Summary of Roki Sasaki’s Career
Roki Sasaki is a Japanese professional baseball pitcher known for his exceptional fastball and precise control. Born on November 3, 2001, in Iwate Prefecture, Japan, Sasaki has built a successful career in both Nippon Professional Baseball (NPB) and Major League Baseball (MLB). He began his professional journey with the Chiba Lotte Marines (2020–2024) in NPB, where he developed into one of Japan’s top pitchers. In 2025, he transitioned to MLB, signing with the Los Angeles Dodgers, where he continues to excel as a right-handed starting pitcher. Sasaki is recognized for his fastball reaching 160 km/h, complemented by a sharp splitter, making him a formidable presence on the mound.
Career from Middle School Onward
Sasaki’s baseball journey began in elementary school when he joined the Takata Baseball Club. During middle school, he played for the Ichinoseki Middle School baseball team, where he initially focused on batting before transitioning to pitching. In high school, he attended Ofunato High School, where he became the team’s ace pitcher. His high school career was highlighted by his record-breaking fastball of 163 km/h, earning him the nickname “Reiwa Monster”. After high school, he was selected by the Chiba Lotte Marines in the 2019 NPB Draft, marking the beginning of his professional career. Sasaki quickly adapted to professional baseball, making his NPB debut in 2021. Over the years, he developed into one of the league’s most dominant pitchers, earning multiple Best Nine Awards, Golden Glove Awards, and leading his team to Japan Series championships. His success in Japan paved the way for his move to the Los Angeles Dodgers in 2025, where he signed a multi-year contract.
Unique Traits and Memorable Moments
Sasaki stands out among pitchers due to his exceptional fastball, which has reached speeds of 160 km/h, making him one of the fastest right-handed pitchers in MLB. His splitter is particularly effective, deceiving batters with its late-breaking movement. One of his most memorable performances was his MLB debut in 2025, where he showcased his ability to adapt to the American league. His mental toughness was evident when he played a crucial role in Japan’s 2023 World Baseball Classic victory, delivering key performances in high-stakes games. Sasaki also demonstrated resilience, overcoming injuries and setbacks to maintain a long and successful career. His ability to adapt was showcased when he transitioned from NPB’s structured approach to MLB’s fast-paced environment, adjusting his playing style accordingly. Additionally, his strong work ethic was reflected in his rigorous training routines, which included specialized drills to enhance his pitching mechanics.
Personality, Family, and Personal Life
Off the field, Sasaki is known for his reserved and disciplined personality, often crediting his success to his coaches and family support. He has a deep passion for Japanese culture, often sharing his love for traditional cuisine such as sushi and ramen. His hobbies include golf, which he enjoys during the offseason. Sasaki is also an advocate for mental health in sports, often discussing the importance of maintaining a strong mindset. His philanthropic efforts include donations to youth baseball programs in Japan, aiming to inspire the next generation of players. Despite his serious demeanor on the field, Sasaki has a playful side, often engaging in friendly banter with teammates and sharing humorous anecdotes about his early struggles in MLB.
Sasaki’s journey from a promising high school pitcher to an established MLB and NPB star is a testament to his dedication and adaptability. His unique pitching style, resilience, and strong personal values make him a standout figure in the world of baseball.