Exclusive listing for femx240Derrick Thomas Kansas City Chiefs signed Eastport Snapback Hat, authenticated by Beckett and SportsMemorabilia. com Derrick Vincent Thomas, nicknamed "D. T.", was an American football linebacker and defensive end for the Kansas City Chiefs of the National Football League. Considered one of the greatest pass rushers of all time, he played 11 seasons with the Chiefs until his death in 2000 Eastport snapback hat with adjustable strap Excellent condition;