Real Madrid keeper partly to blame for surprise loss.
Spain slumped to a surprise defeat Zilina with Iker Casillas at fault for the opening goal of the night.
Read more:
Welbeck goal video:
Rooney goal video:
Slovakia took the lead against the reigning European Championship holders with a free-kick from Juraj Kucka, which Casillas made a real mess of.
Valencia youngster Paco Alcacer had appeared to have spared Vicente del Bosque’s blushes with a late leveler, which looked distinctly offside.
However former Chelsea youngster Miroslav Stoch headed in a later winner Slovakia richly deserved.