Complex sentence: His carrer as a professional boxer is going to be longer and maybe better.Joan Pablo Hernandez is a very fast boxer, with a strong punch.Until now, he have 9 victories with 0 defeat, and is considered by some expert as a future heavyweight world champion.
Split into simpler sentences: His carrer as a professional boxer is going to be longer and maybe better. So far, he has 9 victories with none defeats, and is considered by some experts as a future heavyweight world champion.