Koshiro Sakamoto

Chiba Lotte Marines

Chiba Lotte Marines

Koshiro Sakamoto

Koshiro Sakamoto

36

Koshiro Sakamoto

  • ERA

    ERA6.35

  • strike out rate

    K/94.76

  • BB Rate

    BB/96.35

*Fiscal year 2025

  • Biography

    Joshuikan High School - Nippon Bunri University - Nippon Steel Sumitomo Metal Hirohata - Tokyo Yakult ('19-mid-'22) -Chiba Lotte Marines (mid-'22 onwards)

  • Titles won

Participation results

Season results

ERA 6.35 Appearance 8
CG 0 SHO 0
No Walk 0 Wins 1
Lose 2 H 2
Holds 3 Saves 0
W-L % .333 IP 5.2
hitter 28 HR 0
Strike Outs 3 BB 4
Hit By Pitch 2 Wild pitch 0
Bork 0 Runs Allowed 4
earned runs 4 BB/9 6.35
K/9 4.76 K/BB 0.75
WHIP 1.76 Avg .273
BABIP .316

Results by condition

pitcher performance: By game
date result IP Number of pitch hitter H HR SO BB Hit By Pitch Runs Allowed earned runs ERA
July​ 0.1 11 3 0 0 1 1 1 2 2 54.00
7/4 0.1 11 3 0 0 1 1 1 2 2 6.35
6/11 H 0.1 14 3 1 0 0 1 0 0 0 3.38
6/8 Loss 0.1 12 4 1 0 1 1 1 1 1 3.60
6/6 Loss 1 22 5 2 0 0 1 0 1 1 1.93
6/5 Win 1 19 5 2 0 0 0 0 0 0 0.00
5/31 H 0.2 6 2 0 0 0 0 0 0 0 0.00
5/24 1 9 3 0 0 1 0 0 0 0 0.00
5/23 1 7 3 0 0 0 0 0 0 0 0.00
hitter performance: By game
date AB H HR R RBI SO BB HBP SB SAC AVG Batting results (video)
July​ 0 0 0 0 0 0 0 0 0 0 -
7/4 0 0 0 0 0 0 0 0 0 0 .---
6/11 0 0 0 0 0 0 0 0 0 0 .---
6/8 0 0 0 0 0 0 0 0 0 0 .---
6/6 0 0 0 0 0 0 0 0 0 0 .---
6/5 0 0 0 0 0 0 0 0 0 0 .---
5/31 0 0 0 0 0 0 0 0 0 0 .---
5/24 0 0 0 0 0 0 0 0 0 0 .---
5/23 0 0 0 0 0 0 0 0 0 0 .---
pitcher performance: 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
Overall record 4.95 166 0 0 0 4 7 40 44 0 .364 163.2 747 22 145 85 16 10 0 4.67 7.97 1.71 1.53 .265 .301

2025/12/5 03:08 更新

hitter performance: 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 - - -
Overall record .000 166 1 1 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 .000 .000 .000 .000 .000 - -

2025/12/5 03:08 更新

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Koshiro Sakamoto