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The home side dominated from the off as they maintained possession with ease, but were unable to find a path to goal in the first 20 minutes.
After half time, Spain were handed the opportunity to take the lead when Javi Martinez was brought down in the penalty area. Torres took the spot kick and fired the ball past Quinonez to put his side ahead.
Torres should have doubled his and his side's tally for the game when he was put through on goal by Andres Iniesta, but he could only put his shot over the bar.
Spain continued to push to try to kill the game off when Iniesta surged into the box and teed up David Silva, but the Manchester City man failed to beat Quinonez with his low effort.
The home side finally got their second goal in the 84th minute as Iniesta drove to the edge of the box again, but this time went himself and found the bottom corner with a low drive.
Sergio Busquets nearly added a third in stoppage time when he collected Iniesta's pass only to see his close-range effort clatter off the post, but Spain eased to a comfortable win.