Player Directory
Tohoku Rakuten Golden Eagles
Kosei Koga
Kosei Koga
61
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ERA
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strike out rate
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BB rate
BB/9---
*FY2026
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Pitching and batting
left-handed pitcher / left-handed hitter
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Biography
Shimonoseki Kokusai High School ~ 2023 Rakuten Eagles Dragons Development Player ②
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Titles won
article
![[Miyazaki PL] 16 hit Inuwashi great win with 11 goals Kosei Koga is 6 in 7 hit 2 runs (earned runs 1)](https://media.insight.pacificleague.com/Tf9PKM0EgdJcQxqmJz07hoFHUQibtNyuoCELsdB7.jpg)
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![[Farm] Kosei Koga pitches no runs through the eighth inning as Tohoku Rakuten stops its losing streak](https://media.insight.pacificleague.com/webp/D7vlGGvRiG9CK7NEJpvXnTXnUuWRqm09DEw94xnC.webp)
[Farm] Kosei Koga pitches no runs through the eighth inning as Tohoku Rakuten stops its losing streak
Pacific League Insight
2025.9.11(木) 15:18
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![[Farm] Kosei Koga pitched well, allowing 6 hit 2 runs in 8.2 innings! Tohoku Rakuten win](https://media.insight.pacificleague.com/webp/cFGq5Ttq7rGy6bK9zJ5mlG3k0NWwUTROKzpmblcd.webp)
[Farm] Kosei Koga pitched well, allowing 6 hit 2 runs in 8.2 innings! Tohoku Rakuten win
Pacific League Insight
2025.8.9(土) 16:03
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Tohoku Rakuten Eagles, who scored 5 runs in the first inning, win started and Kosei Koga in the 6th inning 1 runs
Pacific League Insight
2024.9.28(土) 15:45
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![[Farm Team] Kosei Koga earns his first regular season win with 5 scoreless runs! Tohoku Rakuten Eagles wins a close game.](https://media.insight.pacificleague.com/YwVjYEU24wB1qipMR4aSgsSO5DlboOIIYFSVEfFb.jpeg)
[Farm Team] Kosei Koga earns his first regular season win with 5 scoreless runs! Tohoku Rakuten Eagles wins a close game.
Pacific League Insight
2024.7.15(月) 16:46
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![[Farm League] Kosei Koga pitched brilliantly, allowing only one hit and striking out seven strike out runs hit, but the game ended in a tie after extra inning innings.](https://media.insight.pacificleague.com/F6E1sPxXEoA8Mqc9VK9Wt5d2Jr05xbewo1fFK3Bz.jpeg)
[Farm League] Kosei Koga pitched brilliantly, allowing only one hit and striking out seven strike out runs hit, but the game ended in a tie after extra inning innings.
Pacific League Insight
2024.5.30(木) 16:50
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What were the rookie performances this year...? Highlights from "Rakuten Eagles Fan Appreciation Day 2023"
Pacific League Insight
2023.11.24(金) 17:00
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Tohoku Rakuten Eagles renews contracts with four development players, including Sotaro Nagata
Pacific League Insight
2023.11.6(月) 23:27
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Tohoku Rakuten Eagles held a press conference to announce their new players for the 2023 season. Draft pick #1, Kosei Shoji, "I want to win the Sawamura Award someday."
Pacific League Insight
2022.12.13(火) 07:01
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![After competing with Chiba Lotte Marines they acquired the negotiation rights for Kosei Shoji. 2022 Draft Selection List [Tohoku Rakuten]](https://media.insight.pacificleague.com/EGeYrcEpo2zxk0w3kCESUcCxCFLoGxRcLLfLSK01.jpeg)
After competing with Chiba Lotte Marines they acquired the negotiation rights for Kosei Shoji. 2022 Draft Selection List [Tohoku Rakuten]
Pacific League Insight
2022.10.20(木) 20:32
