Oettinger stopped 21 shots in regulation and overtime and two of four shootout attempts in Wednesday's 4-3 win over the Sabres.
The 27-year-old netminder heads into the playoffs with plenty of momentum, having reeled off five straight wins to close out the regular season, including two shutouts, with a 1.94 GAA and .916 save percentage. Oettinger's surge carried him to 35 wins on the campaign, the fourth straight season he's reached that mark,