Vaakanainen will play for the first time since February 1st, replacing Connor Clifton on the third pair. Vaakanainen has picked up four assists in 13 games while averaging 19:10 TOI/gm this season.
Leason has spent most of the season with the Capitals, scoring three goals with three assists (six points) in 33 games. He was recalled on Wednesday to join the team on their way to Montreal, replacing Alex Ovechkin, who was ineligible to travel to Canada due to COVID-19.
Dumoulin is dealing with "wear and tear" and may not be available for Tuesday's game vs. the Capitals. Monitor his status as the Penguins hit the ice for warmups at 6:30 PM ET.
Vatrano will sit on Saturday with Joe Thornton getting into the lineup to play against his former team.
Vatrano had one shot and two PIMS in 11:18 TOI on Sunday but will be a healthy scratch for the third time in four games on Tuesday.
Fowler has not played since January 14th but he cleared COVID-19 protocol and could play Monday in Boston. Monitor his status as the Ducks hit the ice for warmups at 6:30 PM ET.
Terry cleared COVID-19 protocol and was back at practice on Sunday but it's unclear whether or not he'll play Monday in Boston. Terry has not played since January 11th.
Vatrano has no goals and two assists in his last seven games and will be a healthy scratch on Thursday. Vatrano will be replaced but Maxim Mamin.