Two of the world's most followed footballers, Lionel Messi and Cristiano Ronaldo, have grabbed the year-end headlines once again. According to an astounding statistic, Messi and Ronaldo are set to end this calendar year as the top scorers of 2021 for their previous clubs Barcelona and Juventus, respectively, despite leaving them in the summer. This year brought about a life-altering transfer for Messi, who left Barcelona after a span of 21 years, having played 16 straight seasons in the top flight. He went on to join French giants Paris Saint-Germain (PSG) this year in August at the age of 34.