Both Haaland and Mbappe have scored 7 hat-tricks before turning 22 years old. While Messi had just 2 and Ronaldo failed to score one.
19-year-old Haaland has netted 40 goals and delivered 5 assists from 31 appearances across all competitions this season.
21-year-old Mbappe has 30 goals and 13 assists in 32 appearances across all competitions in 2019-20.