While Spurs regrouped after that second substitution, Ibrahim Afellay came close to giving PSV with the lead when his shot was beaten away by Robinson.
That is partly the healthy consequence of liberal economic reforms in the 1980s and 1990s: the previous policies of state-led import-substitution tended to concentrate economic activity close to the centres of political power.
Joel Thomas, on in a triple substitution for the home side, then went close to replicating Riordan's earlier heroics but his shot was brilliantly tipped away by Ma-Kalambay.