Getty/X (@MousaQi)Aditya GokhaleVIDEO: Cristiano Ronaldo produces superb backheel assist in Al-Nassr training as 39-year-old gears up for 23rd season of his careerC. RonaldoAl Nassr FCSaudi Pro League Cristiano Ronaldo showed he's still got it during a training session with Al-Nassr.Article continues belowArticle continues belowArticle continues belowRonaldo returns for 23rd pro seasonGives superb backheel assist in trainingWill look to win first Al-Nassr trophy this month