Benfica have a tough task on their hands with a trip to Turkey on the cards, while Sporting CP cross the border to take on their opponent in Spain.
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Who could Porto, Benfica and Sporting play in the next round of the Champions League and Europa League? Find out here
Porto are into the next round of the Champions League, while Benfica and Sporting will be participating in the Europa League after Christmas - but who could they be facing?
Next Sporting manager chosen - and has to rescind his contract with his current club first
Varandas also revealed that they were interested in signing Leonardo Jardim, but a move was never likely to happen.
Who is in the running to be Sporting's next manager?
Miguel Cardoso, Leonardo Jardim, Jorge Jesus once again? We look at some of the names currently being considered.
José Peseiro sacked as Sporting manager after shock defeat
Sitting fifth in the league table having already dropped 8 points from 8 games, his sacking may come as little surprise to many.
What can Arsenal expect from Sporting CP?
Sporting take on Arsenal as they look to continue their excellent start to their Europa League campaign.
Portimonense stun Sporting CP in six goal thriller
Sporting stay fifth in the table, with Portimonense moving out of the relegation zone.
Sporting pull off outrageous stoppage time comeback to defeat Vorskla in Ukraine
The incredible win sees Sporting go six points clear of their Ukrainian counterparts.
Braga earn huge win over Sporting to go joint top of the table
Braga battled to a narrow 1-0 win which sees them jump to second in the table, only behind Benfica on goal difference.
Sporting earn crucial win over Qarabag
Sporting are off and running in the Europa League, easing to a 2-0 home victory against their Azerbaijani opponents.
Election REACTION: Frederico Varandas named the 43rd president of Sporting CP
The votes have been counted as a record number put pen to paper and elect their candidate to succeed Bruno de Carvalho.
Dramatic case of Rafael Leão: After reportedly looking to rescind his contract, Leão is set to stay after contract validation
He rescinded his contract with Sporting in June, signed a contract with Lille in August, and looked set to rescind his contract yet again in September. But after a turbulent few months for the young star, his future finally looks to be resolved.