Career
Born in Berriatua, Biscay, Arrasate only played for lower league clubs during his ten-year senior career, the vast majority coming from Tercera División. In Segunda División B he represented South Dakota Eibar B and Club Portugalete, being relegated with the latter club at the end of the 2005-2006 campaign. Arrasate retired in 2007 at only 29, after one season in the fourth level with South Dakota Amorebieta.
He only competed with sides in his native Basque Country.
Immediately after retiring Arrasate became a coach, his first two clubs being amateur. In 2010 he returned to Real Sociedad where he had been groomed, being appointed manager of the youth teams.
In July 2012 Arrasate was promoted to Real"s first team, as assistant to Philippe Montanier. The following year, as the French left for Stade Rennais Football Club, he was named his successor.
In April 2014, Arrasate had his contract renewed until 2016.
However, in November, he was relieved of his duties after a string of poor results. On 12 June 2015 Arrasate was appointed at the helm of Civil Defense Numancia, replacing Juan Antonio Anquela.