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| League History Index | Players | Teams | Managers | Leagues | Leaderboards | Awards | Accomplishments |
| Year | Starting Pitchers | Closer | Bullpen | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1950 74-56 | Brown 19-10, 2.55 | Kosaka 14-14, 3.63 | Sakata 21-9, 3.21 | Umemoto 13-12, 3.59 | Sugita 0-4, 5.13 | Sawada 19 SV, 2.84 | Sawada 58 G, 2.84 | Brown 36 G, 2.55 | Kosaka 36 G, 3.63 |
| 1951 80-51 | Umemoto 17-11, 4.07 | Sakata 19-4, 2.62 | Brown 15-8, 2.26 | Fujimori 8-5, 5.19 | Kosaka 2-6, 6.85 | Sawada 17 SV, 3.61 | Sawada 72 G, 3.61 | Umemoto 36 G, 4.07 | Sakata 35 G, 2.62 |
| 1952 0-0 | |||||||||
| 1953 0-0 | |||||||||
| 1954 0-0 | |||||||||
| 1955 0-0 | |||||||||
| 1956 77-49 | Matsuda 13-13, 3.56 | Sato 13-11, 3.54 | Iwamoto 11-8, 4.39 | Fujimori 14-6, 3.96 | Umemoto 7-6, 4.50 | Yamamoto 26 SV, 1.71 | Yamamoto 65 G, 1.71 | Hara 46 G, 5.34 | Matsuda 30 G, 3.56 |
| 1957 61-68 | Sato 18-8, 2.66 | Yoshinaga 11-10, 3.85 | Matsuda 10-11, 3.56 | Iwamoto 7-13, 5.09 | Murakami 6-11, 5.71 | Yamamoto 11 SV, 4.61 | Yamamoto 55 G, 4.61 | Hara 34 G, 4.07 | Sato 33 G, 2.66 |
| 1958 87-40 | Yoshinaga 22-2, 1.99 | Sato 18-5, 2.67 | Murakami 14-10, 3.06 | Matsuda 12-9, 3.18 | Iwamoto 11-5, 2.78 | Yamamoto 25 SV, 1.89 | Yamamoto 58 G, 1.89 | Yoshinaga 31 G, 1.99 | Sato 30 G, 2.67 |
| 1959 63-67 | Yoshinaga 17-10, 2.82 | Murakami 10-17, 3.09 | Sato 13-12, 2.79 | Iwamoto 7-11, 4.72 | Matsuda 6-13, 4.29 | Yamamoto 11 SV, 3.63 | Yamamoto 43 G, 3.63 | Hara 32 G, 5.82 | Yoshinaga 32 G, 2.82 |
| 1960 76-52 | Murakami 15-7, 2.83 | Yoshinaga 13-9, 2.54 | Sato 16-5, 2.81 | Sakata 7-13, 4.47 | Iwamoto 6-8, 4.04 | Yamamoto 18 SV, 2.38 | Yamamoto 53 G, 2.38 | Okazaki 41 G, 3.83 | Murakami 29 G, 2.83 |
| 1961 77-54 | Murakami 19-4, 2.71 | Yoshinaga 17-9, 2.83 | Masuda 9-9, 5.07 | Sato 13-8, 2.97 | Sakata 7-6, 5.30 | Yamamoto 28 SV, 3.66 | Yamamoto 59 G, 3.66 | Okazaki 39 G, 5.23 | Yamakawa 31 G, 9.41 |
