3x37 - Ace of Diamond

Taking the mound in the seventh inning against the American Wynd Youth team, Narumiya strikes out their cleanup batter Carlisle, but his last swing is so hard, it goes full circle and hits catcher Inui in the head. Coach Kunitomo decides to switch catchers. As Miyuki dons the catcher's mask, he and Narumiya form a battery that should be impossible. Meanwhile, Seido is playing Yamamori Academy in a practice game. With Miyuki away, Ono is making impressive gutsy plays, until there's an accident...