The Buffalo Bills are still in championship purgatory, and one play in particular doomed them, because they ignored one primary schematic trait from Steve Spagnuolo

The Buffalo Bills had their season come to an end Sunday night with a devastating loss to the Kansas City Chiefs in the AFC championship game. Their final offensive play will be thought about by a lot by players and fans over the offseason, as the failed 4th-and-5 came so close to being converted on a desperate heave by Josh Allen.

Chiefs defensive coordinator Steve Spagnuolo pulled out one of his best calls when his team needed it against the Bills.

Kansas City Chiefs defensive coordinator Steve Spagnuolo has game-planned against some of the best quarterbacks in league history throughout his famed career. During Thursday's press conference, Spagnuolo shared his thoughts on potential defensive rules against

The game — and the Chiefs’ historic charge toward an unprecedented Super Bowl three-peat — was slipping away Sunday night in Kansas City.

Kansas City #Chiefs defensive tackle Chris Jones gives a ringing endorsement for defensive coordinator Steve Spagnuolo | @EdEastonJr

Kansas City #Chiefs cornerback Joshua Williams reveals gameplan for stopping the ‘Tush Push’ vs. Buffalo #Bills | @EdEastonJr

The Kansas City Chiefs are going to the Super Bowl ... again. One year after claiming their second straight Lombardi Trophy, the reigning champions punched their ticket to Super B

Defensive coordinator Steve Spagnuolo's use of the blitz could be the Chiefs' key to beating the Bills in the AFC Championship Game on Sunday.

Sean McDermott needs to take a hard look at his defense and make some structural changes for next season, writes Mark Gaughan.

The Kansas City Chiefs’ and defensive coordinator Steve Spagnuolo's next task is one of their toughest, facing the Buffalo Bills’ offensive line in Sunday night’s AFC championship game.