(L-R) Michael van Praag, Louis van Gaal and Ronald de Boer during the book presentation of the Louis van Gaal biography on October 8, 2009 in Amsterdam, The Netherlands. (Photo by VI Images via Getty Images)
(L-R) Michael van Praag, Louis van Gaal and Ronald de Boer during the book presentation of the Louis van Gaal biography on October 8, 2009 in Amsterdam, The Netherlands. (Photo by VI Images via Getty Images)