Complex sentence: Hawkins would later play with the Pittsburgh Rens of the rivaling American Basketball League and the independent Harlem Globetrotters before officially being undrafted in 1964 and 1965 before being permanently banned from the NBA altogether in 1966.
Split into simpler sentences: Hawkins would later play with the Pittsburgh Rens of the rivaling American Basketball League and the independent Harlem Globetrotters before officially being undrafted in 1964. He became undrafted again in 1965 before being permanently banned from the NBA altogether in 1966.