Yes, cornerback Trent McDuffie — historically an excellent pass-rusher from the outside, and one who helped save the Chiefs in last year’s Super Bowl with a well-timed rush — got the green light to attack Bills quarterback Josh Allen. Or, perhaps, he made that decision on his own.

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’s defensive coordinator showed his importance in Sunday’s AFC championship. It’s long overdue that he gets another shot at being a head coach.

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

Here are 10 of the top reasons the Chiefs are Super Bowl-bound yet again: 1. They are inevitable. Let's just start here. The Chiefs are a dynasty.

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

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

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.

Spagnuolo’s first head coaching stint came with the St. Louis Rams from 2009 to ‘11. He also briefly served as the New York Giants’ interim head coach in 2017. The 65-year-old owns a sterling record in Kansas City, having won three Super Bowls and helped the Chiefs finish in the top-10 in scoring defense in five of his six seasons.

Kansas City Chiefs defensive leader, and Patrick Mahomes' teammate, Chris Jones shared his insights after the team's NFL Divisional Championship victory over the Buffalo Bills.

Kansas City #Chiefs defensive coordinator Steve Spagnuolo reveals concern covering Houston #Texans wide receiver Nico Collins | @EdEastonJr

The Kansas City Chiefs used to be no strangers to losing coordinators to other teams searching for a new head coach.