What does blood type have to do with the Japan national football team?

At first glance, it may seem like Alberto Zaccheroni, the head coach of the Japan national football team, systematically screens his players’ blood types before letting them onto the team. After all, out of the total 23 players on the 2014 national team, only three of them have blood type B blood. That number was zero for the 2012 national team. So is this fact pure coincidence, or is there something larger at work here?

Actually, the answer may lie in Japan and other East Asian countries’ belief that blood type determines character traits. Still not convinced? Read on to learn why football players with type B blood may actually be at a disadvantage in the game.

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