Walked past the touts who all told me the game was a sell out and just went to the taquillas at the southern end of the ground.Got two for the Tribuna Superior Alta for 15 euros each.This was Saturday lunchtime and the queues were only about 3 or 4 deep at each ticket window.Walked back to tube past the same touts who taught me lots of new words when I waved my tickets at them!