FC Porto Nuno Valente and Derlei, Porto won the 2002–03 Primeira Liga with relative comfort, finishing 11 points ahead of second-placed Benfica. The club also won the UEFA Cup, defeating Celtic in a dramatic extra-time final, to win its second major European title. Mourinho then secured an unprecedented treble for Porto by winning the Taça de Portugal final against his previous club. The 2003–04 season began with another 1–0 win over União de Leiria, which gave the club its 13th Supertaça. Weeks later, Porto failed to repeat this result in the 2003 UEFA Super Cup, losing 1–0 to Milan. The departure of
1977–78 S.L. Benfica season top of the table by Porto, which had a game in hand. Three days later, Benfica lost 4–1 in Anfield Road and were eliminated of the European Cup. Toni said the result expressed the difference between both teams. Back at domestic competition, Benfica regained their footing and won the following two matches. However, on 8 April, they drew again, at home with Portimonense and fell to second, a point from Porto. They responded with two more wins, before conceding another draw, the eight all season, against Braga. This opened Porto's lead to two points with five matches to go. As