NFL: Adam Schefter on Twitter: "Doug Marrone has opted out of his contract as the Buffalo Bills coach and is now a free agent to pursue other jobs, per @mortreport and me."

https://twitter.com/AdamSchefter/status/550428416298983425 via /r/nfl http://www.reddit.com/r/nfl/comments/2qynd0/adam_schefter_on_twitter_doug_marrone_has_opted/