You've heard the "Voice of the Chiefs" Mitch Holthus talk about it before—injured running back Jamaal Charles' "Port Arthur toughness."

Last Friday night, on November 6, Charles had his No. 4 high school jersey retired from Port Arthur Memorial in Port Arthur, Texas.

Here's a photo of Charles from the event:

According to MaxPreps, Charles compiled 4,107 yards rushing and 50 scores during his high school career, earning first team all-state honors both as a junior and as a senior.