Niskanen had one-year left on his seven-year deal that carried a $5.75M AAV cap hit. Niskanen was going to be 34-years-old in December but decided to call it a career after 13 years in the NHL. He totalled 72 goals and 284 assists (356 points) in 949 career NHL games with the Stars, Penguins, Capitals and Flyers.
