Deshaun Watson KO'd a fan's College GameDay sign with one simple response

Clemson takes on Louisville Saturday night.

A fan tried to jab at former Clemson star Deshaun Watson during College GameDay Saturday morning before defending Heisman trophy winner Lamar Jackson and Louisville take on the Tigers.

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Watson didn't need to say a word, but instead tweeted one simple picture to land the knockout blow.

Watson's alma mater Clemson plays Louisville Saturday night at 8 p.m. ET.