← Brian O'Callaghan
Players similar to Brian O'Callaghan
Same position, similar age, comparable market value.
| # | Player | Position | Citizenship | Club | Born | Value |
|---|---|---|---|---|---|---|
| 1 |  Guerino Capretti | Defender - Centre-Back | Germany Italy | Retired | 1982 | — |
| 2 |  Gabriel Melkam | Defender - Centre-Back | Nigeria Germany | Retired | 1980 | — |
| 3 |  Markus Bollmann | Defender - Centre-Back | Germany | Retired | 1981 | — |
| 4 |  Dominique Ndjeng | Defender - Centre-Back | Germany Cameroon | Retired | 1980 | — |
| 5 |  Michael Zepek | Defender - Centre-Back | Germany | Retired | 1981 | — |
| 6 |  Mario Eggimann | Defender - Centre-Back | Switzerland | Retired | 1981 | — |
| 7 |  Milan Zagorac | Defender - Centre-Back | Serbia | Retired | 1980 | — |
| 8 |  Yakubu Adamu | Defender - Centre-Back | Nigeria | Retired | 1981 | — |
| 9 |  Tilman Sieverling | Defender - Centre-Back | Germany | Retired | 1982 | — |
| 10 |  Mitja Schäfer | Defender - Centre-Back | Germany | Retired | 1980 | — |
| 11 |  Stefan Buck | Defender - Centre-Back | Germany | Retired | 1980 | — |
| 12 |  Necat Aygün | Defender - Centre-Back | Germany Türkiye | Retired | 1980 | — |
| 13 |  Torsten Becker | Defender - Centre-Back | Germany | Retired | 1980 | — |
| 14 |  René Trehkopf | Defender - Centre-Back | Germany | Retired | 1980 | — |
| 15 |  Thomas Stehle | Defender - Centre-Back | Germany | Retired | 1980 | — |
| 16 |  Markus Thorandt | Defender - Centre-Back | Germany | Retired | 1981 | — |
| 17 |  Matthias Straub | Defender - Centre-Back | Germany | Retired | 1980 | — |
| 18 |  Martín Demichelis | Defender - Centre-Back | Argentina Italy | Retired | 1980 | — |
| 19 |  Martin Stranzl | Defender - Centre-Back | Austria | Retired | 1980 | — |
| 20 |  Maik Franz | Defender - Centre-Back | Germany | Retired | 1981 | — |
| 21 |  Ivica Majstorovic | Defender - Centre-Back | Germany Croatia | Retired | 1981 | — |
| 22 |  Aleksandar Mitreski | Defender - Centre-Back | North Macedonia | Retired | 1980 | — |
| 23 |  Mathias Abel | Defender - Centre-Back | Germany | Retired | 1981 | — |
| 24 |  Michael Stickel | Defender - Centre-Back | Germany | Retired | 1981 | — |
| 25 |  Martin Neubert | Defender - Centre-Back | Germany | Retired | 1980 | — |
| 26 |  Mile Bozic | Defender - Centre-Back | Croatia Germany | Retired | 1981 | — |
| 27 |  Dajan Simac | Defender - Centre-Back | Croatia Germany | Unknown | 1982 | — |
| 28 |  Fabio Morena | Defender - Centre-Back | Germany Italy | Retired | 1980 | — |
| 29 |  Nils Döring | Defender - Centre-Back | Germany | Retired | 1980 | — |
| 30 |  Heiko Butscher | Defender - Centre-Back | Germany | Retired | 1980 | — |