Lisbon – For two of the formative faces of the past 15 years, the World Cup in Qatar is probably the last appearance on the big world stage. While Argentina’s 35-year-old star Lionel Messi is still a key player at Paris Saint-Germain, Portugal’s Cristiano Ronald has been sidelined at Manchester United. Many have already written off the five-time world footballer. More than ever, the 37-year-old seems keen to show it all again.