• 20 January 2005: Porto sign
Lucho González from
River Plate for a
€7 million transfer fee. González would join Porto in the summer following the end of the
2004–05 Argentine Primera División. • 15 April 2005: Porto sign Argentine forward
Lisandro López from
Racing for a €2.3 million transfer fee. • 24 May 2005:
Co Adriaanse is appointed as the new manager on a two-year contract, with immediate effect. • 8 July 2005: Porto agree a deal with Turkish defender
Fatih Sonkaya on a €1.5 million transfer deal from
Beşiktaş. • 21 August 2005: Porto win their first match of the
Primeira Liga season at home to
Estrela da Amadora. • 31 August 2005: The transfer deadline day sees
Marek Čech join from
Sparta Prague. • 13 September 2005: Porto lose their first
UEFA Champions League group stage match 3–2, to
Rangers at
Ibrox.
Pepe scored both of Porto's goals. • 28 September 2005: Porto suffer a second consecutive Champions League group stage lose to
UEFA Champions League debutants
Artmedia Bratislava. Porto led the game 2–0, but the Slovak side clawed back to score three goals to give Artmedia all three points. • 15 October 2005: Porto suffer their first league defeat of the season, losing 2–0 to
Benfica at the
Estádio do Dragão. • 19 October 2005: Porto defeat Italian side
Inter Milan in their third UEFA Champions League group stage match. A
Marco Materazzi own goal and a
Benni McCarthy strike saw Porto claim all three points. • 26 October 2005: Porto play host to
Liga de Honra's
Marco at the Estádio do Dragão, in a
Taça de Portugal fourth round tie. The
Dragões defeated the second division side 1–0.
Ivanildo scored the only goal of the game. • 1 November 2005: Porto suffer a third Champions League group stage loss after falling to Inter at the
San Siro. The
Nerazzurri defeated the dragons 2–1.
Hugo Almeida scored Porto's only goal of the game. • 19 November 2005: Porto demolish
Académica de Coimbra, 5–1 in a Primeira Liga fixture. • 23 November 2005: A late
Ross McCormack goal denies Porto a crucial win in their fifth Champions League group stage match against Rangers. • 2 December 2005: A second-half Jorginho strike grants Porto a draw against
Sporting CP after
Deivid had scored for the visitors. • 6 December 2005: A goalless draw at Artmedia Bratislava's
Stadium FC Petržalka 1898 leaves Porto
bottom of their group, and eliminates them from all European competitions. Rangers would progress to the
round of 16 whilst Artmedia would progress to the
UEFA Cup round of 32. • 11 January 2006: Porto defeat fellow Primeira Liga side
Naval 2–1 at the
Estádio Municipal José Bento Pessoa in a
fifth round cup tie.
Diego and
Lucho González scored Porto's goals. • 15 January 2006: Estrela da Amadora inflict on Porto, their second league loss of the season. The
Amadora outfit would defeat Porto at the
Estádio José Gomes, 2–1. Lucho González would score Porto's goal. • 18 January 2006: Porto announce the signings of Brazilian duo
Adriano and
Anderson. Adriano would sign from
Grêmio, whilst Anderson signed from Brazilian side
Cruzeiro. • 26 February 2006: Porto suffer their third league loss of the season after being defeated by
Benfica. The
Encarnados would defeat the
Portistas 1–0. French
midfielder Laurent Robert scored the only goal of the game. • 15 March 2006: Porto progress to the Taça de Portugal semi-finals after beating
Marítimo 2–1 at
Estádio dos Barreiros. Benni McCarthy scored a goal in extra-time to grant Porto passage into the next round. • 22 March 2006: Porto progress to the Taça de Portugal final after defeating Sporting CP on penalties. The 90 minutes ended goalless, forcing extra-time.
Liédson scored in the second half of extra-time. Benni McCarthy equalised five minutes from the end. After
João Moutinho missed his penalty, Lisandro López scored Porto's fifth penalty to grant them passage into the final. • 8 April 2006: A late
Jorginho strike gives Porto a crucial win over rivals Sporting CP. • 22 April 2006: Porto wins their 21st Primeira Liga title, clinching the title after defeating
Penafiel 1–0. • 14 May 2006: Porto win the Taça de Portugal for the 13th time after beating
Vitória de Setúbal 1–0 in the final.
Adriano scored the only goal of the game. ==Players==