Yes, there will be ups, with the potential of the offense particularly interesting, and Fields did have an up-and-down day on the practice field, but that is what training camp is about.

The Jets have now gone zero days without a QB incident, the counter resetting on Thursday when Justin Fields threw an incomplete pass and then slowly sat down on the ground, in pain.

Jets coach Aaron Glenn said after practice that he did not yet know the severity of Fields' injury.