Ousmane Diomande has officially completed his permanent transfer from Sporting CP to Nottingham Forest, bringing an end to his three-and-a-half-season tenure in Portuguese football. According to an official regulatory filing issued by Sporting SAD to the Comissão do Mercado de Valores Mobiliários (CMVM), the deal represents a fixed financial return of €40 million for the Lisbon club, as reported by Notícia ao Minuto.
The 22-year-old central defender signed a contract with the Premier League side running until June 2030, with an option included to extend the agreement for an additional year through June 2031. The transfer concludes weeks of negotiations that encountered hurdles before both clubs reached a compromise, fulfilling the Ivory Coast international’s ambition of moving to the English top flight.
Sporting’s formal notification to the CMVM detailed the complete financial breakdown of the transaction. The club confirmed that the €40 million transfer fee will be accompanied by €1.5 million in intermediary service charges, which will be paid entirely by the Portuguese side. Meanwhile, the solidarity mechanism payout amounting to two million euros will be split equally between Sporting and Nottingham Forest, according to the official market disclosure.
Speaking to Nottingham Forest club media following his unveiling, Diomande expressed his enthusiasm for the new challenge. “Estou muito feliz por estar aqui. É um clube histórico, e isso motiva-me a integrar um clube como este,” he told club channels. “Acredito que podemos alcançar grandes conquistas nesta época e estou ansioso por conhecer os jogadores e o treinador principal. Vou dar o meu melhor e tudo o que puder para ajudar a equipa. Mal posso esperar para conhecer os adeptos no City Ground e, juntos, podemos ter uma boa época.”
Integration Into Nuno Espírito Santo’s Squad
Nottingham Forest’s leadership wasted no time outlining their expectations for the young defender. George Syrianos, speaking on behalf of the club’s football operations, highlighted Diomande’s pedigree in high-level European competition. “Temos sido bastante claros no perfil de jogador que queremos acrescentar ao plantel, por isso, estamos entusiasmados por dar as boas-vindas ao Ousmane ao clube,” Syrianos stated, praising the center-back’s maturity and experience in the UEFA Champions League.
Diomande arrived in England over the weekend after receiving authorization to travel for medical examinations and contract finalization. The move marks a significant elevation in profile for a player who arrived in Portugal in relative obscurity.
Reflecting on the transfer, the player’s departure follows a bittersweet final week at Estádio José Alvalade. Although named to the matchday squad by manager Rui Borges for Sporting’s opening I Liga fixture of the 2026/27 campaign against Estrela da Amadora at the Estádio José Gomes—which ended in a 1-1 draw—Diomande remained an unused substitute on the bench before making his permanent exit.
From Mafra Breakthrough to Lisbon Glory
Diomande’s trajectory over the past three and a half years highlights a rapid rise through European football. He initially arrived at Sporting in January 2023 from Danish club FC Midtjylland for a reported fee of €7.5 million—plus five million euros in performance-related bonuses—following an impressive loan spell at second-tier club Mafra when he was just 19 years old.
Despite initial questions regarding his youth and limited top-flight exposure at the time of his signing, those doubts evaporated quickly under manager Rúben Amorim. Across 132 official appearances in all competitions for the Lisbon club, the Ivorian defender contributed seven goals and two assists, anchoring a backline that secured two national championships and a Taça de Portugal. His individual performances earned him selection to the Liga Team of the Year on two separate occasions.
Next Steps at the City Ground
With his registration completed ahead of the weekend fixtures, Diomande prepares to integrate into training under the Nottingham Forest coaching staff.
Readers and supporters looking for further official updates can consult the Notícia ao Minuto sports portal or check official filings released directly by Comissão do Mercado de Valores Mobiliários. Share your thoughts on this €40 million transfer in the comments below.
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