Washington Capitals defenseman John Carlson skates with the puck

Washington Capitals defenseman John Carlson (74) skates with the puck while defended by Pittsburgh Penguins defenseman Olli Maatta (3) and Penguins right wing Bryan Rust (17) during the third period at Capital One Arena in Washington, D.C. on December 19, 2018. Photo by Alex Edelman/UPI