EmailPrintOpen Extended ReactionsThe Philadelphia Eagles' running back depth chart is in flux after Sunday's game.In addition to the hamstring injury suffered by starter Saquon Barkley against the Los Angeles Rams, his backup, Tank Bigsby sustained a core muscle surgery that requires surgery, sources told NFL Network's Ian Rapoport.Bigsby is headed to injured reserve, with hopes he's back in six weeks or shorter, the sources told Rapoport.Earlier on Monday, coach Nick Sirianni said, "we'll see" when asked if Barkley will be available to play on Sunday when the Eagles face the Jacksonville Jaguars in London.
