In his freshman season in the spring of 2019, Holetz pitched 16 innings and had 9 strikeouts at Nebraska-Omaha. He helped lead the team to an NCAA Tournament appearance. He was a two-year letterwinner at Edina High School, winning the 2018 conference championship. He helped his team to a 4th place finish at the American Legion Division I Minnesota State Tournament. He is a business major. Holetz enjoys playing golf, hockey and fishing in his free time. He will be entering his sophomore year in the fall of 2019.