Bruins at Red Wings, 8 ET (Bruins lead 2-1)

* Tuukka Rask (BOS): 2-1, 0.67 GAA (2 GA in 178:01 played) in this series (1-3, 3.29 GAA vs DET during regular season)

* Bruins: 3-7 on power play (42.9 pct) in last 2 games; 3-17 (17.6 pct) on power play in first 5 games vs DET this season (regular season and playoffs)

* Red Wings: 0-13 on power play in last 4 games (0-9 in this series) (Last PPG: April 11 vs CAR by Riley Sheahan)

* Red Wings: 1-5 in last 6 playoff games dating back to last season (outscored 17-7 in those 6 games)

Avalanche at Wild, 9:30 ET (Avalanche leads 2-1)

* Nathan McKinnon (COL): leads all rookies in playoff scoring with 7 points (1 G, 6 A); trails Paul Martin by 1 point for overall playoff scoring lead

* Avalanche: 1-11 (9.1 pct) on power play in this series; 1-22 (4.5 pct) on power play in 8 total games vs Wild this season (20.7 pct on power play vs all other opponents this season)

* Darcy Kuemper (MIN): 0 goals allowed on 36 shots against in 90:46 played in series (3.27 GAA, .879 save pct in 2 career playoff appearances entering this series)

* Charlie Coyle (MIN): 2 goals in this series (leads Wild); had 2 goals in 8 career regular season games vs COL entering this series

Sharks at Kings, 10:30 ET (Sharks lead 3-0)

* Sharks: seeking 2nd playoff series sweep in franchise history (swept VAN in 2013 Western Conference quarterfinals)

* Sharks: scored 17 goals in this series (had 8 goals in 5 regular season meetings vs LA in 2013-14)

* Kings: have not been swept in a playoff series since 2000 (swept by DET in Western Conference quarterfinals)

* Only 3 teams in Stanley Cup Playoff history have comeback from a 3-0 deficit to win a best-of-7 series (1942 Maple Leafs, 1975 Islanders, 2010 Flyers)