Shogo Mori hit a two-run, go-ahead homer in the seventh inning Tuesday night as the Chunichi Dragons reduced their magic number to clinch the Central League pennant to one with a 4-2 victory over the Yakult Swallows.

News photoChunichi's Kenshin Kawakami delivers a pitch against the Yakult Swallows at Tokyo's Jingu Stadium. The Dragons won 4-2.

After Hirokazu Ibata gave the Dragons a 2-1 lead with a two-run homer off Masanori Ishikawa (10-11) in the sixth at Tokyo's Jingu Stadium, the Swallows responded with a game-tying infield single by Atsunori Inaba in the bottom half.