I guess the window was still open after all. Probably wide open in fact. Remember all that preseason talk of how the Buffalo Bills' window for winning had closed, how it was over for them, how the roster turnover would change the team's fortunes and that they couldn't get past those losses on the field in the playoffs and on the roster?

The Kansas City Chiefs finally took their first loss of the season on Sunday, and while 9-1 is still a strong record to have, it caused a noteworthy shift in the NFL landscape. The Detroit Lions surpassed the Chiefs to become the betting favorites to win the Super Bowl at several sportsbooks -- for the first time in the woebegone franchise's history.