Real Betis believe they can complete a significant sale this summer involving one of their defensive cornerstones, with Natan, 25, having emerged as a target for several clubs across Europe.
The Brazilian centre-back has already established himself as an option for Barcelona, according to AS, with Betis setting a price in excess of €30m to part with him.
The Heliopolis club have made clear their conditions for any sale involving the Brazilian, conscious of the importance of generating income through outgoing transfers this summer.
Natan's situation reflects Betis's broader approach to the market, balancing the need to retain key defensive personnel against the financial reality of needing to sell in order to fund further investment elsewhere in the squad. With Barcelona among the clubs already showing concrete interest, the asking price set by Betis suggests the club is determined to maximise its return on a player who has become an increasingly valuable defensive asset.
The Brazilian's emergence as a transfer target follows a season in which he established himself as a regular and reliable presence in Betis's backline, contributing to a campaign that saw the club compete on multiple fronts.
His combination of physical presence and composure in possession has made him an appealing option for clubs looking to strengthen at centre-back without committing to one of the market's higher-priced options.
Whether Barcelona or any other interested party are prepared to meet the €30m valuation set by Betis will likely determine the outcome of a situation that the Andalusian club appear keen to resolve relatively early in the transfer window, rather than allowing speculation to drag on into the closing weeks of the summer.