Niskanen, Orpik and Oshie are scheduled to meet the team on the second leg of the road trip.
Evgeny Kuznetsov did a wonderful job styming Connor McDavid and the Capitals have yet to lose at home in 2017.
Speaking before the Capitals-Oilers game, Wayne Gretzky spoke to Alan May and the subject of Alex Ovechkin came up.
Capitals Rewind: In the first game back from their bye week, the Capitals lost to the Detroit Red Wings in a shootout.
NHL Power Rankings
Taking you through the ups and downs of the NHL season. Which teams are hitting their stride and which teams are struggling? Find out where all the teams in the NHL stand with the NHL power rankings.