The home side came into the match unbeaten under interim manager Guus Hiddink .
It 's now 11 without defeat for the Blues after Diego Costa struck a late equaliser to cancel out Jesse Lingard 's pinpoint opener at Stamford Bridge .
The home side came into the match unbeaten under interim manager Guus Hiddink and it 's now 11 without defeat for the Blues after Diego Costa struck a late equaliser to cancel out Jesse Lingard 's pinpoint opener at Stamford Bridge .