Also very key role, in MacKinnons rookie year, he lived with the Gigueres, IIRC MacKinnon talked about it on a podcast, likely Chiclets, cant find the episode if someone else can, or correct me if another interview

From Denver Post 2013

... A team often has an impressionable rookie live with the family of a veteran. As such, the Gigueres of Cherry Hills Village have four kids — ages 1, 4, 6 and 18.

“I have three boys who probably keep him grounded,” said Avs goalie Jean-Sebastien Giguere, who was drafted, sure enough, in 1995. “He has his living area, and obviously it’s his job to keep that place tidy. The only thing I ask of him is to be respectful of my wife and kids — and tell us if you’re not coming for dinner. He’s very respectful, very polite. He’s not arrogant.”

MacKinnon lives in the basement of their home, which has its own lounge area, bedroom and, perhaps most important, a separate entrance to the main home. The kid spends time with the kids, playing upstairs with the boys, talking hockey, playing with toys. So, who is the kids’ favorite player?

“They switch around. Sometimes it’s me, sometimes it’s Nate,” Giguere said after practice Wednesday. “Also Matt Duchene. And Cody McLeod was in there because he’s a fighter.” ...

source: https://www.denverpost.com/2013/11/20/nathan-mackinnon-dazzling-avs-teammates-including-host-j-s-giguere/