Paul Stastny

Center stage: NHL contenders go deep down the middle

A linesman orders Sean Couturier out of the faceoff circle and Claude Giroux shrugs before stepping in and winning the draw.

Two centers on the ice at once is a nice luxury for the Philadelphia Flyers to have.

"He's one of the best in the league at faceoffs," Couturier said of Giroux, who ranks third in the NHL. "When you start with the puck, it's a huge part of the game."

Beyond just controlling faceoffs, having depth at center is a growing factor for success in the NHL. Contenders like the Flyers, Tampa Bay Lightning, Nashville Predators, Winnipeg Jets and two-time defending Stanley Cup champion Pittsburgh Penguins all boast depth down...