A hoard of Porto fans expressed their anger at the players by blocking the team bus on the road over the weekend.
The Portuguese side headed back to Porto after suffering a 1-0 defeat to Academica on Saturday evening, sparking a disgruntled response from the fans.
It is understood that a group of supporters intercepted the team bus and began thumping on the windows while chanting "play some football", according to the Daily Mail.
The result was Porto's first league defeat in 53 matches.