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 situation came on the other side of the two-minute warning on Sunday night. With Kansas City clinging to a 32-29 lead, Allen and the Bills faced a do-or-die 4th-and-5 situation on their own 47-yard line. With Buffalo holding all three of their timeouts, Sean McDermott left his offense on the field to try and convert fourth down.

Kansas City #Chiefs defensive coordinator Steve Spagnuolo shares rules for maintaining Buffalo #Bills QB Josh Allen: ‘He sees everything’ | @EdEastonJr

The Kansas City Chiefs host the Buffalo Bills on Sunday in the AFC championship game for an opportunity to advance to their third-straight Super Bowl and a chance to complete a three-peat. But it's never easy preparing for the Bills and quarterback Josh Allen,

The Kansas City Chiefs and Buffalo Bills may be familiar with one another because of the number of times they have matched up over the last five years, but that truth does not drive away the difficulty for Steve Spagnuolo in preparing for Josh Allen.

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

Hurts largely succeeded against the blitz on the NFC side of the playoff bracket. But the Los Angeles Rams, who sacked Hurts seven times in Philadelphia’s 28-22 win in the divisional round, gave the Eagles quarterback considerable trouble. Oftentimes it appeared his checkdown options were ill-placed or covered up entirely.

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

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.

Kansas City Chiefs DC Steve Spagnuolo dialed up an unexpected corner blitz in a pivotal moment against the Buffalo Bills.

Another week, another trip to the Super Bowl for the Kansas City Chiefs, and another coaching masterclass from Steve Spagnuolo. A key piece to Kansas City advancing to its fifth Super Bowl in the last six seasons and now set to attempt the NFL's first-ever three-peat was the defensive effort led by Spagnuolo,

Kansas City Chiefs defensive coordinator Steve Spagnuolo has game-planned ... all eleven function as eleven," said Spagnuolo. "He's (Bills QB Josh Allen) one of those guys – especially up ...