Magnum Ace

A Baseball Leaguer who plays the position of pitcher. While he has the bearings of a wise and hardened veteran, he is humble, down-to-earth, and kind, willing go to any lengths to help or save someone in trouble.

While his origins are shrouded in mystery, he joins the weakest team of the League, Silver Castle, lends them his strength, and helps them to spread their principles of kindness and fair play throughout the Iron League.

His signature pitch is the magic ball 44 Sonic.

(Source: Shippuu! Iron Leaguer Wiki)