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.
Arsenal 
Bournemouth 
Leicester 
Blackburn 
Borussia Dortmund 
FC Augsburg 
VFB Stuttgart 
Bayern Munich 
VFL Wolfsburg 
SV Darmstadt 98 
Werder Bremen 
Borussia Monchengladbach 
Celtic 
Heart Of Midlothian 
Real Madrid 
Cadiz 
Monaco 
Clermont Foot 63 
Monza 
Lazio 
Manchester City 
Wolverhampton 
Girona 
Barcelona 
Sassuolo 
Inter 
Mallorca 
Atletico Madrid 
Chaves 
FC Porto 
PSV 
Sparta Rotterdam 
Rangers 
Kilmarnock 
Volendam 
Ajax 
Dynamo Kyiv 
Kolos Kovalivka 
Chelsea 
West Ham 
Sampdoria 
Reggiana 
Espanyol 
Sporting Gijon 
AZ Alkmaar 
Twente 
Shakhtar Donetsk 
Chornomorets Odesa 
Liverpool 
Tottenham 
Eintracht Frankfurt 
Bayer Leverkusen 
AC Milan 
Genoa 
Roma 
Juventus 
Verona 
Fiorentina 
Nizhny Novgorod 
Spartak Moscow