By Ewan Murray Chelsea host Swiss side Servette on Thursday evening in the first leg of their Conference League play-off clash. The Blues will qualify for the expanded league phase if they can beat Servette across their two-legged play-off, playing in the the continent’s third most prestigious cup competition for the first time. The Enzo Maresca era officially kicked off on Sunday afternoon at Stamford Bridge when Chelsea welcomed Premier League champions Manchester City to west London in their opening domestic fixture. A 2-0 defeat saw the Blues largely outclassed on home soil, with former mi…