Getty (Photo by Ethan Miller/Getty Images) The Las Vegas Raiders will have to decide in the coming months who their starting QB will be by Week 1. All signs point to Kirk Cousins being that guy, but the veteran needs to edge out the No. 1 pick in Fernando Mendoza. Las Vegas doesn’t appear to want to throw Mendoza out on the field before he is ready, and so they are handling his progress with extreme care. Nonetheless, the question will be whether the Silver and Black stick to Cousins even if