When the Dallas Stars needed someone to step up, Mikko Rantanen answered the call. Rantanen hasn’t been in Dallas for long, but he already made his mark on the city’s hockey scene with a Game 7 masterpiece. Here are 10 things to know about Rantanen as Dallas continues its postseason push:

DALLAS (AP) — Mikko Rantanen carried the Dallas Stars past his former team in the first round of the NHL playoffs, punctuated with a hat trick that was part of his historic four-point third period in Game 7.

Rantanen won a Stanley Cup with the Avalanche. He grew up and matured into a superstar with the Avalanche. While he's officially in a new phase of his career, you'll forgive him for feeling a little bittersweet about burying guys he used to enter grueling hockey battles with all the time. You don't just forget those kinds of memories.