Julen Castaneda Nuin (born 14 November 1990) is a Spanish footballer who plays for Cultural y Deportiva Leonesa as a left back.
Club Career
Born in San Sebastian, Gipuzkoa, Castaneda played youth football with local Real Sociedad. He made his senior debut in the 2010–11 season with the B team, in Segunda Division B.
On 14 July 2013, Castaneda signed a two-year deal with Segunda Division club SD Ponferradina. He played his first professional game on 17 August, starting in a 0–1 away loss against Cordoba CF.
Castaneda scored his first goal in the competition on 9 November 2014, his side's second in a 3–3 home draw against Recreativo de Huelva. He was released in 2015, and subsequently resumed his career in the third division by representing Burgos CF,Racing de Santander and Cultural y Deportiva Leonesa.
Empoli 
Udinese 
CSKA Moscow 
Rubin 
Slovan Bratislava 
AC Milan 
Sparta Praha 
Atletico Madrid 
Valencia 
Barcelona 
Stade Brestois 29 
Bayer Leverkusen 
Red Bull Salzburg 
Bayern Munich 
Paris Saint Germain 
Inter 
RB Leipzig 
Manchester City 
Feyenoord 
Sporting CP 
Arsenal 
FC Rostov 
Spartak Moscow 
Aston Villa 
Juventus 
Celtic 
Club Brugge 
Dinamo Zagreb 
Borussia Dortmund 
Liverpool 
Real Madrid 
Monaco 
Benfica 
PSV 
Shakhtar Donetsk 
Lokomotiv Moscow 
Dinamo Moscow 
Anderlecht 
FC Porto 
AZ Alkmaar 
Galatasaray 
Dynamo Kyiv 
Viktoria Plzen 
Lazio 
Ludogorets 
Qarabag 
Lyon 
FC Heidenheim 
Chelsea 
FC Midtjylland 
Eintracht Frankfurt 
Manchester Utd 
Bodo/Glimt 
Nice 
Rangers 
Real Sociedad 
Ajax 
Tottenham 
Roma