Every year it gets brought up at least once, but usually closer to a handful of times as the season progresses.
Is Philip Rivers done? Will he retire or will the Chargers decline to re-sign him for another year?
Is his arm strength finally gone? Is he finally losing some of that sharp decision-making that has allowed him be one of the better quarterbacks in the NFL for the last 15 years?
These questions, and many more, were running through the brains of...