Magnus Paajarvi became an unlikely playoff hero for the Blues on Saturday.

His goal 9:42 into overtime gave the Blues a 4-3 win over the Minnesota Wild, clinching the first-round series four games to one, and advancing the Blues into a second-round matchup against the Nashville Predators.

For Paajarvi, his first career playoff goal could not have come at a better time.

The Blues had blown a 3-1 lead in the third period as the Wild, who had fought off elimination with a win in game four, rallied to tie the game and send it to overtime.

It was another player who did not spend much time with the Blues in the regular season, Vladimir Sobotka, who made the play that set up the goal from Paajarvi.

Sobotka was able to keep possession of the puck and passed it to Paajarvi, who had enough space to get off a shot that beat goalie Devan Dubnyk.

It was the first series-clinching overtime goal for the Blues since Pierre Turgeon against the Coyotes in 1999.

Paajarvi spent much of this season playing in the minor leagues while Sobotka rejoined the Blues from the KHL just in time to play in the final game of the regular season.

The goal allowed the Blues to overcome a bad end to regulation, when the Wild came back from the 3-1 deficit on a power-play goal by Mikko Koivu and a goal by Jason Zucker to tie the game with 5:01 left in regulation.

The Blues jumped to a 2-0 lead in the first period on Vladimir Tarasenko’s first goal of the series and a goal from Alexander Steen. The Wild cut the lead to 2-1 before the end of the period on a power-play goal by Ryan Suter.

Neither team scored in the second period before Paul Stastny, playing for the first time in the series, scored at 7:23 of the third period, banking a shot in off Dubnyk.

Jori Lehtera, who had sat out the previous three games as a healthy scratch, also was reinserted in the Blues lineup and had the second assist on Paajarvi’s goal. He also had an assist on Statsny’s goal.

Jaden Schwartz also had two assists for the Blues.

Jake Allen, the story of the series for the first three games, stopped 34 of 37 shots by Minnesota, allowing only one even-strength goal.

The win brought some revenge for Blues coach Mike Yeo, who insisted the series was not about him even though he was fired as the coach of the Wild 14 months ago.

The Blues will have home-ice advantage for the second-round series against the Predators, the eighth seed in the Western Conference, who upset the top-seeded Chicago Blackhawks in a sweep in their first-round matchup.

Games one and two will be played at Scottrade Center. The NHL will make an announcement about the dates and times for the games will come after all of the first-round series have been completed.