Manchester United are maintaining their interest in Benfica fullback Alejandro Grimaldo.
It was revealed last week that United had a bid for the Spanish youngster rejected by Benfica in the final days of the summer market.
Scouts from United, Arsenal and Inter Milan were in attendance on Monday night as Benfica defeated SC Braga.
Grimaldo, a former Barcelona junior, enjoyed a full 90 in front of United representatives.
Also featuring were Sweden defender Victor Lindelof, who has been linked with United and Inter, plus exciting wing talent Goncalo Guedes.