Jason Pominville and Rob Neidermayer also scored, and Jhonas Enroth stopped 24-of-26 shots for the Sabres, who vaulted over idle Carolina into the eighth and final Eastern Conference playoff slot with their fifth win in seven games.
Warren Peters and Marek Zidlicky scored for Minnesota, which fell to 4-5-2 in their last 11 contests.
The Wild still gained a standings point, however, pulling to within one of Los Angeles for the last Western Conference post-season seed.
Theodore stopped 30-of-33 shots for Minnesota.
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