Diamond No Ace

Diamond No Ace AKA Ace of Diamond (ダイヤのA) is a shōnen baseball manga written and illustrated by Yūji Terajima and published by Kodansha. It has been serialized by Weekly Shōnen Magazine since 2006. In 2008, Ace of Diamond received the Shogakukan Manga Awards for the shōnen category. In 2010, it won the Kodansha Manga Award for best shōnen manga.

The story follows Sawamura Sakai on his journey from his rural school to a private school and his dream to be the ace for a baseball team and win the Koshien.

This series contains examples of:

 * Author Stand In: Yuji Terajima is a former baseball player.
 * But Not Too Foreign: Chris
 * Fragile Speedster: Furuya, whose weakpoint is his nails.
 * Game-Breaking Injury: Chris's shoulder, which he's trying to rehab.
 * Jerkass Facade: Chris
 * Scary Shiny Glasses: Miyuki
 * Stealth Mentor: Chris