A well-placed source has described what Mauricio Pochettino’s training methods were like at Chelsea before his exit from Stamford Bridge. It’s now been confirmed that Mauricio Pochettino, 52, has officially left Chelsea by mutual consent. The Argentine head coach has walked away from the Blues after only one season, where he did manage to secure a sixth-placed finish in the Premier League on the final day. READ MORE: Mauricio Pochettino’s Chelsea timeline: A year of highs and lows, which ultimately ended in bitter injusticeChelsea training under Mauricio PochettinoThe Guardian has claimed that…