Chelsea's Ivorian forward Didier Drogba reacts as he leaves the field after a 1-1 draw with the Blackburn Rovers in their English Premier League football match at Ewood Park in Blackburn, north-west England on March 21, 2010. Former Chelsea striker Didier Drogba said on June 20, 2012 that he had formally signed with Chinese Super League club Shanghai Shenhua.