Chris Roberts scattered four hits over seven scoreless innings in his first start of the season and lifted the lowly Lotte Marines over the Pacific League-leading Lions 4-1 at Seibu Dome for their fourth win of the season.
Roberts allowed four walks and fanned five for his first win in seven outings.
Marines right fielder Kazuya Fukuura drove in three runs and hit a solo homer in the third inning.
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