Ryan Flaherty didn't want to use the word stubborn to describe Russell Wilson. But he said when the Seattle Seahawks quarterback has conviction in a plan, it can be difficult to change his mind.
So when the pair began to discuss Wilson's offseason training regimen, Flaherty realized he had some work to do.
He has trained athletes in different sports but has become increasingly popular among NFL quarterbacks, having worked with Cam Newton, Marcus Mariota and Carson Palmer.
A year ago, Wilson's focus was clear: He wanted to get faster.