Hideaki Matsuyama (松山 秀明, Matsuyama Hideaki; born April 18, 1967) is a Japanese former professional baseball infielder, and current the second squad manager for the Fukuoka SoftBank Hawks of Nippon Professional Baseball (NPB). He previously played for the Orix Blue Wave.
Source: “Hideaki Matsuyama”, English Wikipedia (CC BY-SA 4.0), excerpt