 to 1978 and was elected to the Helms Track and Field Hall of Fame in 1967.