The Terror of Head HBPs - 150km/h Weapons
Professional pitchers throw fastballs exceeding 150km/h with baseballs weighing approximately 145g. When this combination of speed and mass strikes the head directly, it can cause life-threatening injuries including skull fractures, brain contusions, and subdural hematomas. NPB history includes multiple serious head HBP incidents. Batting helmets protect the head but cannot completely prevent direct hits to the face or temples. With recent increases in pitching velocity, head HBP risks continue to grow.
The Danger of 'I'm Fine' - Downplaying Concussions
NPB long treated it as normal for players hit near the head to self-report 'I'm fine' and return to play. Concussions show few visible external abnormalities, and players themselves may not recognize symptoms. However, continuing to play with a concussion risks Second Impact Syndrome, where a second impact causes fatal brain damage. Baseball's culture of glorifying 'playing through pain' has obstructed proper concussion management.
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Concussion Protocol Introduction and Challenges
MLB introduced concussion protocols in 2011, requiring players who sustain head impacts to be evaluated by independent medical staff before returning to play. A 7-day Concussion IL was also established to ensure adequate recovery time. While concussion awareness is growing in NPB, adoption of strict MLB-style protocols lags behind. Much is left to team doctor judgment, with no independent third-party evaluation system established.
Long-Term Impact - CTE Concerns
In American football, Chronic Traumatic Encephalopathy (CTE) from repeated head impacts has become a serious issue. In baseball too, the long-term brain effects of head HBPs and foul tip impacts cannot be ignored. Catchers in particular routinely absorb foul tip impacts through their masks, raising concerns about cumulative brain damage. NPB has conducted virtually no research or follow-up studies on long-term head injury effects, with retired players' brain health unmonitored. Protecting player safety requires attention not only to acute concussion response but also to long-term brain health management.