"United had been talking to us for two years about Pogba," said Raiola.
"They had taken my player Sergio Romero and we had kept the lines of communication open.
"We knew we had interest, we spoke to Juventus, they really wanted to try for the Champions League, they gave him the No 10 shirt and we said we would give it one more year.
"Then I worked on an exit plan. We had two offers from the Premier League and two outside.
"Paul said United was in his heart, Woodward wanted him at United a year ago and Mourinho had wanted him at Chelsea too, so when the two combined we knew it was right.