The Auckland Tuatara joined the Australian Baseball League as an expansion team in 2018-2019 as the circuit moved beyond Australia for the first time. The squad from Auckland, New Zealand was managed by Steve Mintz. They finished last in their conference at 14-26, but well ahead of the other expansion team, Geelong-Korea. Their offensive leaders included New Zealand national team regulars Daniel Lamb-Hunt (.282/.373/.376) and Max Brown (.238/.308/.434). Former major leaguer Josh Collmenter was their top starter at 3-4, 3.25.