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Fritzie Zivic was an American welterweight boxer. He was the World Welterweight Champion from 1940 to 1942, and challenged for the World Middleweight Championship in 1942. Zivic was a powerful puncher, and his left hook was particularly devastating. He was also a skilled boxer, and was able to use his speed and footwork to outmaneuver his opponents. Zivic was inducted into the International Boxing Hall of Fame in 1994.