Oscar de Marcos Arana (Basque: [os̺kar de maɾkos̺ aɾana]; Spanish: [ˈoskaɾ ðe ˈmaɾkos aˈɾana]; born 14 April 1989) is a Spanish professional footballer who plays for Athletic Bilbao usually as a midfielder but also as a full back (right or left).
He spent most of his career at Athletic Bilbao, making over 400 official appearances and winning two Supercopa de Espana trophies. He started playing with Alaves.
Club Career
Alaves
Born in Laguardia, Alava, de Marcos made his professional debut for nearby Deportivo Alaves. He first appeared in the second division in the home fixture against CD Tenerife on 21 December 2008, coming on as a late substitute in a 2–1 loss.
De Marcos eventually played in 20 games with the first team, as they dropped down a level at the season's end. He started his career as a forward.
Athletic Bilbao
In July 2009, de Marcos went straight into La Liga, penning a four-year deal with Athletic Bilbao for about €350,000.
This page also has a version in other languages : Оскар де Маркос (russian)
Heerenveen 
PSV 
CSKA Moscow 
Spartak Moscow 
Udinese 
Roma 
Brighton 
Manchester City 
Go Ahead Eagles 
Feyenoord 
Montpellier 
Nantes 
Real Sociedad 
Real Madrid 
Dnipro-1 
Dynamo Kyiv 
West Ham 
Liverpool 
Shakhtar Donetsk 
Bayern Munich 
Eintracht Frankfurt 
FC Augsburg 
Werder Bremen 
RB Leipzig 
Borussia Dortmund 
SC Freiburg 
VFL Wolfsburg 
Manchester Utd 
Burnley 
Sampdoria 
Como 
Juventus 
AC Milan 
Everton 
Brentford 
Bayer Leverkusen 
VFB Stuttgart 
Atletico Madrid 
Athletic Bilbao 
Elche 
Espanyol 
Stade Lavallois 
Bordeaux 
Benfica 
SC Braga 
Lazio 
Verona 
Aston Villa 
Chelsea 
Paris Saint Germain 
Le Havre 
NEC Nijmegen 
AZ Alkmaar 
Inter 
Torino 
ST Mirren 
Rangers 
Tottenham 
Arsenal