Jack Harlow might be a big deal in hip-hop circles, but it doesn't seem he's nearly as impactful among the football crowd -- as seen in his now-viral appearance on ESPN.
The rapper was the special guest Saturday for "College GameDay" -- where analysts and pundits sit around talking shop about all the games going down for the day ... and who they got to win, etc. Jack was on the panel too ... but first, let's start with his performance.
JH was at Ohio State here -- who are playing Notre Dame today -- and as he was introduced on a tiny little stage while surrounded by students .