THURSDAY, APRIL 16 BOYS TENNISKetcham at Carmel, 4:30 p.m.SOFTBALLMahopac at Carmel, 4:30 p.m.BASEBALLMahopac at Carmel, 4:30 p.m.Hendrick Hudson at Putnam Valley, 4:30 p.m.BOYS LACROSSELourdes at Carmel, 6:30 p.m.Hendrick Hudson at Mahopac, 4:30 p....