This Argentina flag has become a powerful symbol at Old Trafford in tribute to Manchester United defender Lisandro Martinez. Known affectionately by fans as "The Butcher" (or El Carnicero), Martinez earned his nickname during his time at Ajax for his aggressive and uncompromising style of play, has been fully embraced by the United faithful. Fans frequently unfurl these customised Argentine banners while chanting "Argentina! Argentina!" to celebrate his warrior-like presence in the heart of the defence. Martinez himself has expressed his deep pride and emotion at seeing his national colours displayed so prominently by the Manchester supporters. Poles are not included.