Original sentence: In 1985, after retaining the the Scottish Amateur Championship he turned professional and, being just 16 years and three months old, was youngest player to become a professional.This saw him rise to the summit of the World Rankings at the age of 21
Edited sentence: In 1985, after retaining the the Scottish Amateur Championship he turned professional and being just 16 years and 3 months old was youngest player to become a professional.This is a major factor in his break building ability.This saw him rise to the summit of the World Rankings at the tender age of 21