Jerry Jones has been asked the question endlessly -- in a thousand different ways.
What would it take for the Cowboys to sit rookie quarterback Dak Prescott in favor of veteran Tony Romo?
"I don't have a definition for it, but you'll know it when you see it," the Cowboys owner and general manager told KRLD-FM on Tuesday, per The Dallas Morning News. "It's kind of like the definition I heard one time of another issue, trying to define a negative topic, and they said: 'I don't know how to say it, but it's just something that when you see it, you know it's there.