Manuel Pellegrini went against his favoured 4-4-2 formation and as suggested played a 4-5-1 to contain Barcelona.
It gave extra protection to Vincent Kompany and to the much-maligned Martin Demichelis who seemd composed in the early stages.
He committed just a single foul - unfortunately that happened to be the last man tackle on Lionel Messi that got him sent off and led to the concession of the crucial penalty which turned the game...
Visit Squawka's match centre for more foul graphics from the game.
The Squawka heat map for Lionel Messi also shows his movement. The Barcelona attacker did not drift out to the left when getting on the ball with most of his play centred on the right side of the pitch.
Meanwhile Yaya Toure's Squawka heat map shows the disciplined role he played in the central midfield, curtailing his forward forays...
Meanwhile, Zlatan Ibrahimovic scored a brilliant long-range goal in PSG's 4 - 0 win over Bayer Leverkusen. Nominally the most advanced player for the reigning French champions, two-goal Zlatan's Squawka heat map from that game shows that how tough it is to pin him down with his movement false 9-esque.