Blank envisions 30 more years of Goodell as Commissioner

The NFL hires Commissioners roughly as frequently as the Steelers hire coaches.  Actually, Commissioners come and go even more rarely than Pittsburgh coaches. Since 1960, the NFL has had three:  Pete Rozelle for 29 years, Paul Tagliabue for 17, and Roger Goodell for six as of August, and counting.   With Goodell under contract through the…