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    Stefen Rosner
    Sep 21, 2025, 14:05
    Updated at: Sep 21, 2025, 14:05

    EAST MEADOW, NY -- New York Islanders No. 1 overall pick Matthew Schaefer will be part of the game group that faces the Philadelphia Flyers on Sunday night. 

    The 18-year-old will skate alongside veteran Scott Mayfield at 5-on-5 while quarterbacking the second power-play unit. 

    Here's the rest of the game group and lines:

    Puck drop is slated for 7 PM ET at UBS Arena. Here's how to watch:

    How To Watch Islanders First Preseason Game vs. Philadelphia Flyers How To Watch Islanders First Preseason Game vs. Philadelphia Flyers On Sunday night, the <a href="http://thn.com/isles">New York Islanders</a> battle the <a href="https://thehockeynews.com/nhl/philadelphia-flyers">Philadelphia Flyers </a>to kick off their preseason slate.&nbsp;

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