Some players who left Chelsea last summer will be absolutely delighted that they did. Chelsea are really struggling right now, while some who departed are thriving at their new clubs and helping them to do well. The Blues are ninth in the Premier League at present and may not even qualify for the Europa League. Arsenal and AC Milan, where the likes of Kai Havertz and Christian Pulisic have moved to, are having good seasons, on the other hand. Arsenal are actually top of the Premier League table and have a great chance of reaching the Champions League semi-finals after drawing 2-2 with Bayern M…