Jirō Yamaguchi (山口 次郎, Yamaguchi Jirō) is a non-recurring character in Hajime no Ippo.
Jirō is a featherweight professional boxer that fought against Eiji Date in his tenth match. Jirō was Date's last opponent before he relinquished his JBC featherweight title.
Background[]
At some point, Jirō challenged Eiji Date for his JBC featherweight title. Jirō lost by knockout in the first round. Jirō's status beyond the match is unknown.
Match History[]
| Match History | ||||||||
|---|---|---|---|---|---|---|---|---|
| # | Result | Record | Date | Opponent | Location | Time | Type | Notes |
| ? | LOSS | ?-?-? | 198X |  Eiji Date[1]
|
Tokyo, Japan | 1(10) | KO | JBC Featherweight Title Match |
Etymology[]
- The name Jirō means "next" (次) (ji) and "son" (郎) (rō).
- Jirō's surname Yamaguchi means "mountain, hill" (山) (yama) and "mouth, entrance" (口) (kuchi/guchi).