For the reigning Japan Series champions, April was not a very kind month.

News photoFighters outfielder Hichori Morimoto, left, cruises past the third base coach with a smile after hitting a two-run homer in the sixth inning against Orix at Sapporo Dome on Saturday afternoon. Hokkaido Nippon Ham defeated the Buffaloes 7-3. KYODO PHOTO

After falling to the Seibu Lions 6-2 on Apr. 19, the Hokkaido Nippon Ham Fighters didn't win again until April 26 — a span a six games, and their worst losing streak in two seasons.