Rodolfo Martín Arruabarrena (born 20 July 1975) is an Argentine professional football manager and former footballer, who is the current head coach of the United Arab Emirates national football team. As a footballer, he played as a left back and spent most of his career with Boca Juniors, where he began his professional career, and Spanish club Villarreal. Club career Argentina "El Vasco" Arruabarrena (The Basque) debuted professionally in 1993 with Boca Juniors, where he played until 2000, except for the Apertura 1996, when he was lent to Rosario Central for 6 months. After returning to Boca, he gained a place in the regular squad. While with Boca, Rodolfo Arruabarrena won the Apertura in 1998 and the Clausura in 1999 Argentine first division tournaments, as well as the Copa Libertadores 2000. He played a total of 178 games for Boca in all competitions, scoring 7 goals. Villarreal From Boca he moved to Spanish Villarreal in mid 2000. Because of his reliability while playing as the team's left-back, he has been the team's captain in several occasions. He holds Villarreal's record of appearances in La Liga, with 178 first division matches with El Submarino Amarillo (as of 9 December 2005). Arruabarrena's goals in the 2005–2006 Champions League helped to eliminate Scottish giants Rangers F.C. and Italians Internazionale to reach the semi-finals in the club's first ever season in the competition. With Villarreal CF he won the UEFA Intertoto Cup in 2003 and 2004, and played 200 league and international matches for the Spanish team (as of 10 September 2006). AEK Athens On 3 May 2007, El Vasco signed a three-year contract with Greek Super League runners-up AEK for 800,000 euros per year for two years, extendable for a third. According to Arruabarrena, an important role for his decision to continue his career in Greece was played by Lorenzo Serra Ferrer (AEK manager) and Demis Nikolaidis (former star player and later president of his new club who played for Atlético Madrid in 2003–2004). In Rivaldo's debut with AEK Arruabarrena set up the Brazilian legend to score on a header. Arruabarrena also set up Ismael Blanco to score against Getafe in a UEFA Cup match. Arruabarrena managed to have 25 appearances for AEK in one season but halfway through the season he suffered a serious injury. On 29 July 2008, AEK Athens manager Giorgos Donis announced to the press that Arruabarrena was no