All in the family   SCOTT FRIEDMAN Ken and Kerryann Silvestri (r) look on as grandmother Evelyn holds their son, Anthony, 3, during the Mayor's Trophy Game between the Raritan Bay Cougars and Sayrewood South Rebels Pop Warner football teams. The family has long volunteered for the Cougars, which have helped to raise $80,000 for the Cystic Fibrosis Foundation since Anthony was diagnosed at 10 days old.