Mascherano: Right time to leave Liverpool
Mascherano quit the Reds in the summer for Barca.
He said: "It is not easy to leave a team when you have been there almost four years.
"The Liverpool people and fans treated me very well. I cannot say anything against them and they will always be in my heart.
"But, though it was difficult, I knew my time there was over. Finished. I needed to go."