Romelu Lukaku

Romelu Lukaku is not mentioned in either of the provided news articles. The articles focus on historical Champions League comebacks and the possibility of FC Barcelona overcoming a two-goal deficit in an upcoming Champions League quarter-final match. They discuss past instances of teams successfully overturning such deficits and highlight the difficulty of the task facing Barcelona. The articles mention Giuliano Simeone and Hansi Flick in relation to Barcelona, and refer to historical comebacks by teams like Ajax, Liverpool, and Sporting de Portugal. However, there is no information related to Romelu Lukaku within the text of these articles.