Justin Hagenman is a professional baseball pitcher known for his progression from college baseball at Penn State to Major League Baseball with the New York Mets. This tag page features news, articles, and updates on his career milestones, including his minor league achievements, MLB debut in 2025, and his transition from relief to starting pitcher. Coverage highlights his performances with teams such as the Great Lakes Loons, Tulsa Drillers, Worcester Red Sox, and Syracuse Mets, as well as his notable MLB appearances and first save. The tag is relevant for tracking Hagenman’s ongoing development and impact within professional baseball.