This is a list of Portuguese football transfers for the summer of 2015. The summer transfer window will open 1 July and close at midnight on 1 September. Players may be bought before the transfer windows opens, but may only join their new club on 1 July. Only moves involving Primeira Liga clubs are listed. Additionally, players without a club may join a club at any time.
The 2014–15 season was Sport Lisboa e Benfica's 111th season in existence and the club's 81st consecutive season in the top flight of Portuguese football.
Pedro Nuno Fernandes Ferreira, known as Pedro Nuno, is a Portuguese professional footballer who plays as an attacking midfielder for Azerbaijan Premier League club Sabail.
The 2015–16 season was Sport Lisboa e Benfica's 112th season in existence and the club's 82nd consecutive season in the top flight of Portuguese football. It started on 9 August 2015 and concluded on 20 May 2016.
The 2016–17 FC Porto season was the club's 107th competitive season and the 83rd consecutive season in the top flight of Portuguese football. It began on 12 August 2016 and concluded on 21 May 2017. For the third consecutive season, Porto failed to win any of the official competitions in which it was involved. The last time the team had at least three successive seasons without winning a trophy was before 1976–77.
The 2017–18 season is Chaves' fifteenth season in the top flight of Portuguese football.
João Vasco Lima Santos de Miranda, known as João Vasco, is a Portuguese professional footballer who plays as a forward for S.C. Covilhã.
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