Aaron Rodgers played four football seasons with a torn anterior cruciate ligament in his left knee.
His coach, Mike McCarthy, didn't know about that. His offensive coordinator, Joe Philbin, didn't know about that. Almost nobody knows about that.
But it's true, and now the story will be told.
It should answer some of the doubts regarding Rodgers' durability, at least the part about his toughness. And it will shed additional light on his absolute refusal, from an early age, to take no for an answer when it comes to his ultimate success on a football field.