Thiago Silva of PSG chases down Lionel Messi of Barcelona during their UEFA Champions League quarter-final second leg game. The Catalan side thought they did not  have ‘Messidependencia’ but their performance on Wednesday proved otherwise. Photograph: David Ramos/Getty Images

So that’s what the fuss was all about. When Lionel Messi walked off the pitch in Paris there was fear; when he walked back on (...)