"The big thing is we've got to maintain our humility," Gruden said. "We've got to be humble and we've got to work our ass off. There's got to be no nonsense. We've got to get ourselves mentally ready to play from a discipline standpoint. "To repeat your success you have to repeat your success. That involves a lot of effort, a certain etiquette on the practice field, and so far we've been able to show that."