#1 Michael Ballack
Arguably the greatest ever German to grace the top-flight, Michael Ballack joined Chelsea in 2006 on a free transfer, after establishing himself as one of the world’s best midfielders at Kaiserslautern, Bayer Leverkusen and Bayern Munich. His stints at the German clubs saw him win a host of personal and club honours, including UEFA’s Midfielder of the Year in 2002 as well as four Bundesliga titles and three DFB-Pokals.
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While he became infamous for losing finals in the clubs he’d played in, his 4-year stay at Chelsea, however, can’t be classified as anything other than a success.
Choosing the Blues over the likes of Manchester United and Real Madrid, he formed a key part of the side that dominated the FA Cup, winning it three times in four years. Cast from the same mould as Steven Gerrard, Ballack had a quality about him that inspired his teammates and pushed them to attain new heights.
He would eventually win the league in his last season with the club in 2009/10 after making over a 100 appearances and scoring 17 goals and would return to Leverkusen to cap off what had been a remarkable career.