Kaczor joins the Tornado staff after a stint at NCAA Division I East Tennessee State University as a volunteer assistant coach. He pitched for two seasons at ETSU, serving as their Friday night starter, finishing up his two-year career with a 12-6 record and a 3.42 ERA. He currently holds the third-lowest career ERA in school history (3.42), and in 2019 posted a 2.13 ERA, the lowest single-season ERA since 1981. After graduating, Kaczor spent three seasons playing in the Colorado Rockies organization, finishing with a 7-6 record and a 4.23 ERA.  In 2024, Kaczor helped the Buccaneers pitching staff to record 456 strikeouts, the second-most in program history.