TMZ.com

Jason Kelce Autograph Seeker Goes Berserk On Ex-NFLer | TMZ Live

A man seeking a Jason Kelce autograph on Thursday night went ballistic on the former NFL star ... calling him a "p***y" and screaming out "f*** you" repeatedly, but Travis Kelce's big bro admirably deescalated the situation -- and the tense moments were all captured on video by TMZ Sports.

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