| Taishi Hirooka | |
| Position: | Infielder/Outfielder |
| Team: | Orix Buffaloes |
| Number: | 30 |
| Bats: | Right |
| Throws: | Right |
| Birth Date: | 9 April 1997 |
| Birth Place: | Abeno-ku, Osaka, Japan |
| Debutleague: | NPB |
| Debutdate: | September 29 |
| Debutyear: | 2016 |
| Debutteam: | Tokyo Yakult Swallows |
| Statyear: | 2023 season |
| Stat1label: | Batting average |
| Stat1value: | .206 |
| Stat2label: | Hits |
| Stat2value: | 154 |
| Stat3label: | Home runs |
| Stat3value: | 28 |
| Stat4label: | Runs batted in |
| Stat4value: | 84 |
| Stat5label: | Stolen bases |
| Stat5value: | 8 |
| Teams: |
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is a Japanese professional baseball infielder for the Orix Buffaloes of Nippon Professional Baseball (NPB). He has previously played in NPB for the Tokyo Yakult Swallows and Yomiuri Giants.
On October 22, 2015, Hirooka was drafted by the Tokyo Yakult Swallows in the 2015 Nippon Professional Baseball draft.[1]
On September 29, 2016, Hirooka debuted in the Central League against the Yokohama DeNA BayStars, and recorded his first Home run.[2]
In 2016 - 2020 season, he recorded in 236 games with a batting average of .214, a 21 home runs, a RBI of 54.
On March 1, 2021, Hirooka was traded to the Yomiuri Giants.[3] Hirooka played in 78 games for Yomiuri, hitting .189/.256/.387 with 5 home runs and 15 RBI. In 2022, Hirooka played in only 28 games for the Giants, struggling to a .180/.293/.280 slash line with no home runs and 4 RBI.[4]
On May 17, 2023, Hirooka was traded to the Orix Buffaloes in exchange for Kohei Suzuki (K–Suzuki).