English teams had a dominant run against Spanish teams in the knockout stage of the Champions League from 2004 until 2009, but it has swung dramatically the other way ever since.
Between 2004 and April 2009, English teams won nine out of 11 ties.
From April 2009 to date, Spanish teams have won seven of eight ties.
Barcelona and Manchester City face each other for the second straight season in the knockout stage of the Champions League.