Kyle Shanahan’s results should speak for themselves.
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With near-constant instability at the most important position, his teams have reached three NFC title games over the past four years.
But here’s another way to think about it: That instability was caused in part by his own erratic decision-making. Shanahan the personnel boss has done Shanahan the coach no favors at quarterback, even as he’s built a perpetually stacked roster elsewhere.
Regardless, something was eating Shanahan when he was asked Wednesday about Jimmy Garoppolo’s recent comments.