Hearing a number of things; it could be a tweak hamstring injury from camp was more than Payton has disclosed (since it started in camp); it could also be his previous left foot injury (Non-NFL related)...

Another issue that's come up, as the defense showed some improvement, Dennis Allen added more layers, complexity to the fronts, reads/reactions, and they're as complicated as they were under Ryan...

So Baun, with no rookie camp, abbreviated training camp, and no preseason games has had to really take on a lot; Baun was also drafted to replace Davis in the even he became salary cap cost prohibitive to re-sign...

I'll DM some folks to see if they can now start to leak out what's going on...