The remaining four series get underway today in NHL playoff action. The good news is that the bubble-concept has held up for the league, with no players testing positive so far in Toronto or Edmonton.
Two teams pulled off huge upsets in the qualifiers to get into the Round of 16. The Arizona Coyotes upset the Nashville Predators to set up their first-round matchup against the Colorado Avalanche. Meanwhile, in the Eastern Conference, the Montreal Canadiens shocked the Pittsburgh Penguins and will take on the Philadelphia Flyers.