Why Saquon Barkley's health is crucial to Giants' success in 2021Barkley had 1,307 yards on the ground and caught 91 passes for 721 yards as a rookie in 20185/15/2021, 11:45 PMRalph VacchianoNFL InsiderJul 25, 2019; East Rutherford, NJ, USA; New York Giants running back Saquon Barkley (26) and quarterback Daniel Jones (8) look on during the first day of training camp at Quest Diagnostics Training Center. / Vincent Carchietta-USA TODAY Sports