Addison, selected by the Penguins in the second round (No. 53) of the 2018 NHL Draft, caught their attention by employing a puck-moving approach similar to that of Letang and Karlsson, of the Ottawa Senators. Though the 18-year-old's NHL debut likely is a few years away, he sees himself as a natural fit in Pittsburgh.
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"I play a similar game to the style the Penguins play," Addison said. "So I mean, that [drafting him] is a pretty good compliment coming from this organization. They picked me for a reason. I'm just going to do what I do and just have fun with it out there.
"The style of game that they play is speed and skill. Those are my two biggest attributes. So I'm just going to come here every time and be ready to go, and show them what I've got, and use my speed and skill, because the quicker I can play here, it's good for me."
Though he looks up to Karlsson, Addison said he has modeled his game after Colorado Avalanche defenseman Tyson Barrie, who had an NHL career-high 57 points (14 goals, 43 assists) in 68 games last season. That style led to Addison having 65 points (11 goals, 54 assists) in 68 games with Lethbridge of the Western Hockey League in 2017-18.
But at 5-foot-10 and 178 pounds, Addison isn't satisfied with solely being an offensive threat.
"Being my size of guy and the way I play, I need to improve my defense if I want to play at the next level," he said. "I think that will just come with maturity, getting bigger and stronger. Just learning how to get smarter in the D-zone."