"We had an idea he was one of our targets, but we thought it was difficult because of all the comments about Arsenal," said Benitez.
"In terms of the decision to do the deal, it was quite quick. It was an easy decision for me. He's a great player.
"I told the chairman that I liked the player, so the technical director and the chairman, they were quick and after we signed the player [I was] really pleased because he is a top class player."