| Personal information | |||
|---|---|---|---|
| Full name | John David Klein III | ||
| Date of birth | November 7, 1999 | ||
| Place of birth | Kansas City, Missouri, United States | ||
| Height | 5 ft 7 in (1.70 m) | ||
| Position(s) | Attacking midfielder | ||
| Youth career | |||
| Sporting Kansas City | |||
| –2018 | Portland Timbers | ||
| College career | |||
| Years | Team | Apps | (Gls) |
| 2018–2022 | Saint Louis Billikens | 88 | (29) |
| Senior career* | |||
| Years | Team | Apps | (Gls) |
| 2018 | Portland Timbers 2 | 0 | (0) |
| 2019 | Chicago FC United | 10 | (4) |
| 2021 | St. Louis Scott Gallagher | 8 | (4) |
| 2022 | Kaw Valley FC | 0 | (0) |
| 2023–2024 | St. Louis City 2 | 50 | (19) |
| 2023–2024 | St. Louis City | 12 | (1) |
| *Club domestic league appearances and goals, correct as of October 27, 2024 | |||
John David Klein III (born November 7, 1999) is an American professional soccer player who plays as a midfielder.