Koshiro Sakamoto

Chiba Lotte Marines

Chiba Lotte Marines

Koshiro Sakamoto

Koshiro Sakamoto

36

Koshiro Sakamoto

  • ERA

    ERA1.13

  • strike out rate

    K/910.13

  • BB rate

    BB/95.63

*FY2026

  • Biography

    Josuikan High School - Nippon Bunri University - Nippon Steel & Sumitomo Metal Hirohata - Tokyo Yakult (2019 - part of 2022) -Chiba Lotte Marines (part of 2022 -)

  • Titles won

Participation results

Season results

ERA 1.13 Appearance 8
CG 0 SHO 0
No Walk 0 Wins 2
Lose 1 H 1
Holds 3 Saves 0
W-L % .667 IP 8.0
hitter 35 HR 0
Strike Outs 9 BB 5
Hit By Pitch 0 Wild pitch 0
Bork 0 Runs Allowed 2
earned runs 1 BB/9 5.63
K/9 10.13 K/BB 1.80
WHIP 1.38 Avg .214
BABIP .286

Results by condition

pitcher statistics: by game
date result IP Number of pitch hitter H HR SO BB Hit By Pitch Runs Allowed earned runs ERA
June​ 1.0 25 4 0 0 1 1 0 0 0 0.00
6/5 1 25 4 0 0 1 1 0 0 0 1.13
5/27 Win 1 20 4 0 0 1 1 0 1 1 1.29
5/24 2 29 9 2 0 1 1 0 0 0 0.00
4/21 Win 1 22 6 1 0 0 2 0 0 0 0.00
4/17 Loss 0.2 14 4 2 0 2 0 0 1 0 0.00
4/16 H 1 13 3 0 0 2 0 0 0 0 0.00
4/14 1 11 3 0 0 2 0 0 0 0 0.00
4/7 0.1 8 2 1 0 0 0 0 0 0 0.00
hitter statistics: by game
date AB H HR R RBI SO BB HBP SB SAC AVG Batting results (video)
June​ 0 0 0 0 0 0 0 0 0 0 -
6/5 0 0 0 0 0 0 0 0 0 0 .---
5/27 0 0 0 0 0 0 0 0 0 0 .---
5/24 0 0 0 0 0 0 0 0 0 0 .---
4/21 0 0 0 0 0 0 0 0 0 0 .---
4/17 0 0 0 0 0 0 0 0 0 0 .---
4/16 0 0 0 0 0 0 0 0 0 0 .---
4/14 0 0 0 0 0 0 0 0 0 0 .---
4/7 0 0 0 0 0 0 0 0 0 0 .---
pitcher statistics: by year
year Team ERA Appearance CG SHO No Walk Wins Lose H HP SV W-L % IP hitter HR SO BB Hit By Pitch Wild pitch Bork BB/9 K/9 K/BB WHIP Avg BABIP
2019 5.82 19 0 0 0 0 0 3 3 0 .000 21.2 104 2 15 16 2 2 0 6.65 6.23 0.94 1.75 .262 .290
2020 12.00 1 0 0 0 0 0 0 0 0 .000 3.0 19 1 3 4 1 0 0 12.00 9.00 0.75 3.00 .357 .400
2021 4.05 36 0 0 0 1 2 7 8 0 .333 33.1 148 4 25 17 3 2 0 4.59 6.75 1.47 1.38 .238 .253
2022 9.28 7 0 0 0 0 1 0 0 0 .000 10.2 59 4 11 9 1 2 0 7.59 9.28 1.22 2.25 .319 .324
2022 4.15 7 0 0 0 0 0 1 1 0 .000 8.2 34 3 6 1 0 0 0 1.04 6.23 6.00 1.15 .273 .250
2023 3.21 51 0 0 0 1 0 16 17 0 1.000 47.2 209 5 48 22 2 2 0 4.15 9.06 2.18 1.43 .256 .311
2024 5.73 37 0 0 0 1 2 11 12 0 .333 33.0 146 3 34 12 5 2 0 3.27 9.27 2.83 1.39 .274 .337
2025 6.35 8 0 0 0 1 2 2 3 0 .333 5.2 28 0 3 4 2 0 0 6.35 4.76 0.75 1.76 .273 .316
2026 1.13 8 0 0 0 2 1 1 3 0 .667 8.0 35 0 9 5 0 0 0 5.63 10.13 1.80 1.38 .214 .286
Overall record 4.77 174 0 0 0 6 8 41 47 0 .429 171.2 782 22 154 90 16 10 0 4.72 8.07 1.71 1.53 .263 .300

2026/6/7 03:08 更新

hitter statistics: by year
year Team AVG GP PA AB H 2B 3B HR TB RBI R SO BB HBP SAC SF SB CS GIDP SLG OPS ISO ISOD BB/K BABIP AB/HR
2019 .000 19 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 .000 .000 .000 .000 - - -
2020 .000 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 .000 .000 .000 .000 - - -
2021 .000 36 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 .000 .000 .000 .000 - - -
2022 .000 7 1 1 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 .000 .000 .000 .000 .000 - -
2022 .000 7 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 .000 .000 .000 .000 - - -
2023 .000 51 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 .000 .000 .000 .000 - - -
2024 .000 37 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 .000 .000 .000 .000 - - -
2025 .000 8 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 .000 .000 .000 .000 - - -
2026 .000 8 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 .000 .000 .000 .000 - - -
Overall record .000 174 1 1 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 .000 .000 .000 .000 .000 - -

2026/6/7 03:08 更新

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Koshiro Sakamoto