Complex sentence: As a young man he trained for 3 years under the tutelage of Emanuel Steward, where according to Eastside Boxing Williams accumulated a 90-8 record as an amateur although Cyberboxing lists him as 93-10.
Split into simpler sentences: As a youngster he trained 3 years under the tutelage of Emanuel Steward. According to Eastside Boxing Williams accumulated a 90-8 record as an amateur, Cyberboxing lists him as 93-10.