Jaime Sierra Mateos (born 18 March 1998) is a Spanish footballer who plays for UD Logrones as a central midfielder.
Club Career
Born in Madrid, Sierra joined Real Madrid's youth setup in 2004, from EF Carabanchel. In July 2014, he moved to Valencia CF, being assigned to the Juvenil squad.
In August 2017, free agent Sierra moved to CD Leganes, being assigned to the reserves in Tercera Division. He made his senior debut late in the month, coming on as a second-half substitute in a 3–2 away win against AD Alcorcon B.
Sierra made his first team – and La Liga – debut on 28 January 2018, replacing Jose Naranjo in a 3–2 home win against RCD Espanyol.
Sparta Rotterdam 
Ajax 
Roma 
Parma 
Dundee Utd 
Celtic 
Valencia 
Alaves 
PSV 
Feyenoord 
Bordeaux 
Rennes 
ST Etienne 
Marseille 
Monaco 
Everton 
Chelsea 
Leicester 
Wolverhampton 
Manchester Utd 
Bournemouth 
Real Madrid 
Sevilla 
Cremonese 
Sampdoria 
Tottenham 
Liverpool 
VFL Wolfsburg 
Borussia Dortmund 
Las Palmas 
Espanyol 
Monza 
Juventus 
Lens 
Paris Saint Germain 
Fiorentina 
Udinese 
Benfica 
Estoril 
Inter 
Como 
Manchester City 
Fulham 
Nottingham Forest 
Motherwell 
ST Mirren 
Rangers 
Carrarese 
Arsenal 
Ipswich