You just asked two different questions though Cini - 1. What world class thing has he done ever. - Of which I'd argue he's done many things.
and 2. What world class thing does he do every time he plays? - Which is where the argument seems to be, whether his consistency sufferes because of the severe injuries and constant niggling injuries he's suffered, or whether he doesn't perform consistently because he's rubbish.
and 2. What world class thing does he do every time he plays? - Which is where the argument seems to be, whether his consistency sufferes because of the severe injuries and constant niggling injuries he's suffered, or whether he doesn't perform consistently because he's rubbish.