Cameron Smith
Viktor Gyokeres, Sporting CP, 2024/25
© IMAGO
The 2025 summer transfer window has been extremely so far and Sunday 13 July was no different, with several major developments in the market.
Below, FootballTransfers runs through the biggest stories from the day, including the latest on Viktor Gyokeres and Marc Casado.
Gyokeres deal agreed
Viktor Gyokeres
© IMAGO - Viktor Gyokeres
Arsenal have reached an agreement in principle to sign Sporting CP striker Viktor Gyokeres.
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Casado enquiry
Marc Casado
© IMAGO - Marc Casado
Chelsea have reportedly lodged an enquiry about Barcelona midfielder Marc Casado, despite the plethora of midfielders already at Enzo Maresca's disposal.
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Nwaneri offer
Ethan Nwaneri
© IMAGO - Ethan Nwaneri
Arsenal wonderkid Ethan Nwaneri is set to receive a contract offer amid significant interest from Chelsea.
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Mbeumo confidence
Bryan Mbeumo
© IMAGO - Bryan Mbeumo
Manchester United are confident they will reach an agreement to sign Bryan Mbeumo soon, according to Fabrizio Romano.
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Mosquera deal close
Cristhian Mosquera
© IMAGO - Cristhian Mosquera
Arsenal will reportedly complete the signing of Valencia defender Cristhian Mosquera this week.
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Osimhen talks
Victor Osimhen
© IMAGO - Victor Osimhen
Galatasaray have scheduled new talks with Napoli over a summer deal for Victor Osimhen.
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Osimhen battle
Victor Osimhen
© IMAGO - Victor Osimhen
However, Fabrizio Romano has claimed that more teams are expected to enter the race for Osimhen's signature before Napoli accept Galatasaray's offer.
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Sesko update
Benjamin Sesko
© IMAGO - Benjamin Sesko
RB Leipzig has effectively blocked the sale of Benjamin Sesko with their current asking price.
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€100m Chelsea offer
Enzo Maresca
© IMAGO - Enzo Maresca
Chelsea are reportedly set to receive a €100m double offer from Bayern Munich.
READ MORE." href="https://www.footballtransfers.com/en/transfer-news/uk-premier-league/2025/07/chelsea-transfer-news-christopher-nkunku-malo-gusto-bayern-munich-100m-double-bid" target="_blank">READ MORE.
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