I've watched this kick in slow motion and regular speed a dozen times.
Two things are clear, the first is that the ball was not above the uprights at all. It was close, but certainly the ref standing UNDER the upright has no clue.
Second, this kick was good by several feet, not just a few inches.
The NFL using the excuse that balls kicked above the upright are not reviewable is ridiculous, how do you know it was above the upright?
There is only one wa