Kōki Saito is a Japanese professional baseball player known for his skills as a pitcher. Born on June 9, 2003, he gained attention for his impressive performances in youth leagues and was drafted by the Yokohama DeNA BayStars in 2021. Saito quickly made a name for himself in the Nippon Professional Baseball (NPB) league. Saito is recognized for his strong fastball and effective breaking pitches, which have contributed to his success on the mound. As a young talent, he is seen as a promising player for the future of Japanese baseball, with potential to make significant contributions to his team and the sport overall.