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
1983–84 S.L. Benfica season and Michael Manniche. Benfica started the season by winning the Portuguese Cup Final of the past season and the Iberian Cup. In the league, Benfica started strong until their drop points in October. A home win against Porto propelled them into first place, which they never lost. Twelve consecutive wins followed until they were stopped in February. In March, Benfica was knocked out of Europe and lost for the first time in the league. They reacted with five wins and a draw in the next month, before losing for a second time in late April. In May, Benfica confirmed their