Tyrann Mathieu says comments about Chiefs' 'toxic' fan base were 'a mistake' made out of frustration | CBS Sports Headlines Tyrann Mathieu says comments about Chiefs' 'toxic' fan base were 'a mistake' made out of frustration Mathieu was seemingly defending teammate Anthony Hitchens and general manager Brett Veach ESN FeedsThis … Continue reading Tyrann Mathieu says comments about Chiefs' 'toxic' fan base were 'a mistake' made out of frustration