Mourinho heads south with Manchester United for a crunch clash at Stamford Bridge.
The Portuguese enjoyed huge success in west London alongside captain Terry.
And the centre-back says he’s got fond memories of working with Mourinho.
In his programme notes prior to today’s game, he wrote: “I will never forget what Jose has done for me personally and for this football club.
“I will never forget what Jose [Mourinho] has done for me personally and for this football club”
Chelsea captain John Terry on visiting Man United boss Jose Mourinho
“We welcome Jose, Rui, Silvy, Carlos and Mata back. I had some great times alongside them here.”
Terry is bidding for a return to the Chelsea starting XI this afternoon.
The veteran defender hasn’t played since injuring his ankle against Swansea last month.
But he’s back in the squad for today’s clash against United.