Keisuke Kobayashi (小林 慶祐, Kobayashi, Keisuke; born November 2, 1992) is a Japanese professional baseball pitcher for the Oisix Niigata Albirex of the Baseball Challenge League (BCL). He has previously played in Nippon Professional Baseball (NPB) for the Orix Buffaloes and Hanshin Tigers.
Source: “Keisuke Kobayashi”, English Wikipedia (CC BY-SA 4.0), excerpt