CREW: Unsafe conditions after months of heavy rain caused cancellation of the San Diego Crew Classic, scheduled for Sunday, preventing the Harvard heavyweights, from defending the title they won there last year. Senior captain CHARLIE ALTEKRUSE said yesterday the oarsmen have planned a scrimmage with the Olympic crew team instead. HARRY PARKER coaches both the Harvard and the Olympic boats.

HOCKEY: MARK FUSCO was named the Ivy League co-rookie of the year, as well as receiving first-team all-Ivy honors for the '79-'80 season. Earlier, the blueliner had been honored as the ECAC Division 1 rookie of the year. The Cube