ITV pundit Roy Keane admitted to feeling "flat and disappointed" with Ireland's performance against Spain.
"It's a reality check for a lot of the Irish players," Keane said. I think a lot of them think they're top players, and it goes to show that they're so far behind a lot of these players."
Barcelona midfielder Cesc Fabregas scores Spain's fourth goal, after good movement at a short corner.
David Silva of Spain makes it 2-0 against Ireland just four minutes after the break in Gdansk.