The National Sport front page on Tuesday, February 17 features Real Madrid star Cristiano Ronaldo as the Uefa Champions League holders resume their title defence against Schalke on Wednesday.
As Ian Hawkey writes, there are no sure things at this stage, just ask Pep Guardiola, whose 2010 Barcelona and 2014 Bayern Munich sides saw their Champions League hopes end.
RELATED:
GALLERY: Chelsea train ahead of PSG clash in Uefa Champions League
TALKING POINTS: PSG v Chelsea in Uefa Champions League last-16
Follow us on Twitter @NatSportUAE


