Chelsea legend Petr Cech has now named a surprising former Blues manager as someone who ran bad training sessions during their time at the club. He told the Obi One podcast that when Carlo Ancelotti was in charge of the club, he was not fan of the training sessions he ran. Cech has obviously got plenty of experience under some of the best managers the game has ever produced during his time at Stamford Bridge. He had arguably his most successful spell at the club under Jose Mourinho, where he was part of a defence which has set the Premier League record for least goals conceded in a season. Whe…