HIRED: As Harvard's first full-time assistant basketball coach, K.C. JONES, onetime Boston Celtic defensive specialist who had a 36-33 with Brandeis in his first coaching job.
NAMED: To the 1970 United States Davis Cup squad by new Captain Edward Turville, last year's heroes ARTHUR ASHE and STAN SMITH, plus CLIFF RICHEY, CLARK GRAEBNER, CHARLES PASARELL, BOB LUTZ and 19-year-old ERIK VAN DILLEN.
RESIGNED: After another frustrating season of trying to beat the French, U.S. Women's Ski Coach DENNIS AGEE, who joins Men's Coach Don Henderson in retirement—thus leaving all coaching spots open for the U.S. Alpine teams next year.
SLEEPING IN: Veteran Jockey MIKE SORRENTINO, after 24 years of early-morning workouts. He won 930 races including the 1963 Alabama Stakes with Tona at Saratoga and earned $3,253,784 over his career. Now he will rise late and work behind the mutuel windows in Florida.