‘"I think Fitzpatrick showed some things early that were very exciting … helping the Buffalo Bills come out of the gate in impressive fashion," Gruden said. "But in this league, at the end of the day it’s about sustaining. Ryan Fitzpatrick has to prove he can start the season and end the season by putting the Buffalo Bills back in the playoffs where we used to see them. That remains to be seen. I think he’s got to answer those questions himself."’