Vitoria Guimaraes 1-0 FC Porto

Iker Casillas dropped the ball to Bakary Sare, who held him off to score

Iker Casillas was at fault for the only goal of the game as Vitoria Guimaraes beat Porto in Primeira Liga.

Spain's number one, 34, dropped a simple deflected shot straight to striker Bakary Sare, who turned the ball home after four minutes.

Porto, who are yet to replace sacked manager Julen Lopetegui, are five points off leaders Sporting Lisbon.

Casillas has kept nine clean sheets in 18 league games, conceding 11 goals, since his summer move from Real Madrid.

The incident was on the cover of many Portuguese newspapers, with Record going with the headline 'butter hands'