Masafumi Hirai (平井 正史, born April 21, 1975) is a Japanese former professional baseball pitcher. Hirai played in Nippon Professional Baseball (NPB) for the Orix BlueWave/Buffaloes from 1994 to 2002 and from 2013 to 2014, and the Chunichi Dragons from 2003 to 2012.
Source: “Masafumi Hirai”, English Wikipedia (CC BY-SA 4.0), excerpt