It’s whether they’re great enough to win another Super Bowl. And, just as importantly, how long their window to do so might stay open. The short answer is yes; the window is still open.

AP Sports Chiefs open training camp focused on Super Bowl redemption following humbling loss to Philadelphia By The Associated Press - ...

There are some NFL teams with wide-open Super Bowl windows that don't look like they'll close any time soon. Others, such as the Lions and Rams, are in trouble – but they're not alone.

But don't get it twisted, the Chiefs' Super Bowl window will be wide open next season. They have the best quarterback and the best head coach in the NFL.