Kazumasa Yoshida

is a Japanese professional baseball pitcher who is a free agent. He has previously played in Nippon Professional Baseball (NPB) for the Orix Buffaloes, and in the Chinese Professional Baseball League (CPBL) for the TSG Hawks.

Career Orix Buffaloes Yoshida was drafted by the Orix Buffaloes in the 1st round of the 2013 NPB draft. He made 226 total appearances for Orix spanning seven seasons, compiling an 18–20 record and 3.74 ERA with 269 strikeouts across innings pitched. Yoshida was released by the Buffaloes during the 2021 season, after he struggled to a 7.66 ERA in 24 games for their farm team.

Niigata Albirex Yoshida signed with the Niigata Albirex of the Baseball Challenge League for the 2022 season. In 2024, the club became the Oisix Niigata Albirex, and joined the Eastern League. In 34 appearances for the team in 2024, Yoshida recorded a 2.34 ERA with 30 strikeouts across innings of work.

TSG Hawks On August 1, 2024, Yoshida signed with the TSG Hawks of the Chinese Professional Baseball League. In 15 appearances down the stretch, he recorded an 0.57 ERA with seven strikeouts and two saves across innings pitched.

Yoshida made 13 starts for the Hawks in 2025, compiling a 3-6 record and 5.10 ERA with 54 strikeouts over 67 innings of work. Yoshida was released by the team on August 23, 2025.