A handful of 49ers players have been out of action at training camp due to injuries. He’s dealing with a quad strain that he sustained well over a week ago, which the 49ers have assured is nothing serious at all. Regardless, for a "little" quad strain, to miss that many practices is problematic. I’m sure it’s at an adequate level now, but for them to be clicking perfectly on all cylinders, they need reps in training camp. His quad strain can be the first sign and a reminder that his body is breaking down.