13  Mr.\n\n Often a midfielder and a second 10, if you will, except in Spain where the 13 is required by rule to be a keeper. World: Michael Ballack, Alessandro Nesta, Maicon (w/ Inter), Eusebio (1966 World Cup), Thomas Muller, Gerd Muller, Rafinha.

The first-choice goalkeeper is usually assigned the number 1 shirt as they are the first player in a line-up. The second-choice goalkeeper wears, on many occasions, shirt number 12 which is the first shirt of the second line up, or number 13.