The incident occurred at the tail end of a skirmish stemming from a hit by Capitals forward Brendan Leipsic. He flattened his opponent behind the net and multiple fights broke out as Chandler Stephenson buried the loose puck to extend Washington's lead to 3-0.
The Ducks were predictably incensed with Hathaway after the game.
"That's about as low as you can dig a peg," Gudbranson told Stephen Whyno of The Associated Press.
Six different players were handed penalties amid the chaos, though Hathaway is likely the only one of the bunch facing supplemental discipline from the league.
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