The result sets up Barca for their trip to Real Madrid next weekend.
"There is much [of the season] to go and we have to take it slowly," Fabregas told reporters after the game. "First, we must think of Tuesday.
"The league is not only about important venues like the Bernabeu. Guardiola always does what is best for the team.
"The important thing is that we score against these teams quickly because they know they are very well organised, but it is also important the team played well."