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How does a quarterback get a perfect QBR when they had incomplete passes? - Quora
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How does a quarterback get a perfect QBR when they had incomplete passes? - Quora
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What is considered a good NFL quarterback rating? - Quora
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What are the main reasons NFL quarterback passer ratings are higher now than they ever have been before? - Quora
What is the difference in a passer rating and a QBR? - Quora