the long ball can be very effective as a switch in game plan in pressure situations. in chelsea's quarter-final victory over psg in the 2013/2014 champions' league, psg needed to defend their 3-2 lead on aggregate for 10 more minutes when fernando torres entered the game as a substitute for oscar. chelsea's rehearsed gameplan for this scenario was to go direct from anywhere in the field, and psg's defensive line fell very deep and very compressed. all secondary balls from either chelsea or psg players fell into spaces occupied solely by chelsea players, leading to multiple goal scoring opportunities, one of which eventually taken by demba ba.