Sporting News' Vinnie Iyer breaks down the latest consensus expert rankings for running backs in half-point PPR formats ahead of the opening of NFL training camps. Who's rising? Who's falling? Whose fate is tied to what we learn in camp?From Christian McCaffrey and Saquon Barkley at the top to buzzworthy young backs such as Miles Sanders and Clyde Edwards-Helaire, here's getting you caught up on the trends at the position as we quickly get toward fantasy football "real" draft time. Learn more about your ad choices. Visit podcastchoices.com/adchoices