Complex sentence: Quantis Graves (born July 29,1982) is an American professional boxer from New Orleans, Louisiana, he is well known with his advance to the Olympic box-offs in the 201 lb division.
Split into simpler sentences: Quantis Graves (born July 29,1982) is an American Quantis is a professional boxer from new Orleans, Louisiana. He is well known with his advance to the Olympic box-offs in the 201 lb division.