|Manga||Act I - Chapter 322|
|Anime||S2 - Episode 28|
|Voice Actor||Nakata Jouji|
Sakaki Eijirou is the former coach of the Seidou High School Baseball Team. He then became head coach at Hosei University before returning to coaching High School Baseball at Yura Technical High School in West Tokyo.
Relationships with other CharactersEdit
He is his former coach and mentor.
- "I came to declare war on you, Tesshin." - to Kataoka 
- "I don't have much time left [till retirement] to work as a coach, so... Don't run away, Tesshin." - to Kataoka