JJB could certainly look after himself, he's a karate grand master (or whatever) : https://www.shidokan.org.uk/instructors/shihan-jj-burnel/#:~:text=Shihan%20JJ%20Burnel%20has%20over,branch%20chief%20of%20The%20Shidokan.
I heard tell that a pissed-up Shaun Ryder took a swing at him backstage...