Gongora was 6-1 with a 1.47 ERA as a sophomore. In the 2018 state championship game against Wapakoneta, his two-run go-ahead single in the top of the seventh inning broke a tie game and carried the Eagles to a 3-1 victory and their first title.
In 2019, Gongora was 9-0 with a 1.15 ERA. In the Division II state championship game that season, Gongora allowed one run on four hits in seven innings, pitching the Eagles to a 4-2 victory against Gilmour Academy. CJ became the ninth team in Ohio High School Athletic Association history to win back-to-back state baseball titles.