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| |
| League History Index | Players | Teams | Managers | Leagues | Leaderboards | Awards | Accomplishments |
| Rank | Player | SLG | YEAR | Open Career Leaderboard |
|---|---|---|---|---|
| 1 | Susumu Ishii# | .6893 | 1957 | |
| 2 | Sakan Hashizume# | .6273 | 1952 | |
| 3 | Yutaka Yoshida# | .6017 | 1952 | |
| 4 | Kikuichi Shirai# | .5797 | 1957 | |
| 5 | Susumu Ishii# | .5645 | 1954 | |
| 6 | Saiki Nojima | .5567 | 1956 | |
| 7 | Shougo Iwai# | .5539 | 1960 | |
| 8 | Kenji Tokuda | .5527 | 1956 | |
| 9 | Sakan Hashizume# | .5502 | 1953 | |
| 10 | Sakan Hashizume# | .5229 | 1959 | |
| 11 | Sueo Shimabukuro# | .5187 | 1957 | |
| 12 | Masujiro Takahashi | .5153 | 1951 | |
| 13 | Yutaka Yoshida# | .5130 | 1960 | |
| 14 | Yasukatsu Arakawa# | .5123 | 1951 | |
| 15 | Shougo Iwai# | .4989 | 1959 | |
| 16 | Jobu Tsuda | .4988 | 1950 | |
| 17 | Yoshio Ishikawa# | .4933 | 1960 | |
| 18 | Yoshiyasu Maeda# | .4879 | 1956 | |
| 19 | Gou Kawamoto# | .4850 | 1956 | |
| 20 | Senichi Kawakami# | .4835 | 1961 | |
| 21 | Yonekichi Okazaki# | .4821 | 1958 | |
| 22 | Maro Kozuka | .4788 | 1953 | |
| 22 | Shougo Iwai# | .4788 | 1961 | |
| 24 | Kin Nagasawa# | .4782 | 1960 | |
| 25 | Saiki Nojima | .4752 | 1958 | |
| 26 | Ukon Kikuchi | .4723 | 1957 | |
| 27 | Gou Kawamoto# | .4700 | 1954 | |
| 28 | Itsuma Kaneda# | .4681 | 1956 | |
| 29 | Hirotada Nakagawa | .4578 | 1950 | |
| 30 | Ukon Kikuchi | .4548 | 1956 | |
| 31 | Maro Kozuka | .4534 | 1954 | |
| 32 | Maro Kozuka | .4521 | 1957 | |
| 33 | Kikuma Kanai | .4494 | 1956 | |
| 34 | Sueo Shimabukuro# | .4484 | 1958 | |
| 35 | Shoyo Miyazawa# | .4450 | 1959 | |
| 36 | Koji Osawa | .4418 | 1957 | |
| 37 | Yutaka Yoshida# | .4415 | 1961 | |
| 38 | Yasukatsu Arakawa# | .4385 | 1950 | |
| 39 | Kin Nagasawa# | .4333 | 1958 | |
| 40 | Koji Osawa | .4331 | 1958 | |
| 41 | Yasukatsu Arakawa# | .4322 | 1958 | |
| 42 | Yutaka Yoshida# | .4302 | 1957 | |
| 43 | Shinji Fukuda# | .4289 | 1959 | |
| 44 | Kin Nagasawa# | .4286 | 1961 | |
| 45 | Momota Matsuda | .4262 | 1951 | |
| 46 | Michinao Okamoto | .4217 | 1953 | |
| 47 | Satoshi Takahashi# | .4205 | 1957 | |
| 48 | Yasukatsu Arakawa# | .4182 | 1959 | |
| 49 | Shissho Inoue# | .4174 | 1960 | |
| 50 | Senichi Kawakami# | .4149 | 1960 | |
| 51 | Yakumo Nishi | .4067 | 1951 | |
| 52 | Tsuguhiro Hashiguchi# | .4052 | 1956 | |
| 53 | Harl Smith# | .4045 | 1961 | |
| 54 | Shissho Inoue# | .4016 | 1961 | |
| 55 | Tsuguhiro Hashiguchi# | .4000 | 1958 | |
| 56 | Kimiyasu Aoki# | .3989 | 1959 | |
| 57 | Ukon Kikuchi | .3943 | 1958 | |
| 58 | Shinsei Hashimoto | .3926 | 1950 | |
| 59 | Kimiyasu Aoki# | .3922 | 1955 | |
| 60 | Seisaku Nishimura# | .3917 | 1959 | |
| 61 | Shougo Iwai# | .3804 | 1958 | |
| 62 | Satoshi Takahashi# | .3753 | 1958 | |
| 63 | Satoshi Takahashi# | .3747 | 1959 | |
| 64 | Kimiyasu Aoki# | .3691 | 1960 | |
| 65 | Kin Nagasawa# | .3689 | 1959 | |
| 66 | Yoshio Ishikawa# | .3674 | 1959 | |
| 67 | Masuami Smith# | .3655 | 1959 | |
| 68 | Kin Nagasawa# | .3636 | 1957 | |
| 69 | Tsuguhiro Hashiguchi# | .3455 | 1957 | |
| 70 | Hyuuga Kimura | .3431 | 1953 | |
| 71 | Hyogo Sato# | .3390 | 1957 | |
| 72 | Kimiyasu Aoki# | .3298 | 1961 | |
| 73 | Tsuguhiro Hashiguchi# | .3119 | 1961 |
