• Central League
  • Hanshin Tigers
  • Yokohama DeNA BayStars
  • Yomiuri Giants
  • Chunichi Dragons
  • Hiroshima Toyo Carp
  • Tokyo Yakult Swallows
  • Pacific League
  • Fukuoka Softbank Hawks
  • Hokkaido Nippon-Ham Fighters
  • ORIX Buffaloes
  • Tohoku Rakuten Golden Eagles
  • Saitama Seibu Lions
  • Chiba Lotte Marines
  • Japan Baseball

Players

  • 64
  • Chiba Lotte Marines
  • Hiroike, Koshiro
Position Pitcher
Bats / Throws Left / Right
Height / Weight 185cm/ 85kg
Born September 16, 2002
Year Team G W L SV HLD HP CG SHO PCT BF IP H HR BB HB SO WP BK R ER ERA
2025 Lotte 18 1 3 0 4 5 0 0 .250 87
20 .1
21 4 6 0 20 0 0 11 11 4.87
2026 Lotte 10 2 2 0 0 0 0 0 .500 223
54
47 3 11 6 40 0 0 22 19 3.17
Totals 28 3 5 0 4 5 0 0 .375 310
74 .1
68 7 17 6 60 0 0 33 30 3.63
Year Team G PA AB R H 2B 3B HR TB RBI SB CS SH SF BB HP SO GDP AVG SLG OBP
2025 Lotte 18 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 .000 .000 .000
2026 Lotte 10 4 2 0 0 0 0 0 0 0 0 0 2 0 0 0 1 0 .000 .000 .000
Totals 28 4 2 0 0 0 0 0 0 0 0 0 2 0 0 0 1 0 .000 .000 .000