Getty (Photo by Timothy T Ludwig/Getty Images) The Las Vegas Raiders have the second most salary cap space heading into free agency, per Over the Cap . Moreover, with the team projected to take former Indiana Hoosiers QB Fernando Mendoza first overall, the Silver and Black need to bolster their offensive line. Money won’t be an issue for the Raiders, who will have minority owner Tom Brady and new head coach Klint Kubiak, who is coming off winning a Super Bowl with the Seattle Seahawks , as