WASHINGTON, DC - APRIL 28: Matt Niskanen #2 of the Washington Capitals and Conor Sheary #43 of the Pittsburgh Penguins go after the puck in the third period in Game One of the Eastern Conference Second Round during the 2016 NHL Stanley Cup Playoffs at Verizon Center on April 28, 2016 in Washington, DC.  (Photo by Rob Carr/Getty Images)