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 1–0 and dropped to third place, two points shy of leaders Porto and Guimarães. They reacted positively to the loss and won their next four Primeira Divisão matches, retaking first place albeit shared with Porto. Both had 18 points. In Europe, Benfica qualified for the quarter-finals, after eliminating Carl Zeiss Jena in the second round. Off the field, Benfica lost Eusébio to injury, as he underwent his six operation to his left knee. On match-day 12, Benfica drew 0–0 with Oriental and dropped to second, a point from leaders Porto. In the final three matches of December, Benfica won the