The New York Islanders will donate $150,000 to create a child support center in honor of Matthew Schaefer’s late mother, Jennifer, who died of breast cancer in February 2024, the team said Monday. The team and Northwell Health announced the creation of a place at R.J. Zuckerberg Cancer Hospital on Long Island in New Hyde Park, New York, for children to wait while a parent undergoes treatment. Following the donation from the Islanders Children's Foundation, the center named for Jennifer is set to open in October. Schaefer, 18, is the front-runner to be NHL rookie of the year and has been the face of the Islanders franchise since they took him with the No. 1 pick in the draft. He has talked extensively about his mother’s battle and death and her impact on his life and hockey career. The team put a pink breast cancer ribbon on the jersey presented to Schaefer at the draft in June, and he made the moment a tribute to his mom.…