Its legit. The speculation is over and whether you agree with it or not the Cable guy is gone. I guess the first sniff at Jackson by the Niner made Al  have to make a quick decision. I like Cables tenacity and fire, but unfortunately with the talent I think we have a better chance with Jackson. Here is the link below

http://www.raiders.com/news/article-1/CABLE-CONTRACT-NOT-EXTENDED/9677d78e-1ceb-43b4-bc0e-8fb7234f5fcc?module=breaking_news