The 21 - year - old has wasted no time in setting his sights high .
The 21 - year - old has backed himself to join Lionel Messi and Cristiano Ronaldo as the most formidable footballers in the world .
The 21 - year - old has wasted no time in setting his sights high and has backed himself to join Lionel Messi and Cristiano Ronaldo as the most formidable footballers in the world .