Barstool's PFT Commenter Says Sean Payton's Boosting Goodell Clown Shirt Sales

[[tmz:video id="1_gh9e7a99"]] Forget Kylie ... Sean Payton is the best influencer on social media. ... this according to PFT Commenter, who tells TMZ Sports the Saints head coach's TV appearance in a Barstool Sports "Roger Goodell Clown" shirt has…