Josh Allen's punishing running style has undoubtedly been effective, but Buffalo Bills head coach Sean McDermott questioned whether it can be sustainable for the star quarterback over the long haul.
"I don't think that's a healthy way to play QB in this league and it's undefeated that things are going to happen when you play that style, brand of football," McDermott told NFL.com's, Judy Battista.
This article will be updated soon to provide more information and analysis.
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