he's been a good MLS player, has played 3 times for the US nat'l team in friendleis, and at age 27 he wont be getting any more looks from Arena.
He had a trial with Andelecht back in 1997 but didnt impress. He has started in most of San Jose's matches last season and plays a defencive Mid role. I can say the only downfall in his career is that he likes to take a lot of shots from that position. Last season he took 42 shots and scored just 3. So he gets caught out of position a bit.
I don't think Corrales should be going to Europe when there are many brighter prospects in MLS, but if he's up for the move I say go for it. Like Paul said, there won't be anymore looks from Arena, so if he feels like crossing the Atlantic, more power to him.