Las Vegas Raiders running back Josh Jacobs, who sat out of organized team activities this spring, returned to practice on the first day of training camp on Thursday. In what could be his final season in black and silver, Jacobs should be the team's primary backfield option, but he'll have to prove himself to the new coaching staff to hold off Kenyan Drake, rookie Zamir White and Brandon Bolden, who has plenty of experience with head coach Josh McDaniels from their time in New England. With ...