The champions needed to come from behind at Stamford Bridge to avoid a third consecutive league defeat, with the victory instead lifting them into the top four.
Pedro admitted that it has been a more challenging campaign this time around after they stormed to the title with a record-breaking 30 wins last term, but insists that the mood is good inside the camp.
"The team is feeling good, we are confident and we want to continue in this way, taking it game by game, but we know it is very difficult," he told the club's official website.
"Now we will relax for one day and then continue to work hard and try to win games. Last season was very good for us and this season is different, but we will try to continue in this way, winning our games."
Chelsea, who remain nine points adrift of leaders Manchester City, take on struggling Everton in the EFL Cup fourth round on Wednesday.