Garnet Hathaway
scored on a snap shot at the left post to give the Capitals a 1-0 lead at 3:36 of the first period. Daniel Sprong, who entered the lineup after Evgeny Kuznetsov was ruled out with an upper-body injury, made it 2-0 on a deflection from the slot at 5:06.
"When guys aren't wasting time or energy or thinking too much, that's when we anticipate the play and then you see that work ethic take over in a battle, beating guys to the puck," Hathaway said. "I think that's what creates our offense a lot too."
Lars Eller, who replaced Kuznetsov on the top line, scored to give the Capitals a 3-0 lead at 13:40. Eller scored on a wrist shot from the right circle on a 3-on-1 with Conor Sheary and Alex Ovechkin.
"Today we finally came out with a really good start, we were on our toes, all four lines were going," Eller said. "I'm encouraged by what I've seen here lately, but especially the last two games more so maybe, and then the last five, seven or so."
Hischier scored a power-play goal at the left post after taking a bank pass off the end boards from P.K. Subban at 18:16 to pull the Devils within 3-1.