Chelsea winger Callum Hudson-Odoi says they were always confident of fighting back at West Brom.
Three-nil down at halftime, Chelsea fought back to draw 3-3.
Goalscorer Hudson-Odoi said, "At 3-0 we wanted to try to get the points and had the feeling that we would get the goals.
"We felt it was on and put a lot of pressure on straight away in the second half.
"It was good, we worked hard, got the ball wide early, kept playing and got the goals.
"The new boys have gelled really well. All worked hard. They've improved us and have shown they are quality players with the right mentality to win games."