Kakko dished out two assists in Friday's 3-2 win over the Capitals.
Kakko had a hand in Filip Chytil's second-period tally and Dryden Hunt's third-period marker. Chytil's goal opened the scoring and Hunt's broke a 2-2 tie. Injuries limited Kakko to just 43 games in the regular season, and he totaled 18 points.