Nippon Professional Baseball
Orix Buffaloes
- Shunpeita YamashitaPOut
Right elbow Tommy John surgery (May 15)
- Kohei AzumaPOut
Right elbow UCL damage plus internal brace surgery (Sep 5)
- Naruki TeranishiPInjured list
Left biceps femoris tear (Aug 16)
- Ryuhei SotaniPInjured list
Left elbow discomfort (Sep 17)
- Hiroya MiyagiPOut
Left elbow Tommy John surgery (May 20)
- Daiki TajimaPInjured list
Left elbow flexor injury (Sep 15)
- Tomoya MoriCOut
Left wrist arthroscopic synovectomy (Aug 26) — effectively out for the season
- Sho FukunagaCInjured list
Left temporal laceration (Sep 1)
- Ryu SugisawaOFOut
Wrist ligament repair surgery (Sep 2)
- Keita NakagawaIFInjured list
Left side (rib) discomfort (Sep 10)
Among the most injured of the 12 clubs. Shigeru Endo traded away (Jul 26), Yoshihisa Hirano (42) retired (Aug 9), signed foreign player Sean Jimenez (Jan 10)
Hokkaido Nippon-Ham Fighters
- Tsubasa NamatamePInjured list
Left oblique injury (Aug 20) · Expected return: 6–8 weeks expected
- Takumi YamamotoPOut
Right elbow cleanup surgery (Jun 23) · Expected return: Targeting return about 3 months after surgery
- Haruka NemotoPOut
Left elbow arthroscopic surgery (Aug 28)
- Naoki ArizonoIF/OFOut
Left hamate bone removal surgery (Apr 22) · Expected return: Aiming to resume batting practice within 4 weeks
- Franmil ReyesOFInjured list
Right hamstring injury (Sep 16) · Expected return: About 2 weeks expected
Takuya Nakashima (35) announced retirement (Sep 11); signed Lyle Lin (Taiwan WBC) (Mar 12) and Rodolfo Castro (Jan 14). Developmental-player swap with Chunichi (Jul 3, Haruki Miyauchi ↔ Toki Hiwatari)