The Arizona Cardinals already know who their top two quarterbacks are but a case can be made for a third It is a forgone conclusion rookie Kyler Murray is going to be the Arizona Cardinals starting quarterback.  Brett Hundley has played well so far over the first two weeks of preseason and will be his […] Arizona Cardinals: A case for third quarterback - Raising Zona - Raising Zona - An Arizona Cardinals Fan Site - News, Blogs, Opinion and more.