This year's first-round matchups feature some key rematches from last season, including the defending champion Florida Panthers facing in-state rival Tampa Bay Lighting and last year's runner-up Edmonton Oilers facing the Los Angeles Kings for the fourth year in a row.

The Washington Capitals host the Montreal Canadiens in the first round of the NHL Playoffs with a 3-1 lead in the series.

The Colorado Avalanche and Dallas Stars continue their best-of-seven first-round series in the Stanley Cup Playoffs on Monday.