Backstrom, who was pulled in Friday's 6-1 loss to Edmonton, responded with a standout performance against Colorado, turning aside all 15 shots he faced in the third period of the regular-season finale for both teams.
The Wild and Columbus ended in a tie with 55 points, but Minnesota had the tiebreaker with more regulation and overtime wins.
The Wild will open the playoffs against the top-seeded Chicago Blackhawks.
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