article_snippet.sent: David Silva (centre) leaves the pitch looking despondent after Manchester City's 2-1 loss to Crystal Palace on Monday .
article_snippet.sent: Sergio Aguero (centre) is blocked out by Damien Delaney (left) and James McArthur of Crystal Palace .
article_snippet.sent: Vincent Kompany is an injury doubt for City clash against Manchester United on Sunday . '
article_snippet.sent: I never think in a negative way,' said the 61-year-old, who will await the outcome of a fitness test on captain Vincent Kompany hamstring injury. '