These player(s) are known to have, or used to have, club=pro club configured:

1. Viljo Pro
2. Anni pro (previously)
3. pomidorszatana2 (previously)
4. Kael (previously)
5. Abcforbananas (previously)
6. Lapaz (previously)
7. Guest 5290 (previously)
8. ejelaatiivi (previously)
9. Yefu (previously)
10. Postro (previously)
11. ankkaz (previously)
12. KFCgobucket_911 (previously)
13. pxioim (previously)