2007 Men's Hockey Champions Challenge  The 2007 Men's Hockey Champions Challenge took place in Boom, Belgium from June 23 to July 1, 2007. Argentina earned a spot at the 2008 Champions Trophy in Rotterdam, Netherlands after having defeated New Zealand in the final. Head Coach: Sergio Vigil  Head Coach: Giles Bonnet  Head Coach: Jason Lee  Head Coach: Joaquim Carvalho  Head Coach: Akira Takahashi  Head Coach: Shane McLeod  Below is the eight umpires appointed by International Hockey Federation (FIH):  "All times are Central European Summer Time ()"