Ballack said: "I think it was a great moment for me. It was exciting and emotional, a new feeling, after a long time out.
"To get this support from the fans, I have to say thank you to everyone who supported me, the doctors, the physios, the players. That's a big motivation for me to help Chelsea in the next weeks and months.
"It's always good if you are involved in a goal, especially in the first game back, it was a good moment for me to come in.
"Blackburn are a good side, they play good football, it's not easy against them, very difficult."