With two exceptions, quarterbacks are doing well this year

Five quarterbacks (Romo, Brees, Rivers, Newton, Brady) currently are on pace to shatter the single-season passing yardage record, set by Dan Marino in 1984.  Two more (Hasselbeck, Rodgers) are on pace to come close to matching it.  But it’s not just the best quarterbacks who are having solid years.  Under the official passer rating (i.e.,…