Fitzgerald returns to KSC after spending time working in the San Francisco Giants organization as an player development analyst. He pitched for three years at Keene State, receiving a bachelors degree in Business Management. He made 20 appearances on the hill for the Owls, tossing 33 2/3 innings with a 3.48 ERA and three saves. He also pitched for one year at Southern New Hampshire University, earning an MBA in 2021.