Chelsea players train at their home headquarters on Saturday . Jose Mourinho 's side face Arsenal at the Emirates on Sunday . Chelsea looking to extend their 10-point advantage over second - placed Chelsea . Mourinho has never lost to Arsenal manager mark Wenger . Cesc Fabregas chose Chelsea over Arsenal for Chelsea , replacing Mourinho .
Chelsea players train at their Cobham headquarters on Friday . Jose Mourinho 's side face Arsenal at the Emirates on Sunday . Chelsea looking to extend their 10-point lead over second-placed Arsenal . Mourinho has never lost to Arsenal manager Arsene Wenger . Cesc Fabregas chose Chelsea over Arsenal for trophies , says Mourinho .