There's a question it only makes sense to ask: What if you tear up your knee a fourth time? He looks a little puzzled. Davis says he really hasn't thought about it.
But a little later, he talks about growing up in Georgia and playing ball in his friends' yards or out in the street. He started to notice that he was better at the games than his friends. And that made him want to play even more. He played until the streetlights came on.
"You know," he says, "I was a kid who was determined to stay out there all day."
Tommy Tomlinson was a longtime columnist for The Charlotte Observer and a Pulitzer Prize finalist in commentary. He's now a freelance writer in Charlotte. You can reach him at email@example.com.