Who is the most expensive departure in Chelsea history?

Willian speaks about conversation with David Luiz before signing for Arsenal

Pundit picks out key battle between in-form Chelsea player and Arsenal star in cup final

David Luiz says he questioned his decision to leave Chelsea for Arsenal

Report: Chelsea sanction defender exit to Premier League club, fee now agreed

If defender reports are true, Lampard has first big Chelsea decision to make

Some Chelsea fans react to David Luiz contract extension

Report: Chelsea £120k-a-week player in ongoing contract talks

Didier Drogba singles out Chelsea defender for impressive form

Will Chelsea fans see £34m ace used in new role under Sarri?