Shinji Tsuruoka and Makoto Kaneko drove in seven runs between them as the Hokkaido Nippon Ham Fighters trounced the Yomiuri Giants 16-6 on Tuesday, the first day of interleague play.
After hitting back-to-back RBI singles in a four-run fourth inning that put Nippon Ham up 4-3, Tsuruoka doubled in three runs and Kaneko followed with a shot over the left-field wall in a six-run fifth at Sapporo Dome.
Eiichi Koyano had four of the Fighters' season-high 20 hits. Tomohiro Nioka had three hits and two RBIs against his former team.
Tomoya Yagi (4-0) allowed three runs and four hits in five-plus innings. Hisanori Takahashi (2-1) was charged with six runs in four-plus innings.