The game against the La Liga outfit is the first home friendly to be announced this summer with the club expected to name more dates at the Reebok Stadium against top opposition as part of their pre-season warm up following on from last years successful home friendlies against the likes of Olympiakos, Real Mallorca, Sao Paulo and Royal Antwerp.
Former Blackburn Rovers striker Yordi, linked to Bolton in recent weeks is just one of the many faces in the Zaragoza camp to be heading to Lancashire this summer.