By Andrew Downie RIO DE JANEIRO (Reuters) - Rampant Germany hammered Portugal 4-0, with four players sharing the goals, to progress to the semi-finals of the Rio Games football tournament on Saturday. Striker Serge Gnabry scored the opener for the Germans with a lovely angled shot seconds before half time and Matthias Ginter added a second with a commanding header from a corner 12 minutes into the second half. Davie Selke got a third in the 75th minute with a goal that was almost identical to the first, then substitute Philipp Max put the icing on the cake when he ended a sweeping move with a lovely finish into the top corner three minutes from time. More...