Thwarting Washington's power play a top priority for Penguins

Nicklas Backstrom, second from right, battles a pair of Flyers during the Capitals' first-round playoff series.It’s that wicked one-timer from the left faceoff circle by Alex Ovechkin.

It’s John Carlson on the point.

It’s the puck movement through Nicklas Backstrom at the half-wall, T.J. Oshie in the slot or Marcus Johansson at the net front.

The Washington Capitals power play converted eight times while dispatching the Philadelphia Flyers in the first round of the Stanley Cup playoffs. It also paced the Eastern Conference in the regular season with 55 power-play goals and a 21.9 percent success rate.

The Penguins’ ability to extinguish, or even slightly muffle the Capitals power play, will go…