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
1974–75 S.L. Benfica season Ciudad de Sevilla and the Independence Cup in Brazil. Benfica started their league campaign with victories against Belenenses and Farense, reaching top of the table, ex aequo with Porto. On match-day 3, they dropped their first points, in a home draw with Olhanense. They reacted by winning their following two league matches, while also easily progressing in the Cup Winners' Cup. On 13 October, Benfica visited Estádio do Bessa to play Boavista and drew 0–0. That resulted in them being caught in first place by Vitória de Guimarães and Porto. A week later, Benfica lost at home with Porto by