Germany's defender Benjamin Henrichs (L) and Germany's defender Shkodran Mustafi attend a training session in Sochi on June 28, 2017 on the eve of the Russia 2017 FIFA Confederations Cup football semi-final match Germany vs Mexico. Pic/AFP

Germany are the kings of the penalty shoot-out - but the world champions hope to see off Mexico in today's Confederations Cup semi-final without spot kicks.