"It is a decent start," Clarke told BBC Sport. "We have worked really hard in pre-season. They did what we asked them to do, we were a threat going forward against one of the top teams, and Liverpool will be a top team this season.
"I take satisfaction from the result. It was good start for me but more than that it was a good start for the players. It is a positive boost for us to get a result like that against Liverpool, but we know it is a long season.
"We will enjoy the three points but come in tomorrow and start again preparing for our next game."
Next up for West Brom is a trip to Tottenham Hotspur a week today.