The manga comes from writer/artist Yuji Terajima who began the work back in 2006 in Weekly Shonen Magazine.
The anime adaptation is produced by Madhouse and Production I.G. Series concept: I want to pitch to that mitt again…
The next thing up is the fifth opening song “Sora ga Aozora de Aru Tame ni” by GLAY and the fifth ending theme song “PROMISED FIELD” by Seidō High School Baseball Team.
Ace of the Diamond - Opening 5 | Sora ga Aozora de Aru Tame ni