Koshiro Sakamoto

Chiba Lotte Marines

Chiba Lotte Marines

Koshiro Sakamoto

Koshiro Sakamoto

36

Koshiro Sakamoto

  • ERA

    ERA3.97

  • strike out rate

    K/910.32

  • BB rate

    BB/94.24

*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 3.97 Appearance 28
CG 0 SHO 0
No Walk 0 Wins 2
Lose 1 H 1
Holds 3 Saves 0
W-L % .667 IP 34.0
hitter 147 HR 1
Strike Outs 39 BB 16
Hit By Pitch 4 Wild pitch 0
Bork 0 Runs Allowed 17
earned runs 15 BB/9 4.24
K/9 10.32 K/BB 2.44
WHIP 1.32 Avg .238
BABIP .322

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
September​ 6.2 104 26 5 0 8 2 1 3 3 4.05
9/28 0.1 18 4 1 0 0 1 1 3 3 3.97
9/22 0.2 12 3 1 0 1 0 0 0 0 3.21
9/19 1 17 4 0 0 2 1 0 0 0 3.27
9/16 2 25 6 1 0 3 0 0 0 0 3.38
9/11 1.2 20 6 2 0 1 0 0 0 0 3.60
9/10 1 12 3 0 0 1 0 0 0 0 3.81
8/11 1 45 8 3 0 1 2 0 4 4 3.95
8/7 2 39 11 0 0 3 1 3 1 0 2.73
8/5 1 15 5 1 0 1 1 0 0 0 2.96
7/31 1 17 6 2 0 1 1 0 1 1 3.09
7/18 2 32 7 1 0 4 0 0 0 0 2.82
7/15 1 18 5 3 0 0 0 0 2 2 3.10
7/14 0.2 2 1 0 0 0 0 0 0 0 2.33
7/11 3 43 11 1 0 2 1 0 0 0 2.41
7/5 1 17 3 0 0 1 1 0 0 0 2.87
7/4 1 13 4 0 0 2 1 0 0 0 3.07
6/23 1 15 4 1 0 1 0 0 0 0 3.29
6/13 1.2 32 9 3 1 1 1 0 3 3 3.55
6/10 2 29 8 2 0 4 0 0 1 1 1.64
6/7 1 13 4 1 0 1 0 0 0 0 1.00
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)
September​ 0 0 0 0 0 0 0 0 0 0 -
9/28 0 0 0 0 0 0 0 0 0 0 .---
9/22 0 0 0 0 0 0 0 0 0 0 .---
9/19 0 0 0 0 0 0 0 0 0 0 .---
9/16 0 0 0 0 0 0 0 0 0 0 .---
9/11 0 0 0 0 0 0 0 0 0 0 .---
9/10 0 0 0 0 0 0 0 0 0 0 .---
8/11 0 0 0 0 0 0 0 0 0 0 .---
8/7 0 0 0 0 0 0 0 0 0 0 .---
8/5 0 0 0 0 0 0 0 0 0 0 .---
7/31 0 0 0 0 0 0 0 0 0 0 .---
7/18 0 0 0 0 0 0 0 0 0 0 .---
7/15 0 0 0 0 0 0 0 0 0 0 .---
7/14 0 0 0 0 0 0 0 0 0 0 .---
7/11 0 0 0 0 0 0 0 0 0 0 .---
7/5 0 0 0 0 0 0 0 0 0 0 .---
7/4 0 0 0 0 0 0 0 0 0 0 .---
6/23 0 0 0 0 0 0 0 0 0 0 .---
6/13 0 0 0 0 0 0 0 0 0 0 .---
6/10 0 0 0 0 0 0 0 0 0 0 .---
6/7 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 3.97 28 0 0 0 2 1 1 3 0 .667 34.0 147 1 39 16 4 0 0 4.24 10.32 2.44 1.32 .238 .322
Overall record 4.78 194 0 0 0 6 8 41 47 0 .429 197.2 894 23 184 101 20 10 0 4.60 8.38 1.82 1.50 .261 .304

2026/10/3 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 28 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 .000 .000 .000 .000 - - -
Overall record .000 194 1 1 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 .000 .000 .000 .000 .000 - -

2026/10/3 03:08 更新

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Koshiro Sakamoto