Cadillac Williams a big piece of Bucs' backfield picture

Running back Cadillac Williams lost his starting tailback job in 2010 to rookie LeGarrette Blount, a development that might suggest Williams -- at 28-years old -- is expendable. But the way Williams finished the season actually suggests something totally different. Williams gave the Bucs' offense a dimension it hasn't often had, providing Tampa Bay with a legitimate third-down back whose talents run the gamut. He ran effectively, pass blocked with aplomb and caught 46 passes -- third-most on the team behind Kellen Winslow and Mike Williams. So, with Williams soon to be a free agent, expect the Bucs to try and retain this multi-faceted running back. With all he brings to the offense, and given how much offensive coordinator Greg Olson trusts him in the passing game, he is quite valuable to Tampa Bay. One of the concerns some will express about Williams is his history of knee injuries, something that can't be ignored. But the good news on that front is that Williams' ...