GALLOWAY-- The Stockton track & field teams added two new members yesterday as five-year-old twins Haegan and Sam Endres signed letters of intent at a special ceremony after practice. At 14 months old, Haegan Endres was diagnosed with medullablastoma when doctors discovered that he had a brain tumor. Haegan underwent surgery to remove the tumor, eight months of chemotherapy, 31 rounds of radiation and a stem cell transplant.