It depends on what you mean by "sign". Can they complete the transfer and become an Albion player outside the transfer window? No. Can Brighton agree the transfer agreement and player contract outside the transfer window? Yes. We did it with Buonanotte in November.
The key piece in the...
We were indeed. Once whilst he was at Almeria, once at Benfica
https://talksport.com/football/746932/brighton-darwin-nunez-sheffield-united-almeria/
https://www.dailymail.co.uk/sport/football/article-9908745/Brighton-talks-complete-club-record-25m-deal-Benfica-striker-Darwin-Nunez.html
Both...