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Kyle Shanahan and Mike McDaniel spent years together scheming ways to exploit NFL defenses. Now split apart with McDaniel in his second season coaching Miami and Shanahan in Year 7 in San Francisco, the two offensive coaches have their teams threatening records with their early season domination. The 49ers and Dolphins rank 1-2 in several key offensive categories, from scoring to yards per play to success rate to passer rating to first downs.

Topical

The San Francisco 49ers were reluctant to blitz Josh Allen because they were afraid of his mobility, and they were leery of playing too much man-to-man coverage against the Bills� wide receivers, writes Mark Gaughan.