The Chiefs enter Sunday with a nine-game winning streak in the playoffs because Spagnuolo and his players have outwitted offenses.

The mad scientist pulling all those strings is Steve Spagnuolo, the Chiefs defensive coordinator, whose job in helping Kansas City get back to the Super Bowl had him interviewing with several clubs ...

Without defensive coordinator Steve Spagnuolo, we might not be calling it a dynasty at all. The Chiefs leaned on their defense during their run to another Lombardi Trophy last season, and it was ...