Koyo Aoyagi
Koyo Aoyagi
Born: December 11, 1993
, JP
Primary Position: Pitcher
Bats: Right
Throws: Right
Height: 5'11"
Weight: 174
Career: 2016-2025
Koyo Aoyagi compiled a career record of 53 wins and 41 losses and a 2.89 ERA in his 136-game pitching career with the Hanshin Tigers, Reading Fightin Phils and Lehigh Valley IronPigs. He began playing during the 2016 season and last took the field during the 2025 campaign.
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Pitching:
| Year | Level | Lg | Team | W | L | W% | ERA | G | GS | GF | CG | SHO | SV | IP | H | R | ER | HR | BB | IBB | SO | HBP | BK | WP | BF |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2016 | Foreign Major | JPCL | Hanshin Tigers | 4 | 5 | .444 | 3.29 | 13 | 0 | 0 | 0 | 68.3 | 41 | 31 | 25 | 1 | 40 | 0 | 52 | 8 | 0 | 2 | 289 | ||
| 2017 | Foreign Major | JPCL | Hanshin Tigers | 4 | 4 | .500 | 3.22 | 12 | 12 | 0 | 0 | 0 | 0 | 64.3 | 53 | 32 | 23 | 2 | 28 | 0 | 50 | 10 | 0 | 0 | 282 |
| 2018 | Foreign Major | JPCL | Hanshin Tigers | 1 | 1 | .500 | 3.32 | 4 | 0 | 0 | 0 | 21.7 | 23 | 8 | 8 | 1 | 6 | 0 | 22 | 0 | 0 | 1 | 93 | ||
| 2019 | Foreign Major | JPCL | Hanshin Tigers | 9 | 9 | .500 | 3.14 | 25 | 1 | 1 | 0 | 143.3 | 145 | 56 | 50 | 14 | 42 | 3 | 100 | 12 | 1 | 0 | 601 | ||
| 2020 | Foreign Major | JPCL | Hanshin Tigers | 7 | 9 | .438 | 3.36 | 21 | 1 | 0 | 0 | 120.7 | 111 | 51 | 45 | 4 | 44 | 3 | 88 | 5 | 0 | 2 | 510 | ||
| 2021 | Foreign Major | JPCL | Hanshin Tigers | 13 | 6 | .684 | 2.48 | 25 | 0 | 0 | 0 | 156.3 | 143 | 48 | 43 | 11 | 48 | 8 | 104 | 3 | 0 | 0 | 651 | ||
| 2022 | Foreign Major | JPCL | Hanshin Tigers | 13 | 4 | .765 | 2.05 | 24 | 4 | 2 | 0 | 162.3 | 126 | 46 | 37 | 7 | 32 | 4 | 132 | 8 | 0 | 0 | 644 | ||
| 2023 | Foreign Major | JPCL | Hanshin Tigers | 8 | 6 | .571 | 4.57 | 18 | 0 | 0 | 0 | 100.3 | 102 | 54 | 51 | 6 | 38 | 2 | 64 | 9 | 0 | 3 | 439 | ||
| 2024 | Foreign Major | JPCL | Hanshin Tigers | 2 | 3 | .400 | 3.69 | 12 | 0 | 0 | 0 | 61.0 | 66 | 31 | 25 | 2 | 21 | 1 | 35 | 6 | 1 | 1 | 269 | ||
| 2025 | AA | EL | Reading Fightin Phils | 1 | 2 | .333 | 6.60 | 4 | 4 | 0 | 0 | 0 | 0 | 15.0 | 10 | 11 | 11 | 4 | 15 | 0 | 12 | 3 | 0 | 1 | 66 |
| 2025 | AAA | IL | Lehigh Valley IronPigs | 0 | 1 | .000 | 7.20 | 19 | 2 | 6 | 0 | 0 | 0 | 20.0 | 21 | 19 | 16 | 2 | 23 | 0 | 16 | 4 | 0 | 1 | 106 |
| Totals | 53 | 41 | .564 | 2.89 | 136 | 12 | 0 | 6 | 3 | 0 | 798.0 | 708 | 303 | 256 | 42 | 261 | 19 | 583 | 52 | 2 | 6 | 3339 |
Batting:
| Year | Level | Lg | Team | GP | PA | AB | R | H | 2B | 3B | HR | RBI | SB | CS | BB | SO | BA | OBP | SLG | OPS | TB | DP | HBP | SH | SF | IBB |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2016 | Foreign Major | JPCL | Hanshin Tigers | 13 | 19 | 17 | 0 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 9 | .118 | .118 | .176 | .294 | 3 | 0 | 0 | 2 | 0 | 0 |
| 2017 | Foreign Major | JPCL | Hanshin Tigers | 12 | 22 | 21 | 0 | 2 | 1 | 0 | 0 | 2 | 0 | 0 | 0 | 7 | .095 | .095 | .143 | .238 | 3 | 0 | 0 | 1 | 0 | 0 |
| 2018 | Foreign Major | JPCL | Hanshin Tigers | 4 | 8 | 7 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .143 | .250 | .143 | .393 | 1 | 0 | 1 | 0 | 0 | 0 |
| 2019 | Foreign Major | JPCL | Hanshin Tigers | 25 | 43 | 37 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 19 | .000 | .026 | .000 | .026 | 0 | 3 | 0 | 4 | 1 | 0 |
| 2020 | Foreign Major | JPCL | Hanshin Tigers | 21 | 39 | 31 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 19 | .032 | .062 | .032 | .095 | 1 | 0 | 0 | 7 | 0 | 0 |
| 2021 | Foreign Major | JPCL | Hanshin Tigers | 25 | 51 | 43 | 3 | 7 | 1 | 0 | 0 | 2 | 0 | 0 | 1 | 25 | .163 | .182 | .186 | .368 | 8 | 1 | 0 | 7 | 0 | 0 |
| 2022 | Foreign Major | JPCL | Hanshin Tigers | 24 | 54 | 50 | 2 | 7 | 0 | 0 | 0 | 2 | 0 | 0 | 1 | 26 | .140 | .157 | .140 | .297 | 7 | 1 | 0 | 3 | 0 | 0 |
| 2023 | Foreign Major | JPCL | Hanshin Tigers | 18 | 37 | 32 | 1 | 4 | 1 | 0 | 0 | 4 | 0 | 0 | 0 | 12 | .125 | .125 | .156 | .281 | 5 | 0 | 0 | 5 | 0 | 0 |
| 2024 | Foreign Major | JPCL | Hanshin Tigers | 12 | 18 | 12 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 1 | 5 | .000 | .071 | .000 | .071 | 0 | 0 | 0 | 4 | 1 | 0 |
| Totals | 136 | 254 | 218 | 6 | 20 | 3 | 0 | 0 | 9 | 0 | 0 | 5 | 110 | .092 | .115 | .106 | .221 | 23 | 5 | 1 | 28 | 2 | 0 |
Fielding:
| Year | Level | Lg | Team | Pos | GP | PO | A | E | DP | Fld% | RF/G |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 2016 | Foreign Major | JPCL | Hanshin Tigers | P | 13 | 10 | 8 | 3 | 0 | .857 | 1.385 |
| 2017 | Foreign Major | JPCL | Hanshin Tigers | P | 12 | 1 | 9 | 4 | 0 | .714 | .833 |
| 2018 | Foreign Major | JPCL | Hanshin Tigers | P | 4 | 1 | 3 | 0 | 0 | 1.000 | 1.000 |
| 2019 | Foreign Major | JPCL | Hanshin Tigers | P | 25 | 6 | 18 | 3 | 2 | .889 | .960 |
| 2020 | Foreign Major | JPCL | Hanshin Tigers | P | 21 | 6 | 25 | 1 | 0 | .969 | 1.476 |
| 2021 | Foreign Major | JPCL | Hanshin Tigers | P | 25 | 15 | 30 | 1 | 0 | .978 | 1.800 |
| 2022 | Foreign Major | JPCL | Hanshin Tigers | P | 24 | 8 | 29 | 1 | 1 | .974 | 1.542 |
| 2023 | Foreign Major | JPCL | Hanshin Tigers | P | 18 | 4 | 17 | 2 | 1 | .913 | 1.167 |
| 2024 | Foreign Major | JPCL | Hanshin Tigers | P | 12 | 5 | 8 | 0 | 0 | 1.000 | 1.083 |
| 2025 | AA | EL | Reading Fightin Phils | P | 4 | 0 | 1 | 0 | 1 | 1.000 | .250 |
| 2025 | AAA | IL | Lehigh Valley IronPigs | P | 19 | 2 | 0 | 1 | 0 | .667 | .105 |
| Totals | 91 | 38 | 76 | 11 | 2 | .912 | 1.253 |
Minor League Service:
| Year | Level | League | Team | Affiliation | First Appearance | Final Appearance |
|---|---|---|---|---|---|---|
| 2016 | Foreign Major | Japan Central League | Hanshin Tigers | |||
| 2017 | Foreign Major | Japan Central League | Hanshin Tigers | April 15, 2017 | September 1, 2017 | |
| 2018 | Foreign Major | Japan Central League | Hanshin Tigers | |||
| 2019 | Foreign Major | Japan Central League | Hanshin Tigers | |||
| 2020 | Foreign Major | Japan Central League | Hanshin Tigers | |||
| 2021 | Foreign Major | Japan Central | Hanshin Tigers | |||
| 2022 | Foreign Major | Japan Central League | Hanshin Tigers | |||
| 2023 | Foreign Major | Japan Central League | Hanshin Tigers | |||
| 2024 | Foreign Major | Japan Central League | Hanshin Tigers | |||
| 2025 | AA | Eastern League | Reading Fightin Phils | |||
| 2025 | AAA | International League | Lehigh Valley IronPigs |
Persons data from the Chadwick Baseball Bureau are Copyright Chadwick Baseball Bureau, and are made available under the Open Data Commons Attribution License.
