The Seibu Lions have used one of baseball's most potent offenses to build a nearly insurmountable lead in the Pacific League and establish themselves as an early favorite to reach the Japan Series.

None of that really means much to Shunsuke Watanabe.

The Chiba Lotte Marines scored four quick runs off Kazuhisa Ishii and Watanabe continued his mastery of the Pa. League leaders as the Marines topped the Lions 8-5 on Tuesday night at Chiba Marine Stadium.