Benfica are demanding big money for fullback Alejandro Grimaldo.
The former Barcelona B star is being tracked by Manchester United and Juventus this season.
Calciomeracto.com says Grimaldo has had a €40 million price tag placed on him by Portuguese club Benfica.
The 22 year old has played nine times this season and has impressed in the Champions League, including a pair of impressive appearances against United.
United see Grimaldo as a potential replacement for Luke Shaw.