When we had NFL Media's analytics expert Cynthia Frelund on Next Pats recently, she was the perfect person to ask a question that has been rattling around in my brain for the last several months.
We discuss quarterback play ad nauseum. We spend a lot of time and energy trying to figure out how much coaching impacts a passer and vice versa. We squint hard at the numbers to try to decipher what's happening at the sport's most important position.
But which metric is best for gauging quarterback play? Which one tells us who's good and who's less than that?