Derby boss Frank Lampard admits the Rams' Carabao Cup tie at his old club Chelsea will be a "very special" occasion for him.
Lampard played for the Blues from 2001 to 2014, scoring a club-record 211 goals and winning 11 major trophies, including the Champions League in 2012 and three Premier League titles.
The 40-year-old said at his press conference ahead of Wednesday's fourth-round clash at Stamford Bridge, which he visits for the first time as a manager: "It's a special draw for me to be able to go back and see people behind the scenes and 40,000-plus friends in the stadium.
"I'm more emotional as I have gotten older, I think. These things catch you. Because you realise, in my life, how important Chelsea was and what I owe for that in terms of thanks.
"I'll feel proud and honoured to be taking my team and going to a place that I called home for 13 years and still feels like home.
"This (Derby) is my working home now and I have a great affiliation with this club already. I'm working hard to try to do something good here, and I love it here.
"But I can't forget 13 years of my career. It was a very special time for me, I was lucky to be part of such a strong era at the club. So it will be a very special night for me to be back there and feel that atmosphere once again."