Marc Guiu (Chelsea)
July 2025
Sunderland have reached an agreement with Chelsea to sign 19-year-old striker Marc Guiu on a season-long loan. The former Barcelona prospect is set for a medical after talks progressed this morning.
Guiu will become Sunderland’s ninth signing of the summer, with the club keen to add youth depth in attack. The loan is expected to be finalised in the coming days following his arrival on Wearside.
Granit Xhaka (Bayer Leverkusen > Sunderland)
July 2025
Sunderland have agreed a £17m deal with Bayer Leverkusen for Granit Xhaka, including £4m in add-ons. The 32-year-old will sign a three-year deal after agreeing personal terms with the club.
Sunderland upped their bid by £7m to finalize the transfer. Xhaka has been cleared to fly to the UK for his medical. The former Arsenal star brings experience to strengthen the midfield.
Granit Xhaka (Bayer Leverkusen)
July 2025
Sunderland are exploring a bold move to sign Bayer Leverkusen midfielder Granit Xhaka. The 32-year-old, who has three years left on his contract, could be allowed to leave this transfer window.
Sunderland view Xhaka as a leader to anchor their Premier League return. They face strong competition from Saudi clubs, but are optimistic due to his experience and status as a recent Bundesliga winner.
Simon Adingra (Brighton > Sunderland)
July 2025
Simon Adingra has completed his transfer to Sunderland from Brighton for £18m plus £2.5m in add-ons. The 23-year-old Ivorian winger has signed a five-year contract at the Stadium of Light.
Sunderland revived interest after a failed January bid and finalised the deal swiftly. Adingra becomes their sixth signing this summer, pushing total transfer spending past £100m as they continue an ambitious rebuild.
Simon Adingra (Brighton > Sunderland)
July 2025
Sunderland have agreed a deal worth £18 million plus £2.5 million in add-ons for Brighton winger Simon Adingra. The 23-year-old is undergoing a medical and has already agreed personal terms with the club.
Sunderland revived talks after a failed January attempt involving a swap deal. Adingra flew in by private jet to finalise the move, becoming their fifth signing of the summer and pushing spending beyond £100 million.
Reinildo Mandava (Atletico Madrid > Sunderland)
July 2025
Sunderland have signed left-back Reinildo Mandava on a two-year deal from Atletico Madrid. The 30-year-old joins after three seasons in Spain, where he made nearly 100 appearances in domestic and European competitions.
Reinildo featured in 32 matches last season for Atletico, including in LaLiga, Champions League, and Club World Cup. He brings high-level experience and defensive solidity to bolster Sunderland’s left flank for the new campaign.
Adil Aouchiche (Sunderland > Aberdeen)
July 2025
Sunderland midfielder Adil Aouchiche has joined Aberdeen on loan for the 2025/26 season, with a purchase option included.
The 22-year-old, who made 38 appearances for Sunderland, seeks more regular minutes after a short stint at Portsmouth last season.
Habib Diarra (RC Strasbourg > Sunderland)
July 2025
Sunderland have signed midfielder Habib Diarra from RC Strasbourg for a record £30m fee, including add-ons. The 21-year-old replaces Jobe Bellingham and has signed a five-year deal at the Championship club.
Diarra captained Strasbourg to a European finish and was courted by Leeds. Sunderland’s intent was clear—investing Bellingham’s full fee to secure a top-tier young talent under new boss Regis Le Bris.
Habib Diarra (Strasbourg > Sunderland)
June 2025
Sunderland have reached a club-record agreement to sign midfielder Habib Diarra from Strasbourg for £30m total. The 20-year-old Senegalese star is seen as a direct replacement for Jobe Bellingham, who recently departed the club.
The deal includes £27m upfront and £3m in add-ons. Diarra chose Sunderland over Leeds and others. He is expected to undergo a medical and sign shortly, funded entirely by the Bellingham transfer proceeds.
Jobe Bellingham (Sunderland)
June 2025 (pending completion)
Borussia Dortmund will sign Sunderland’s Jobe Bellingham for €33m plus €5m in add-ons, setting a club record fee for Sunderland and potentially for Dortmund, depending on add-ons.
After an initial €20m offer was rejected, Dortmund returned with an improved bid. The deal includes a 15% sell-on clause, making Bellingham one of the most expensive young talents in Europe.