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
1996–97 S.L. Benfica season while the results in Europe were looking accordingly. In late October, Benfica visited Sporting for the Derby de Lisboa, losing one-nil and dropping down one position. A week later, with a further two more points dropped, Porto opened a three-point gap at the front. By the time the Clássico arrived, the distance was already five points. Losing 1–2 to Porto, increased it to eight. Affected by the defeat, Benfica lost for a second time on a row, with the priority changing from battling Porto in the title race, to defending the second place from Sporting. Autuori was sacked immediately, and