Updated

Washington Redskins coach Jay Gruden says he will look into the laughing and joking among some of his players following the team's latest defeat, adding: "I'm hoping that nobody was jovial after a loss."

Offensive captain Trent Williams and receiver Pierre Garcon were among players contributing to a surprisingly light atmosphere in parts of the locker room minutes after the Redskins' 27-17 loss Monday night to the Seattle Seahawks.

Gruden didn't witness the scene — he was at his news conference — but learned of it Tuesday. He said he has already discussed it with veteran safety Ryan Clark.

Said Gruden: "When you do lose, you want people to be sick about it."

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