Complex sentence: The tall aggressive Quillin turned pro in New York and signed with Cedric Kushner and had most of his fights on television flaunting one-punch knockout power in either hands that build him a huge following.
Split into simpler sentences: The tall aggressive Quillin turned pro in New York and signed with Cedric Kushner. He had most of his fights on television flaunting one-punch knockout power in either hands that build him a huge following.