> That’s why the three-time Pro Bowl selection recently spent two days at Boston University going through a battery of scans and tests to determine how much all those collisions affected his brain. The hope is that it will be a small step toward a goal that has eluded doctors: diagnosing chronic traumatic encephalopathy in the living.
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> “They need guys like me. They need people who are feeling good to step up to the plate and volunteer,” Hasselbeck said. “I played quarterback, so I didn’t take some of the hits that a lot of my teammates took.
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> But the guys who were blocking for me, or playing special teams, or trying to get the ball back for me on defense, I wanted to do something. They had my back, so in a way I’d like to have their back.”