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An added twist in the tale is that Luis Enrique, who will stand a few yards away in the PSG technical area on Wednesday, was Barcelona's coach on the night even he described as "a horror movie not a drama".

When the key elements of Villa's strategy to outflank this outstanding, emerging PSG side - who have already beaten Manchester City in the group stage and sent Liverpool out in the last 16 - are studied, eyes will turn as much to the master European strategist in their technical area as to those carrying out his instructions on the pitch.

Mike Peter at Goodison Park: The touchlines are tight here, but that wasn't going to stop Mikel Arteta - he still squeezed out of his technical area almost 50% more than opposite number David Moyes.

Jover, just as much an animated presence as his manager, immediately took up position in the very corner of the technical area for any set-piece.

George Booth at Selhurst Park: Crystal Palace boss Oliver Glasner was an animated figure throughout - constantly moving in the technical area and never sitting down for long periods.