February 1 - All 12 Teams Begin
NPB spring training begins simultaneously across all 12 teams on February 1, a date known as 'Camp-In' that marks a seasonal milestone in Japanese sports media. Nine teams train in Okinawa and three in Miyazaki, taking advantage of mild February temperatures averaging 17 degrees Celsius. The approximately 40-day camp splits into two phases: foundational fitness and form work in the first two weeks, followed by intrasquad games and exhibition matches. Whether a player makes the first-team camp is a career-defining moment.
Fan Access Unlike Anywhere Else
NPB spring training's defining feature is extraordinary fan proximity. Practices are fully open to the public, allowing fans to watch batting practice, bullpen sessions, and fielding drills from just meters away. Autograph sessions and photo opportunities are routine. This level of access exceeds even MLB spring training and represents a uniquely Japanese baseball tradition. Travel agencies now sell camp viewing tours, reflecting the growing tourism value of this annual pilgrimage.
Scientific Training Evolution
Once dominated by running and throwing volume, camps now incorporate tracking systems like Rapsodo and TrackMan alongside wearable devices. Pitch velocity, spin rate, and movement are measured in real-time for form adjustments. Sleep, heart rate, and fatigue data inform individualized conditioning programs at data-forward teams like SoftBank and DeNA. The tension between scientific methods and traditional high-volume training philosophies varies by organization.
Economic Impact and Community Bonds
Okinawa Prefecture estimates annual spring training economic impact exceeding 10 billion yen through accommodation, dining, transportation, and tourism. Municipalities invest in stadium and facility upgrades to attract and retain teams, building long-term partnerships. Nago City has hosted the Fighters for over 40 years, while Miyazaki City is nationally known as the Yomiuri's camp home. Spring training serves as a vital connection between NPB and local communities, embodying professional baseball's social value.