If the legal issues are sorted then this could be his next fight. The Moreno fight has gone down the shitter due to Moreno having contractual issues with his promoter. McDonnell's people have being contacted about this fight and they'd love to take it. Source - Yorkshire Evening Post (McDonnell's regional paper).
I'm going to expose this as an April Fools Day joke solely because I fell for one earlier involving Wayne McCullough and Rendall Munroe.