Roberts returns to Raiders, but he'll have competition

Daily Raiders blog for NBC Bay Area website: The Raiders re-sign wideout Seth Roberts, who'll have to beat out Cordarrelle Patterson to be the team's No. 3 target. http://www.nbcbayarea.com/news/local/Re-Signed-Roberts-Will-Have-to-Battle-to-Earn-No-3-Receiver-Role-419728474.html