Nippon Professional Baseball switched to a uniform baseball in line with Japanese pro baseball specifications Tuesday following a controversy over baseballs that had been livelier than the permissible limit.
NPB officials were on hand at the six ballparks in the Central and Pacific leagues to verify delivery of the baseballs. There were a total of 10 home runs in five games the same day, the only exception being at Kobo Stadium in Sendai, where the Tohoku Rakuten Golden Eagles faced the Chiba Lotte Marines.
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