Buffalo isn't a perfect playoff team by any means. As his team prepares for the postseason, Coach McDermott still sees a lot of work in front of his team as he continues to preach the daily growth mindset.

Even those who have been high on the Bills from the start aren't blind to some of the team's areas that remain a work in progress.

"The offense isn't perfect," said Prisco. "I go back to the Cleveland game where Dawson Knox drops a back-shoulder fade in the end zone. Allen was late with the throw, but those are the little things. It was a little behind him, but he's got to make that play. He's just not there yet.

"John Brown has had a great season, but they need a big guy on the other side. And that's what Josh Allen is missing. It took them a while to get Devin Singletary going. Now you can't put the ball on the ground, but he's looking like the guy they expect him to become."

All of these Bills backers agree that Josh Allen's game has taken a sizable step forward this season, and it's been critical in getting the Bills in the position they now find themselves. What's even more encouraging for these analysts is they believe there is a lot more ground that Allen's personal game can cover going forward.

"I just think that Josh really has become a quarterback that you can rely on," said Schein. "I think he's the best quarterback Buffalo has had since Jim Kelly. I don't even think he's come close to his ultimate upside. You know there's those who feel he can be more consistent, in terms of hitting the open man, but you know he's a guy you want as your quarterback and it's only his second year.