Built To Box TMZSports.com
Le'Veon Bell is so confident in his newfound skills in the boxing ring ... he's ready for a fight with Oleksandr Usyk -- and he tells TMZ Sports he's sure he can beat the heavyweight champ!
Bell called out the 37-year-old just after his impressive win over Tyson Fury on Saturday night -- explaining to us that he truly thinks he can take the belt away from the Ukrainian pugilist.
"If I ever get the opportunity to share the ring with him," the former All-Pro running back said, "that'd be that time where preparation meets opportunity and I'd get to show everybody what the hell I've been working on, bro.