Leon Flach
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 Flach in 2025 with Jagiellonia Białystok | |||
| Personal information | |||
|---|---|---|---|
| Full name | Leon Maximilian Flach[1] | ||
| Date of birth | February 28, 2001 | ||
| Place of birth | Humble, Texas, United States | ||
| Height | 5 ft 10 in (1.78 m)[2] | ||
| Position(s) | |||
| Team information | |||
Current team | Jagiellonia Białystok | ||
| Number | 31 | ||
| Youth career | |||
| 2006–2008 | Sereetzer SV | ||
| 2008–2016 | VfB Lübeck | ||
| 2016–2020 | FC St. Pauli | ||
| Senior career* | |||
| Years | Team | Apps | (Gls) |
| 2020–2021 | FC St. Pauli | 9 | (1) |
| 2020 | FC St. Pauli II | 3 | (1) |
| 2021–2024 | Philadelphia Union | 116 | (2) |
| 2025– | Jagiellonia Białystok | 32 | (1) |
| International career | |||
| 2019 | Germany U18 | 2 | (0) |
| 2020 | United States U20 | 2 | (0) |
| * Club domestic league appearances and goals as of March 1, 2026 | |||
Leon Maximilian Flach (born February 28, 2001) is an American professional soccer player who plays as a midfielder or left-back for Polish club Jagiellonia Białystok.[3][4][5]
FC St. Pauli
Flach made his professional debut for FC St. Pauli in the 2. Bundesliga on September 27, 2020, coming on as a substitute in the 85th minute for Jannes Wieckhoff against 1. FC Heidenheim, which finished as a 4–2 home win.[6]
Flach scored his first professional goal for FC St. Pauli on January 3, 2021, scoring in the 82nd minute against Greuther Fürth in a 2–1 loss.[7]
Philadelphia Union
In March 2021, Flach signed a two-year contract with Philadelphia Union competing in Major League Soccer.[8] Flach's debut with the Union was starting in the club's first CONCACAF Champions League match, defeating Deportivo Saprissa 1–0.[9] Flach scored his first goal for the Union on October 3 against reigning MLS Champions, Columbus Crew in a 3–0 win.[10] His performances throughout the 2021 season made Flach a regular starter in the Union midfield and was recognized as being named among the MLS's 22 under 22.[11]
Jagiellonia Białystok
On January 15, 2025, free agent Flach joined Polish defending champions and UEFA Conference League participants Jagiellonia Białystok on a two-and-a-half-year deal, with an option for another year.[12]
Personal life
Flach was born in Texas to German parents while his father was working in Houston before returning to Hamburg as a child. He has represented Germany and the United States at youth level. Flach is a fan of the Houston Texans.[3]
