Pep Guardiola was asked about the talks concerning Raheem Sterling's possible move to another club this summer.
'He knows how important he is for the club, but anything can happen, because of circumstances and now you see how agents control transfer market' Guardiola answered.
Sterling, 23, is having his best season in the club with 20 goals scored for all competitions. Real Madrid's eyeing him as Guardiola may want a deal for Isco from Los Blancos.