Pittsburgh Penguins at Ottawa Senators (7 p.m. ET; SN, TVAS, ATTSN-PT, ESPN+, SN NOW)
Though Kris Letang will not be on the ice for the Penguins (22-15-6), the defenseman provided a big boost by returning to practice Tuesday after missing nearly three weeks after the death of his father. Letang (lower body) last played Dec. 28. Pittsburgh defenseman Jeff Petry (upper body) returned to full contact Tuesday after missing 15 games, as did forward Ryan Poehling (10 of 11, upper body), and both will travel to Ottawa. The Senators (19-21-3) have lost four of five but get Josh Norris back after the forward missed 38 games with a shoulder injury.
Boston Bruins at New York Islanders (7:30 p.m. ET; TNT, NESN, SN)
David Pastrnak has 12 points (10 goals, two assists) in his past six games, a run that started Jan. 5 and moved him from fifth in goals scored to second behind Edmonton Oilers captain Connor McDavid (38). He is the first Bruins skater to score 10 goals in a six-game stretch since Barry Pederson scored 12 times in six games from Dec. 4-12, 1982. Islanders center Mathew Barzal does not have a point in four consecutive games after he had eight (six goals, two points) in his previous five.
Colorado Avalanche at Calgary Flames (9:30 p.m. ET; SN1, SNW, TVAS, ALT2, ESPN+, SN NOW)
The Avalanche (22-17-3) have won two in a row after losing seven of eight (1-6-1). Valeri Nichushkin returned for a 6-3 win against the Detroit Red Wings on Monday. The forward missed nine games with an ankle injury and had an assist and four shots on goal in 18:54. Cale Makar is day to day with an undisclosed injury and will not play. The Avalanche defenseman is on a six-game point streak (four goals, five assists). The Flames (21-15-9) had their five-game point streak (3-0-2) end in a 2-1 loss to the Nashville Predators on Monday. They start a four-game homestand after a five-game road trip.
Tampa Bay Lightning at Vancouver Canucks (10 p.m. ET; SNP BSSUNX, ESPN+, SN NOW)
Tampa Bay has outscored opponents 19-10 during its four-game run, all with Andrei Vasilevskiy in goal. He's one win shy of 250 in the NHL. The Canucks begin a four-game homestand and have lost seven of nine (2-7-0).
Dallas Stars at San Jose Sharks (10 p.m. ET; TNT, SN NOW)
Stars forward Tyler Seguin has goals in each of his past three games and five points in his past four (three goals, two assists). Sharks defenseman Erik Karlsson has 17th multipoint games, the most by a defenseman this season and fewer than only seven players (all forwards).