Passage: On 4 June 2012, Chelsea officially confirmed on its website that the club had agreed terms with Lille for the transfer of Hazard. The midfielder agreed personal terms with the club and passed a medical examination. The transfer fee was reported to be priced at £32 million.Upon signing for Chelsea, Hazard told the club's official website "I'm delighted to finally arrive here. It's a wonderful club and I can't wait to get started". Hazard was given the number 17, which was previously worn by José Bosingwa. On 18 July, Hazard made his Chelsea debut in the club's first pre-season friendly against the Seattle Sounders and played the majority of the match, opening his Chelsea scoring account.

Question: What did the two clubs transfer?
Hazard