Tyrann Mathieu a tone-setter for Chiefs defense
Tyrann Mathieu talks relationship with Chiefs entering offseason - On3
Chiefs' Tyrann Mathieu Explains Week 6 Sideline Outburst
Potential Chiefs title defense swamped in a sea of flags, drops
Report: Chiefs set to sign free-agent safety Tyrann Mathieu
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CBS Sports Ranks Tyrann Mathieu as the Top Safety in the NFL for 2020
Bucs benefit from Chiefs' penalties in first half of Super Bowl 55
Kansas City Chiefs safety Tyrann Mathieu drops 19 spots in NFL Top 100