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Wednesday, we told you – via Daily News beat reporter Frank Seravalli – about the Flyers wearing 16 Knock Knocks t-shirts under their uniforms for the playoffs. Well, it seems they are pretty serious about keeping them updated. 

Seravalli checks in again: 

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Now, we’re going to have to assume that they had some printed in advance, because ordering t-shirts after each win (perhaps 15 of them?!) would be a royal pain in the ass. But hey, it’s much better than the nerdy alternative:

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 Cool, you guys.