The Calder Trophy — awarded to the NHL's rookie of the year — is usually one of the most talked-about awards that the league dishes out, and that's because there's usually a pretty compelling race for the award. Well... not exactly this year. Instead, Islanders rookie standout Matthew Schaefer was the runaway winner. Islanders rookie standout Matthew Schaefer ran away with this year's Calder Trophy race. (Brad Penner-Imagn Images) Schaeffer, who was selected by the Isles with the first-overall pick in the 2025 NHL Draft , was surprised with the trophy during an appearance on ABC's 'Good Morning America', with his father on hand. Also in attendance were former Islander Matt Martin and his family, with whom Schaefer lived this season. Emotions were high as Schaefer overcame some personal tragedy when his mother passed away in 2024. He has quickly become a key piece of an Islanders team that looked to be on course for the postseason but faded down the stretch.…