Going into the locker room at the first intermission, the Washington Capitals had no goals but all the momentum.
Three successful penalty kills kept the Philadelphia Flyers off the scoreboard and the Capitals knew they'd get their chance.
When that happened, John Carlson scored on the power play Thursday night and the Capitals locked down defensively in a 2-0 victory at Washington in Game 1 of a first-round Stanley Cup playoff series.
In a special-teams showcase, the Capitals leaned on their signature penalty killing and the goaltending of Braden Holtby.
Holtby stopped all 19 shots he faced in his third playoff shutout.
"He's been great all year...