For concussions concerns, Tampa Bay Lightning forward Brandon Hagel left his club's 4-2 loss to the Florida Panthers on Monday in Game 4 of their first-round series, after a high hit from defenseman Aaron Ekblad that wasn't penalized in the second period.

Mike Sullivan, who led the Pittsburgh Penguins to back-to-back Stanley Cups in 2016 and 2017, is out as the team's head coach, it was announced Monday.

Connor Hellebuyck says there is no crack in his confidence after the Winnipeg Jets goalie was pulled during his team's last two playoff losses.