Week 4 in the NFL saw the Bills storm back (in a literal storm) from down 20-3 to the Baltimore Ravens. Aaron Rodgers and the Packers held off rookie Bailey Zappe and the Patriots in overtime, and Patrick Mahomes casually threw 3 TDs against Tom Brady and the Bucs. But undeniably, the biggest story of NFL Week 4 actually took place on Thursday night, when the Dolphins' Tua Tagovailoa suffered a frightening head injury against the Bengals. The injury came just four days after Tua suffered what appeared to be another serious head injury in Week 3, but nonetheless was cleared by an independent neurologist to return to the game. We called up Alex Smith, who’s been through concussion protocol multiple times himself, to have an in-depth and honest conversation about how players view the NFL’s concussion protocol…and what needs to change.

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