Four days to go: if your club's signing isn't on the Liga's list, he can't play
Portugal's summer window shuts at 23:59 on Friday 4 September. Clubs in European competition run out of time two days earlier, and one narrow loan exception stretches to the 8th.
Announcing a player and being allowed to field him are two different things, and the gap between them is a list. Liga Portugal publishes and updates the official registrations for every Liga Portugal Betclic club, and that document, rather than the club’s announcement or the unveiling video, decides who is available at the weekend.
Names can be added to it until 23:59 on Friday 4 September.
Three deadlines, not one
The Portuguese summer window does not shut in a single moment, which is where most of the confusion comes from.
Friday the 4th at 23:59 is the general close for both the top flight and Liga Portugal 2. After that a club can still register a loan signing up to the 8th, but only in one narrow case: under-23s for the duration of the loan, and players developed at the club lending them out. That window exists for youth development, not for late business.
Then there is a date that comes before all of them. Clubs in European competition must submit their UEFA squad lists on 2 September. A signing who arrives on the 3rd or 4th can play in the league and sit out Europe until January, which in practice means the clubs with continental fixtures are working to a shorter deadline than everyone else.
What these last days usually look like
The closing stretch tends to be about departures rather than arrivals. It has been an expensive summer in Portuguese football, and the deals still open are usually the ones waiting on a domino: a club signs the player it wants only once it has sold the player it doesn’t. Porto had already done its big summer sale before August was out.
Once the list closes, the conversation changes. What is left is the fixture pile, and it thickens fast for anyone with Champions League nights ahead. The next window opens in January and shuts on 1 February.
By Vasco Almada
Image: Joehawkins / Wikimedia Commons (CC BY-SA 4.0)