Colin Kaepernick is Kryptonite to Newton's Superman


First, Colin Kaepernick mocked Cam Newton's Superman celebration. Now he's doing whatever this is, relating back to the Man of Steel's weakness.

Newton claims to be unfazed by the preening one-upsmanship.

"It's not the first nor will it be the last time somebody does that," Newton said in reference to Kaepernick's touchdown celebration, according to NFL Media's Jeff Darlington.

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