A number two choice for most of his career , he 's always had to deal with adversity .
He could have crumbled after falling behind Maarten Stekelenburg , one of Koeman 's trusted performers , at the start of the season .
A number two choice for most of his career , he 's always had to deal with adversity and he could have crumbled after falling behind Maarten Stekelenburg , one of Koeman 's trusted performers , at the start of the season .