A chess match like battle. I think a seasoned fighter like campbell can pull it off. I don't discredit guzmans skill and talent but he never fought A-class type fighter above 122 division thats why he looks good on those fights. wonder if he fought the marquez, barreras, morales or pacs in the 126 or 130. and keep in mind 0 KO since leaving 122. If campbell can deal juan diaz power i think he can deal guzmans as well. and i don't think juan diaz is less talented than guzman. Guzman speed is good but he is no PBF. He barely beat Sotto in his last fight. Again talk is cheap in boxing. Another "ifs" and "buts"... Lets just wait the result and we'll see who fights next who.