Kline’s three-year deal, valued at $15.75 million, was done Wednesday as Kline finished a visit to team headquarters.
Despite the loss, Minnesota remained one point behind the idle Arizona Coyotes for the second wild-card spot in the Western Conference.
Birk grew up in St. Paul and says he never could have dreamed of playing for his hometown team, even after the Vikings drafted him in the sixth round.
Jason Zucker had the only goal for the Wild, who took a big hit in the Western Conference wild-card race with this loss.
Amir Coffey scored 10 of his 22 points in the final minute for the win.
In a statement, Mickelson said he was enticed to play by his “many long-time Minnesota friends.”
Jamal Murray scored 19 of his 30 points in the second half, Mason Plumlee dished out eight of Denver’s season-high 40 assists.
Minnesota Sr. Jordan Murphy made the second team.