‘The fourth-year player is banking on himself to show the Bills and the rest of the NFL he’s worth the $15 million annual salary Cook first proposed in a social media post in February. Among NFL running backs, his asking price would match what Baltimore’s Derrick Henry is set to make this season and is behind only Philadelphia’s Saquon Barkley ($20.6 million) and San Francisco’s Christian McCaffrey ($19 million).’