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
FC Porto for the first time. The 2006–07 Primeira Liga title was only secured in a frantic final day, as Porto finished one point above Sporting and two above Benfica. In the following season, the club achieved the "Tri" for the second time in its history – with López clinching the top goalscorer award –, but lost the Taça and Supertaça finals to Sporting CP. As result of a legal investigation on match fixing in Portuguese football, Porto was punished with the loss of six points, which did not affect its final league classification. Having claimed a sixth league and cup double