Battle of southpaws. I think Stevie's footwork and volume would cause problems for Casamayor. Plus his jab! And I wouldn't foresee Casamayor being able to really hurt or discourage Johnston. Still, there's no doubt Casamayor's left ha d would be a factor. And Casamayor himself certainly was a crafty boxer (a dirty one too). Tough fight for both but my pick is Lil' but Bad.