- Bats Right, Throws Right
- Height 6' 2", Weight 190 lb.
- High School Nissei Gakuen Daisan High School
Yoshinori Yamarin began his minor league career in 2010. Yamarin, whose fastball peaked in the low 90s, was undrafted out of high school by teams in Nippon Pro Baseball. In January 2009, he signed with the Atlanta Braves. He made his pro debut June 22 for the GCL Braves against the GCL Tigers, working two scoreless innings with one hit, one walk and one strikeout. 2010 was his only season in pro ball.