Will Carroll: Stretch run tests players' pain threshholds (Sports Illustrated) Some of you don't want to hear about steroids, performance-enhancing drugs, or the painkillers that remain the dirty little secret of the NFL. If you're one of those who tells me you "just want to watch the game," or "they're paid to play, no matter what," well, I'll get to the injuries and we'll discuss the StarCaps situation a bit later. It's important enough that I hope everyone reads to the ...