Thomas Muller blames poor World Cup preparation for shock Mexico defeat. Germany's easy-going approach to their World Cup warm-up matches may have contributed to their opening match defeat by Mexico, striker Thomas Muller said on Wednesday. The world champions played six friendlies between last November and the start of the tournament in Russia, winning only one, against Saudi Arabia. Muller, the Bayern Munich striker who is appearing at his third World Cup, admitted Germany will need to