More:
"We all wished him well when he left and I am really pleased he has done well.
"He was a terrific little player for us - a real trier, but it was really difficult for him.
"Coming from South America, I think he expected to play all the time. But Ruud van Nistelrooy arrived about the same time and given the way he progressed, and the shape of our team, it was hard for Diego."
More quotes from Fergie:
"Diego took some criticism from people but his actual goal ratio was not bad and he had a great period where he scored seven goals in eight games for us.
"Maybe that was where I should have persevered and given him more time in the team but I think the problem for him was not only the way we played but also the fact we had Ruud van Nistelrooy as our main striker and his performances were fantastic.
"I'd have been happy to keep him, but the boy wanted to play.
"I'm looking forward to meeting him again - but only if we have a good result over there!
"This will be the toughest game of our group.
"They saw off Everton in two games and if they can go to Goodison and win 2-1 that tells you the quality of their team."