Porto midfielder, Otavio has welcomed interest from Liverpool.
The Brazil international is weighing up his future at Porto this summer.
Correio da Manhã is reporting that Liverpool are the club that attracts Otavio the most.
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Fiorentina and Valencia are both, according to the report, eyeing the 26-year-old, who reportedly has a release fee of €60m, but he can be signed for €40m before the end of June.
Otavio was linked with Arsenal towards the end of last season.