By Ewan Murray Chelsea made an underwhelming start to their Premier League campaign on Sunday afternoon but they have the chance to earn a first win under Enzo Maresca this Thursday. The Blues lost 2-0 to Manchester City following a tame display against the champions and questions continue to be asked of the club’s scattergun approach in the transfer market. However, a convincing win against Swiss side Servette midweek may go a small way to appeasing the Stamford Bridge faithful. Chelsea face the Swiss Super League side in the Conference League in the first leg of their play-off tie. The winne…