Sporting News' Vinnie Iyer takes a look at what the running back depth charts around the NFC are looking like after the early waves of NFL free agency with several backs available on the market to either upgrade committees or backup workhorses. Who will lead the Buccaneers' backfield? Are the 49ers happy with what they have? Are the Giants giving Saqon Barkley a threat for touches? Those answers and may more. Learn more about your ad choices. Visit podcastchoices.com/adchoices