Chelsea fans may be starting to really question Mauricio Pochettino right now. Despite being the better team on the day, Mauricio Pochettino was unable to guide Chelsea to victory over Manchester City in the FA Cup semi-finals. The Blues did not see as much of the ball as City did — no one ever does — but they had better opportunities than their Premier League rivals. According to The xG Philosophy, Chelsea’s xG was 1.29, while City’s was only 0.86. Their elimination from the FA Cup now means they will finish the season trophyless and will have to finish inside the top six to qualify for the E…