Most NPB career records are held by foreign players

‌[Career Batting Records]
Home Runs - 868 Osada Haru = Wang Jeong-chi (Sadaharu Oh)
Runs Scored - 1,967 Osada Haru
RBIs - 2,170 Osada Haru
Slugging Percentage - 0.634 Osada Haru
Hits - 3,085 Jang Hun (Harimoto Isao)
[Career Pitching Records]
ERA - 1.90 Lee Pal-yong = Fujimoto Hideo
Winning Percentage - 0.697 Lee Pal-yong
Wins - 400 wins Kim Gyeong-hong = Kaneda Masayichi
Strikeouts - 4,490 Kim Gyeong-hong
While the dominance of the Chinese-descended Osada Haru (Sadaharu Oh) is incredible, there are 3 record holders of Korean descent.