It was announced that baseball manga "Ace of Diamond
" (Diaya no A) will get be adapted into a TV anime series. It is scheduled to be released for the fall season this year. The manga is serialized in Shounen Magazine, and so far 35 volumes have been released.
Official anime website: http://diaace.com/
Official manga website: http://kc.kodansha.co.jp/SEP/02065/diaace/
Update: The anime will be a collaboration project between Madhouse and Production I.G.
Diamond no Ace