There was nothing amiss at Yokohama Stadium.
The sun was shining, the sky was blue and a sparse crowd of 3,756 was watching the Yokohama BayStars and Tokyo Yakult Swallows play an open-sen game as all the hopes and aspirations that come with spring training hung thick in the air.
Then, with Yakult ahead 3-1 in the seventh inning, the ground started shaking.
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