Philadelphia Flyers: Getting to Know Matt Niskanen
Flyers look like Stanley Cup contenders
Flyers' Defenseman Matt Niskanen Retires - CBS Philadelphia
Preview: Capitals at Ducks
For the first time in these playoffs, the Vegas Golden Knights are in trouble
Phliadelphia Flyers Radko Gudas Traded to Washington Capitals for Matt Niskanen
Flyers Crush Capitals 7-2 in Matt Niskanen's Return to D.C.; Martin Fehervary Picks Up First NHL Point
Capitals beat Rangers 4-2 for 4th consecutive win
Capitals' suffocating pressure is frustrating Golden Knights
NHL playoffs: Niskanen hit on Crosby unnecessary - Duluth News Tribune
Caps' Niskanen: 'We're enjoying the heck out of it right now' - WTOP News
Matt Niskanen: Capitals put d-man on LTI - Sports Illustrated
Capitals go back to Holtby for Game 3; Hornqvist, Kuhnhackl questionable for Penguins, Sports