32 Years of Professional Baseball
Masa Yamamoto was drafted fifth by Chunichi in 1983 and retired at 50 in 2015, spanning 32 seasons, NPB's longest career. An unremarkable early career was transformed by a 1988 stint in the Dodgers' minor league system where he learned the screwball.
The Screwball Master
Yamamoto's 110-120 km/h screwball, combined with a 130 km/h fastball, created devastating speed differentials that disrupted timing. In an era of power pitching, his 'soft-tossing' style represented the pinnacle of pitching craft over velocity.
Record Collection
His 219 wins made him the last 200-win club member. He threw a no-hitter at 41 (2006, oldest in NPB history) and won a game at 49 (2014, also a record). His 32-year tenure with a single franchise remains unmatched.
Legacy of Adaptation
Yamamoto's longevity required constant evolution: adjusting training annually, accepting style changes as velocity declined, and pursuing efficiency over power. No NPB pitcher has played past 45 since his retirement, underscoring the extraordinary nature of his achievement.