 |
| |
| League History Index | Players | Teams | Managers | Leagues | Leaderboards | Awards | Accomplishments |
| Rank | Player | WHIP | YEAR | Open Season Leaderboard |
|---|---|---|---|---|
| 1 | Ed Brown | 1.09 | 1950-1951 | |
| 2 | Morihiro Arakaki# | 1.15 | 1954-1961 | |
| 2 | Naoto Yoshinaga# | 1.15 | 1956-1961 | |
| 4 | Sadato Hayakawa# | 1.16 | 1954-1961 | |
| 5 | Yoshitora Nakagawa | 1.17 | 1953-1961 | |
| 5 | Tatsuo Sato# | 1.17 | 1956-1961 | |
| 7 | Keiji Tamura# | 1.18 | 1956-1961 | |
| 7 | Shinki Kimura# | 1.18 | 1952-1961 | |
| 7 | Akimasa Murakami# | 1.18 | 1957-1961 | |
| 10 | Arata Komatsu# | 1.19 | 1956-1961 | |
| 11 | Tadaatsu Miki# | 1.20 | 1950-1961 | |
| 12 | Steve Noel | 1.21 | 1950-1959 | |
| 13 | Norito Yamazaki# | 1.23 | 1950-1961 | |
| 13 | Kinzo Yoshimura# | 1.23 | 1950-1961 | |
| 13 | Itsuya Takahashi | 1.23 | 1950-1959 | |
| 16 | Eichiro Ueno# | 1.24 | 1950-1961 | |
| 16 | Minoru Yamamoto# | 1.24 | 1955-1961 | |
| 18 | Masatoshi Sakai# | 1.25 | 1954-1961 | |
| 18 | Minao Akagi# | 1.25 | 1953-1961 | |
| 18 | Haruki Ogawa# | 1.25 | 1956-1961 | |
| 21 | Shigeyasu Hirayama# | 1.26 | 1953-1961 | |
| 21 | Tadaatsu Sunada# | 1.26 | 1953-1961 | |
| 23 | Kyouhei Sakata | 1.27 | 1950-1961 | |
| 23 | Tomochika Takada# | 1.27 | 1957-1961 | |
| 23 | Fumimaro Yamauchi# | 1.27 | 1958-1961 | |
| 26 | Teruaki Koyama# | 1.28 | 1953-1961 | |
| 27 | Seishiro Kikuchi# | 1.29 | 1957-1961 | |
| 27 | Sumiteru Yoshida | 1.29 | 1951-1961 | |
| 29 | Nobuto Sakai | 1.30 | 1952-1959 | |
| 30 | Takuyuki Shimizu | 1.31 | 1953-1958 | |
| 30 | Teizo Hasegawa# | 1.31 | 1950-1960 | |
| 32 | Toshio Iwamoto# | 1.32 | 1952-1961 | |
| 32 | Takahiko Kurata# | 1.32 | 1954-1961 | |
| 32 | Masato Yamamoto# | 1.32 | 1952-1961 | |
| 35 | Art Marx# | 1.33 | 1957-1961 | |
| 35 | Kannon Kato# | 1.33 | 1952-1961 | |
| 35 | Ryusuke Maeda# | 1.33 | 1953-1961 | |
| 35 | Toshimasa Kobayashi# | 1.33 | 1958-1961 | |
| 35 | Komiya Takahashi# | 1.33 | 1956-1961 | |
| 35 | Takamichi Smith# | 1.33 | 1952-1961 | |
| 41 | Isoroku Furuta# | 1.35 | 1955-1961 | |
| 41 | Tomohito Kimura | 1.35 | 1950-1960 | |
| 41 | Masali Tabata# | 1.35 | 1957-1961 | |
| 44 | Yuushuu Nakata# | 1.36 | 1955-1961 | |
| 44 | Tatsuki Goto# | 1.36 | 1956-1961 | |
| 44 | Katsumi Sato# | 1.36 | 1950-1961 | |
| 44 | Mikiyasu Sakata# | 1.36 | 1958-1961 | |
| 48 | Genya Ishii# | 1.37 | 1953-1961 | |
| 48 | Yoshimatsu Shiina# | 1.37 | 1958-1961 | |
| 48 | Gene Walker# | 1.37 | 1958-1961 | |
| 48 | Dan Rivard | 1.37 | 1950-1956 | |
| 48 | Yoshii Mizuno# | 1.37 | 1952-1961 | |
| 48 | Toshinori Osada# | 1.37 | 1956-1961 | |
| 54 | Yukiharu Goto# | 1.38 | 1954-1961 | |
| 54 | Shigeto Kawakami# | 1.38 | 1957-1961 | |
| 54 | Toshinori Nagase# | 1.38 | 1953-1961 | |
| 54 | Kiichi Takahashi# | 1.38 | 1953-1961 | |
| 54 | Kiemon Matsuda | 1.38 | 1951-1960 | |
| 59 | Josuke Fujimori# | 1.39 | 1951-1961 | |
| 59 | Katsunan Umemoto | 1.39 | 1950-1957 | |
| 61 | Hod Taylor Jr.# | 1.40 | 1956-1961 | |
| 62 | Kiyohiro Okazaki# | 1.41 | 1952-1961 | |
| 62 | Ikuo Kanazawa# | 1.41 | 1950-1961 | |
| 62 | Genichi Tsukamoto# | 1.41 | 1956-1961 | |
| 65 | Hirotsugu Sasaki# | 1.42 | 1954-1961 | |
| 65 | Paul Baker | 1.42 | 1951-1960 | |
| 65 | Seikichi Nagamatsu# | 1.42 | 1956-1961 | |
| 65 | Tadanori Miyata# | 1.42 | 1955-1961 | |
| 69 | Mitsukuni Yoshimura# | 1.43 | 1954-1961 | |
| 70 | Teiljo Okamoto# | 1.45 | 1956-1961 | |
| 70 | Natsuhiko Sugiura# | 1.45 | 1958-1961 | |
| 72 | Kinichi Ota# | 1.46 | 1956-1961 | |
| 73 | Seiichi Matsuda | 1.47 | 1953-1960 | |
| 73 | Rei Suga# | 1.47 | 1955-1961 | |
| 73 | Kiyomitsu Wada# | 1.47 | 1958-1961 | |
| 76 | Masakado Matsuda# | 1.48 | 1954-1961 | |
| 76 | Ollie White | 1.48 | 1956-1961 | |
| 76 | Ienari Takagi# | 1.48 | 1951-1961 | |
| 79 | Kijuro Fukushima# | 1.49 | 1956-1961 | |
| 79 | Sadao Arai# | 1.49 | 1956-1961 | |
| 79 | Tadanao Kawai | 1.49 | 1954-1960 | |
| 82 | Satsuya Shindo# | 1.50 | 1950-1961 | |
| 82 | Toshiyoshi Sakata# | 1.50 | 1952-1961 | |
| 84 | Isato Kosaka | 1.51 | 1950-1957 | |
| 84 | Kiyoshige Abe# | 1.51 | 1954-1961 | |
| 86 | Tsunemori Takanezawa# | 1.52 | 1956-1961 | |
| 86 | Benkei Nakao | 1.52 | 1952-1960 | |
| 88 | Toshitada Masuda# | 1.57 | 1954-1961 | |
| 88 | Atsuhiro Smith# | 1.57 | 1959-1961 | |
| 90 | Itaru Takayama# | 1.59 | 1955-1961 | |
| 91 | Munehiro Toyama# | 1.63 | 1952-1961 | |
| 92 | Hisamichi Nakashima | 1.66 | 1952-1960 | |
| 93 | Toshitada Morino# | 1.69 | 1956-1961 | |
| 93 | Satoshi Smith | 1.69 | 1951-1952 | |
| 95 | Toshitake Ochiai | 1.79 | 1950-1959 |
