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Nacional welcome reigning champions Porto to the Estádio da Madeira in Portuguese Primeira Liga action on Sunday.
The hosts are the bottom-placed side in the division and have now lost eight games in a row.
The visitors are on a five-game winning streak at the moment in the league but were eliminated from the Champions League by Chelsea on Wednesday.
Also See: The 10 highest-paid goalkeepers in the world
Nacional vs Porto Head-to-Head
The two sides have met 40 times across all competitions since 1990. As one would expect, the Dragões have been the dominant side in this fixture. They have 29 wins to their name and are currently on an eight-game winning streak against the hosts.
Alvinegros have managed to get the better of the Porto giants just seven times while four of their encounters have ended in draws.
They last met in a Taca de Portugal round of 16 fixture in January. Porto recorded a 4-2 win after scoring twice in extra time.
Nacional form guide in Portuguese Primeira Liga: L-L-L-L-L
Porto form guide across all competitions: W-W-L-W-W
Nacional vs Porto Team News
Nacional
The hosts will be without the services of Daniel Guimarães. The goalkeeper was recently diagnosed with cancer and has not featured for the club since.
Witi has been struggling with a thigh issue and despite being back in training, he faces a late fitness test prior to the game.
Vincent Koziello and Francisco Ramos also returned to conditioned training, but they are doubts for this crucial game.
Injuries: None
Doubtful: Witi, Vincent Koziello, Francisco Ramos
Unavailable: Daniel Guimarães
Porto
The visitors have just one injury concern at the moment. Mouhamed Mbaye continues to recover from an ACL injury. Ivan Marcano was deemed fit to play earlier this month but has not played a game since. He is a doubt for this game.
Diogo Costa tested positive for COVID-19 last week and remains in isolation.
Injuries: Mouhamed Mbaye
Doubtful: Ivan Marcano
Unavailable: Diogo Costa
Nacional vs Porto Predicted XI
Nacional Predicted XI (4-1-4-1): Riccardo Piscitelli; Kalindi, Pedro Henrique, Lucas Kal, Joao Vigario; Nuno Borges; Chico Ramos, Vincent Koziello, Joao Camacho, Brayan Riascos; Kenji Gorre
Porto Predicted XI (4-4-2): Agustin Marchesin; Wilson Manafa, Chancel Mbemba, Pepe, Zaidu Sanusi; Jesus Corona, Marko Grujic, Mateus Uribe, Otavio; Moussa Marega, Toni Martinez
Nacional vs Porto Prediction
The hosts are the worst performing side in the division and have conceded 44 goals in 26 games. Porto are the highest-scoring side in the league with 55 goals.
It should be a routine win for the visitors, who have won five games in a row and have kept three clean sheets in that period.
Prediction: Nacional 0-2 Porto
