The Blaugrana thrashed Rayo Vallecano 4-0 on Saturday, but lost the battle for possession for the first time in 317 competitive games.
And the Argentine coach is not satisfied with his side's display on the pitch, calling from improvement in the coming encounters.
We have perfection in points, but we are not close to perfection in the game and it is clear that we have many things to improve, the 50-year-old told Sport.
What we saw in the second half against Ajax and Rayo would build up upon and I think we're on the right track.
The players feel increasingly more comfortable and will continue to improve.
Youngster Neymar assisted Pedro's second of three goals on Saturday, and the coach is pleased with his performances since arriving at the club this summer.
