| 39.022 | Obi ChimaAlashkert |  Alashkert | Atacant | 19 | 100 K € |
| 39.022 | Octavio RiveroUniversidad de Chile |  Universidad de Chile | Atacant | 34 | 100 K € |
| 39.022 | Ognjen IvanovicAustria Wien II |  Austria Wien II | Fundaș | 17 | 100 K € |
| 39.022 | Ognjen LukovicFK Metalac Gornji Milanovac |  FK Metalac Gornji Milanovac | Atacant | 22 | 100 K € |
| 39.022 | Ognjen RadoševićBSK |  BSK | Mijlocaș | 23 | 100 K € |
| 39.022 | Olaf KorczakowskiPuszcza Niepołomice |  Puszcza Niepołomice | Mijlocaș | 23 | 100 K € |
| 39.022 | OM Olek MrowickiBarendrecht |  Barendrecht | Atacant | — | 100 K € |
| 39.022 | Oleksandr AzatskyiWarta Poznań |  Warta Poznań | Fundaș | 32 | 100 K € |
| 39.022 | Oleksiy BykovMarsaxlokk |  Marsaxlokk | Fundaș | 28 | 100 K € |
| 39.022 | Oliver AlfonsiVarbergs BoIS FC |  Varbergs BoIS FC | Mijlocaș | 23 | 100 K € |
| 39.022 | Oliver DevlinColeraine |  Coleraine | Mijlocaș | 18 | 100 K € |
| 39.022 | OW Oliver WeitzendorferSturm Graz II |  Sturm Graz II | Fundaș | 19 | 100 K € |
| 39.022 | Olivier VliegenČeská Lípa |  Česká Lípa | Portar | 27 | 100 K € |
| 39.022 | OK Olivér KalmárSzeged-Csanád Grosics Akademia |  Szeged-Csanád Grosics Akademia | Fundaș | 24 | 100 K € |
| 39.022 | Olle BacklundNorrby |  Norrby | Mijlocaș | 21 | 100 K € |
| 39.022 | ON Olwethu NzimandeRichards Bay |  Richards Bay | Mijlocaș | — | 100 K € |
| 39.022 | OM Omar MohamedhoeseinBarendrecht | Barendrecht | Mijlocaș | — | 100 K € |
| 39.022 | OP Omar PašagićPartizani |  Partizani | Fundaș | 29 | 100 K € |
| 39.022 | Omar YehyaAthletic Club Boise |  Athletic Club Boise | Mijlocaș | 26 | 100 K € |
| 39.022 | Ondrej BlehaPříbram |  Příbram | Portar | 25 | 100 K € |
| 39.022 | Ondrej FrolikSlavia Prague B |  Slavia Prague B | Mijlocaș | 18 | 100 K € |
| 39.022 | Ondrej LehoczkiOpava |  Opava | Fundaș | 28 | 100 K € |
| 39.022 | OM Ondrej MachucaTřinec |  Třinec | Mijlocaș | 30 | 100 K € |
| 39.022 | OK Onur KaplanAfumați |  Afumați | Mijlocaș | 26 | 100 K € |
| 39.022 | OR Orgito RuçiVora |  Vora | Mijlocaș | 21 | 100 K € |
| 39.022 | OS Orlano StewartBarendrecht | Barendrecht | Atacant | — | 100 K € |
| 39.022 | Osama Al MarwaniAl Bukayriyah |  Al Bukayriyah | Mijlocaș | 24 | 100 K € |
| 39.022 | Osama Al-RashedAl-Orobah FC |  Al-Orobah FC | Fundaș | 21 | 100 K € |
| 39.022 | OB Oscar BoatengTransINVEST |  TransINVEST | Fundaș | 22 | 100 K € |
| 39.022 | Oscar EkmanVarbergs BoIS FC | Varbergs BoIS FC | Portar | 27 | 100 K € |
| 39.022 | Oscar PinedaChicago Fire FC II |  Chicago Fire FC II | Mijlocaș | 18 | 100 K € |
| 39.022 | Oscarine MasulukePolokwane City |  Polokwane City | Portar | 33 | 100 K € |
| 39.022 | Oskar GerstensteinPuszcza Niepołomice | Puszcza Niepołomice | Atacant | 19 | 100 K € |
| 39.022 | Oskar KoprowskiPogoń Grodzisk Mazowiecki |  Pogoń Grodzisk Mazowiecki | Fundaș | 27 | 100 K € |
| 39.022 | OM Osman MëziuDrenica |  Drenica | Atacant | 27 | 100 K € |
| 39.022 | Osvaldo BossoÑublense |  Ñublense | Fundaș | 33 | 100 K € |
| 39.022 | OA Otar AptsiauriSamgurali Tsqaltubo |  Samgurali Tsqaltubo | Mijlocaș | 25 | 100 K € |
| 39.022 | Ott NõmmPärnu Vaprus |  Pärnu Vaprus | Portar | 22 | 100 K € |
| 39.022 | Otto KemppainenAC Oulu |  AC Oulu | Fundaș | 23 | 100 K € |
| 39.022 | OD Oumar DialloNK Hrvace |  NK Hrvace | Atacant | 21 | 100 K € |
| 39.022 | Ousman KujabiŽižkov⚽ |  Žižkov | Atacant | 20 | 100 K € |
| 39.022 | OM Ousman MarongConcordia Chiajna |  Concordia Chiajna | Mijlocaș | 27 | 100 K € |
| 39.022 | OD Ousmane DiagneLusitano de Évora |  Lusitano de Évora | Mijlocaș | — | 100 K € |
| 39.022 | OK Ousmane KonatéSardarapat |  Sardarapat | Fundaș | 21 | 100 K € |
| 39.022 | Ousmane SambouVysočina Jihlava |  Vysočina Jihlava | Atacant | 19 | 100 K € |
| 39.022 | Ousmane ThieroRapid Wien II |  Rapid Wien II | Mijlocaș | 20 | 100 K € |
| 39.022 | Owen O'MalleyRichmond Kickers |  Richmond Kickers | Fundaș | 25 | 100 K € |
| 39.022 | OM Owen van der MeerKatwijk |  Katwijk | Mijlocaș | — | 100 K € |
| 39.022 | Pablo CasaricoTemperley |  Temperley | Fundaș | — | 100 K € |
| 39.022 | PM Pablo MedinaLos Andes⚽ |  Los Andes | Mijlocaș | — | 100 K € |
