50/50, but I lean towards Martin. I think he has had the better competition and is more experienced as a professional fighter. He has better defense and more patience than Davis. Davis tends to rush his shots and doesn't allow correct spacing to land his shots properly. Martin has very good spacing and distance control with good footwork and speed. He also has good power as well.
Martin has better defence and footwork but Davis has quicker hands and is the better counter puncher. Not much separating them but I give the edge to Martin right now based on what we've seen, he's better fundamentally and in a tough competitive fight I just see him out toughing Davis.