Manchester United 'scout Spain starlet' as Jose Mourinho continues hunt for a new left-back

Manchester United are monitoring Espanyol defender
Aaron Martin.
United scouts watched the 20-year-old - a Spain
under-21 international - during his club’s clash with
Levante on Friday night.
Martin, a left-back, is contracted with the Catalan
club until 2022, having signed a new deal in January.
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But according to ESPN, the Spanish side are worried
that they won’t be able to hang onto the player past
next summer.
Martin has played every minute of Espanyol’s eight La
Liga fixtures thus far this season.
His buyout clause stands at €40million, with United’s
rivals City also reportedly watching the youngster with
interest.
Jose Mourinho has used a revolving cast of players at
left-back since his arrival at Old Trafford.
Daley Blind, Marcos Rojo, Luke Shaw and Ashley
Young have all played in the position at various points,
while it was Matteo Darmian who got the nod against
Liverpool at the weekend.