The Kansas City Chiefs' hold over half the NFL appeared broken when the season opened in September — and no team was better positioned to take advantage than Buffalo.

Since 2020 the Bills, along with another Kansas City challenger, the Baltimore Ravens, perennially found themselves under Kansas City's thumb. They were a combined 0-5 in the postseason against the Chiefs as they went on to win five of the last six AFC championships.

Patrick Mahomes #15 of the Kansas City Chiefs in Kansas City, in September.

Jamie Squire / Getty Images

The Chiefs stumbled to 0-2, however, and Baltimore's swooned to a 1-5 start. Buffalo, meanwhile, started 4-0 with quarterback Josh Allen picking up right where his MVP season left off last year.

Yet as the season hits its midway point, Buffalo's window to

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