Toronto Maple Leafs star Auston Matthews hopped on Instagram Live with his friend Justin Bieber on Sunday.

The pair initially spoke about the Netflix hits "Tiger King" and "Love is Blind" before Bieber was able to get Matthews to divulge a bit of hockey information.

"My favorite hockey player of all time ... I have so many, but I think the two that kind of stand out the most to me are Shane Doan," Matthews told Bieber. "You know he was playing for the Coyotes, that's when I first got into hockey ... I've gotten to know him over the years, he's such a good person."

For his second pick, Matthews went with a player he still faces off against today.

"Patrick Kane. Probably even still today, my favorite player to watch."

Bieber then asked Matthews who the hardest player to defend in the league is, adding that he doesn't have to answer if he doesn't want to. Matthews declined the opt-out option and offered his thoughts.

"There's so many good players, it's kind of hard to just pinpoint one. We've played against Buffalo quite a lot, (Jack) Eichel's really good - playing against him, he's really strong," he said. "A guy like (Connor) McDavid obviously, he's really, really fast and does everything ... he's hard to keep up with ... so probably have to go with him."

Bieber ended the call by complimenting Matthews' moustache, calling it "the best in the league."

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