Chelsea boss, Mauricio Pochettino, has blamed his side’s profligacy for their 1-0 defeat to Manchester City in the FA Cup semi-final. The Blues dominated most of the game, but failed to convert the chances that fell their way. Nicolas Jackson was the main culprit, as he fluffed his lines over and over. The defeat means Chelsea will finish the campaign trophyless. Pochettino, speaking on BBC One, said: “It is so easy to explain. We conceded in a moment you should not concede. We were not capable of being clinical in front of goal, we had many chances but we did not score. “I think in the game w…