Jose Mourinho's 04/05 Chelsea Introduction For many years in the Premier League, a certain formation was KING. In the very words of Mike Basset, "4-4-f@#$ing-2". That was until José Mário dos Santos Mourinho Félix came to the England during the 04/05 season. Before arriving, Mourinho had just won his first Champions League trophy as a manager with Porto. Mourinho played a 4-3-3 system that worked so well because most English teams were still fixated on playing 4-4-2, which Chelsea’s sy