Islanders rookie phenom Matthew Schaefer makes more NHL history with first OT winnerSchaefer is the youngest player in NHL history to score in OT11/15/2025, 2:42 PMJohn FlaniganFreelance Editorial ProducerNew York Islanders defenseman Matthew Schaefer (48) reacts to scoring the game winning goal against the Utah Mammoth during overtime at Delta Center / Rob Gray - Imagn Images