São Paulo near new deal for youth centre-back, huge deterrent clause | OneFootball

São Paulo are in talks with young academy center-back Isac over a contract renewal for the Cotia product.

The club intends to sign the defender to a new deal running until 2030, with an astronomical release clause to fend off the strong European interest the São Paulo player has been attracting in recent months. It would be set at 100 million euros (R$ 604 million at the current exchange rate) for foreign clubs. In the domestic market, the clause would be R$ 80 million.

Internally, São Paulo expect Isac to sign the new contract in the coming days. He is seen as a “modern” center-back, with good ball-playing ability, strong game reading and consistently solid marking, while still performing his main role very well.

Isac drew attention by forming a strong center-back partnership with Osório in the 2026 Copinha, during São Paulo’s runner-up campaign. That was when he began catching the eye of European clubs, who always keep a close watch on Brazil’s traditional youth tournament.

He also showed his attacking threat. The big center-back scored three goals in the Copinha, one of them in the 2-1 defeat to Cruzeiro in the final. São Paulo are working on the idea of integrating Isac into the senior squad at Barra Funda, probably after his contract renewal.

Isac Silvestre da Silva is 19 years old, turns 20 in April, and was born in the city of Brejo Santo, in Ceará. He came through the youth ranks at Sport and Bragantino before joining Tricolor in 2025, when he quickly began to stand out for the under-20 side.

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