Murakami is a star for the Tokyo Yakult Swallows in Japan's Nippon Professional Baseball Organization. Throughout eight seasons in Japan, he has a .945 on-base plus slugging percentage and 262 home runs. Murakami has also become prominent thanks to his performance in the 2023 World Baseball Classic. Murakami, notably, hit a two-run walk-off double against Mexico to send the Japanese team to the finals.