I know I may get slammed for this but the NFL players have gotten really soft since I began watching. I mean a player is out for 3 weeks for an ingrown tow nail these days. Kamara situation is ridiculous.
Kamara is one of the most conditioned players in the league. His off-season regimen is absolutely insane.
This is a brutal sport that is getting faster and faster every season. It's one thing to walk around and "function" with many of the injuries we see on that report.. but to go out and run/cut, or go up against 300+lb men is a different animal.