The Facts: The Raiders will file relocation papers to move from Oakland to Las Vegas, sources familiar with their thinking told NFL Network's Ian Rapoport. The city of Oakland has made no progress to keep the team, sources say. It has not come up with a stadium proposal that league or independent sources believe is credible. At this point, it is only a matter of time before they officially leave.

Diehards Line: After a year of planning, debate, and bold action, after many years of a sub-par stadium option in Oakland, the Raiders have made a firm decision on their future. The stunning move, one that should be made official in the coming days, is expected to add a new city to the NFL's ever-changing landscape. The Raiders would need 24 votes from the league's owners to formerly make the move, a vote that will come this spring. ... We'll follow up as needed.