Keita quit Barca as a teenager to move to Italy and sign with Lazio.
He explained to France Football: "Normally, a little one signs a contract at Barça right away. I told them no.
"I told them I was going to continue on the road without them. Maybe we will see each other later. I needed something else.
“At the time, I was angry with them. The club had given me everything, I was their little one, I had scored more than 300 goals for youth teams, but I did not like the behavior of certain people..."