Almost no one is giving Berto a chance to win the fight -- so we asked Sly if he thinks he's even got a puncher's chance to upset Money. Check it out ... Sly says there's a chance, but not a puncher's one.
Stallone also throws a playful jab at "Southpaw" star Jake Gyllenhaal's on the topic of big screen boxers. We'll give you one guess which actor/fighter he IS backing.
Yep. You got it.