Claim: Romelu Lukaku joined a team during 2011.
Evidence: In the 2011 summer transfer window , Lukaku joined Premier League club Chelsea.
Chelsea Football Club -LRB- -LSB- ˈtʃɛlsiː -RSB- -RRB- is an English professional football club based in Fulham , London , that competes in the Premier League , of which they are reigning champions.