The list
| # | Player | Born | Borussia Mönchengladbach | Union Berlin |
|---|---|---|---|---|
| 1 | Max Kruse | 1988 | 2013–2015 | 2020–2022 |
| 2 | Woo-yeong Jeong | 1999 | 2019 | 2024–2025, 2025– |
| 3 | Jordan | 1996 | 2023–2024 | 2022–2025 |
| 4 | Marvin Friedrich | 1995 | 2022–2026 | 2018–2022, 2026– |
| 5 | Leon Dajaku | 2001 | 2018 | 2021 |
| 6 | Moritz Nicolas | 1997 | ?– | 2020 |
| 7 | Heiner Backhaus | 1982 | — | 2002–2003 |
| 8 | Macchambes Younga-Mouhani | 1974 | 1995–1996 | 2007–2011 |
| 9 | László Bénes | 1997 | 2017–2022 | 2024–2025 |
| 10 | Marco Küntzel | 1976 | 2001–2003 | 1995–1998 |
Which way they moved
- Borussia Mönchengladbach first, then Union Berlin: 5
- Union Berlin first, then Borussia Mönchengladbach: 3
Test yourself
Three more club pairs: name one player for each.
Play it
In Who Played Both you and your opponent secretly pick a club each. If the clubs are Borussia Mönchengladbach and Union Berlin, the first to name one of the players above in 15 seconds wins the round.
More pairs with Borussia Mönchengladbach
- Borussia Mönchengladbach – Fortuna Düsseldorf 33 players
- Borussia Mönchengladbach – Schalke 04 30 players
- Borussia Mönchengladbach – Hertha BSC 27 players
- Bayern München – Borussia Mönchengladbach 26 players
- Arminia Bielefeld – Borussia Mönchengladbach 24 players
- Borussia Mönchengladbach – Nürnberg 23 players
- Bayer Leverkusen – Borussia Mönchengladbach 21 players
- Borussia Mönchengladbach – Eintracht Frankfurt 21 players
Borussia Mönchengladbach: every club it shares players with
More pairs with Union Berlin
- Schalke 04 – Union Berlin 19 players
- Hannover 96 – Union Berlin 19 players
- Hertha BSC – Union Berlin 19 players
- Union Berlin – Wolfsburg 19 players
- St. Pauli – Union Berlin 17 players
- Union Berlin – VfL Bochum 17 players
- Holstein Kiel – Union Berlin 17 players
- Arminia Bielefeld – Union Berlin 16 players
Union Berlin: every club it shares players with
Source: Wikidata (CC0), Wikipedia club articles and player infoboxes (years at each club). Youth spells and appearances that look unplayed are left out; volunteer-kept records can contain gaps or errors.