Atletico Madrid are the club showing the keenest interest in Emerson Royal.
The Tottenham full-back is available for a transfer this summer, a year after arriving from Barcelona.
Royal has failed to impress Spurs boss Antonio Conte, who is hoping to sign Djed Spence and possibly another right wing-back this summer.
According to the Daily Mail, Atleti are offering Emerson a route back to La Liga, but a deal is not certain.
Atleti want an initial loan with an option to buy, while Spurs would want a direct sale or an obligation to buy in any loan deal.
Royal lost his place to Matt Doherty near the end of last season, as Spurs secured a top four finish in the Premier League.
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