The U.S.F.L. is testing tech that could resolve disputes over where balls are spotted, clearly show if a first down was reached and track players who stand too high on tackles. The N.F.L. is watching.
The U.S.F.L. is testing tech that could resolve disputes over where balls are spotted, clearly show if a first down was reached and track players who stand too high on tackles. The N.F.L. is watching.
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