Career
He is known by his nickname, The Korean Hawk. Chang knocked out Lopez in the 3rd round. In Chang"s first world title try, he lost to Hilario Zapata of Panama by a 15 round split decision in 1982, by scores of 148-145, 142-144 and 144-147.
Chang had a record of 38 wins and 4 losses, with 17 wins by knockout.
On June 2010, Chang and 12 other boxing personalities were inducted in the International Boxing Hall of Fame. He became the first Korean boxer to be inducted in the prestigious boxing hall of fame, and the 5th Asian boxer to receive the honor.