Sadio Mane grabs a hattrick as Liverpool demolished Porto 5-0 away in their Champions League round-of-16 tie on Wednesday.
Porto coach Nuno Espirito Santo leaves the club by mutual consent after one season in charge.
Iker Casillas set a new record when featuring for Porto in their Champions League last 16, second leg against Juventus on Tuesday as he made his 175th appearance in European competition.
Portuguese forward Gonçalo Guedes was on the verge of a reported 30 million euro ($32M) move from Benfica to Paris Saint Germain on Wednesday as the French side said he was undergoing a medical with them.
Borussia Dortmund set a new Champions League scoring record in a 2-2 draw against Real Madrid on Wednesday while FC Porto and Sevilla claimed the two remaining last-16 spots.
Former Real Madrid goalkeeper Iker Casillas has labelled Barcelona star Lionel Messi the opponent he has had the most difficulty facing.
Chelsea manager Jose Mourinho has said his side's difficult start to the season is the worst period in his career.
In the midst of a frustrating start to the season, Jose Mourinho returns to Portugal on Tuesday as Chelsea face his old side FC Porto in the Champions League.