You can cross Francis Ngannou's name off the list of potential replacement opponents for Jake Paul with his bout against Gervonta Davis in jeopardy ... 'cause the former UFC champ tells TMZ Sports no amount of money would entice him to fight El Gallo!
We spoke with 39-year-old Ngannou after his name began floating around this weekend as a fill-in for Tank -- as the boxing star's latest legal trouble has forced Most Valuable Promotions to consider pulling the plug on the November 14th scrap.