I'm not sure how fWAR evaluates catcher defense. It used to be the second step in the underpants gnome business model. UZR used to not try, but there have been some other saber types on hardball times and elsewhere who have started to try to quantify framing and blocking pitches as well as arms. I think Chief is right to be skeptical about WAR measurements for catchers with obvious defensive problems like Ramos this year.