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PlayerClub/teamCountryPosition
Ondaan, TerellExcelsior (NED)NetherlandsNetherlandsForward
Ondrášek, ZdeněkWisła Kraków (POL)Czech RepublicCzech RepublicForward
Ongenda, HervinZwolle (NED)FranceFranceForward
Onguene, GabrielleRossiyanka (RUS)CameroonCameroonForward
Onișa, MihaelRomania U17RomaniaRomaniaForward
Oniangué, PrinceBastia (FRA)FranceFranceDefender
Onica, AlexandruMoldovaMoldovaMoldovaMidfield
Onica, EcaterinaMoldova WU17MoldovaMoldovaMidfield
Onisiwo, KarimMainz (GER)AustriaAustriaMidfield
Onomah, JoshuaTottenham (ENG) / England U21EnglandEnglandMidfield
Ons, MarcelAmsterdam (NED)NetherlandsNetherlandsGoalkeeper
Onuachu, PaulMidtjylland (DEN)NigeriaNigeriaForward
Onur AtikAnkara (TUR) / Turkey FUTTurkeyTurkeyDefender
Onur AyıkAkhisar (TUR)TurkeyTurkeyMidfield
Onur KıvrakTrabzonspor (TUR) / TurkeyTurkeyTurkeyGoalkeeper
Onur MengiIstanbul Üniversitesi (TUR) / Turkey FUTTurkeyTurkeyDefender
Onzia, LenieTwente (NED) / Belgium WOCOBelgiumBelgiumMidfield
Oostenbrink, KoenNetherlands U17NetherlandsNetherlandsMidfield
Oosting, ThijsNetherlands U17NetherlandsNetherlandsMidfield
Opanasenko, YevhenZorya (UKR)UkraineUkraineDefender
Opavszky, BalázsHungary U17HungaryHungaryDefender
Opdam, LeviAZ (NED)NetherlandsNetherlandsDefender
Opeldus, SebastianBlue Magic (IRL)PolandPolandForward
Openda, LoïsBelgium U17BelgiumBelgiumForward
Oprea, OliviaOlimpia Cluj (ROU) / Romania WOCORomaniaRomaniaDefender
Oprea, RoxanaOlimpia Cluj (ROU) / Romania WOCORomaniaRomaniaGoalkeeper
Orachev, MikiBulgaria U21BulgariaBulgariaDefender
Oravec, MatejSlovakia U19SlovakiaSlovakiaDefender
Orazov, RamazanKazakhstan U19KazakhstanKazakhstanMidfield
Orban, WilliLeipzig (GER)GermanyGermanyDefender
Orbán, LucasGenoa (ITA)SpainSpainDefender
Ordets, IvanShakhtar Donetsk (UKR) / UkraineUkraineUkraineDefender
Öreglaki, NorbertHaladás (HUN) / Hungary FUTHungaryHungaryDefender
Orellana, FabiánValencia (ESP)ChileChileMidfield
Orellana, JandroSpain U17SpainSpainMidfield
Orfanidis, PetrosGreece U21GreeceGreeceMidfield
Orgill, DeverWolfsberg (AUT)JamaicaJamaicaForward
Orhan ŞamGençlerbirliği (TUR)TurkeyTurkeyDefender
Origi, DivockLiverpool (ENG) / Belgium / Belgium U21BelgiumBelgiumForward
Orikhovskiy, PavloDynamo Kyiv (UKR) / Ukraine U21UkraineUkraineMidfield
Oriol RieraOsasuna (ESP)SpainSpainForward
Oriol RomeuSouthampton (ENG)SpainSpainMidfield
Oriol RosellBelenenses (POR)SpainSpainMidfield
Orji, EbereFerencváros (HUN)NigeriaNigeriaForward
Orkan ÇinarGaziantepspor (TUR) / Turkey U21TurkeyTurkeyMidfield
Orlando SáStandard Liège (BEL)PortugalPortugalForward
Orlov, SergeiDynamo (RUS)RussiaRussiaDefender
Orlova , Valentina Zvezda 2005 (RUS)RussiaRussiaDefender
Ørnskov, MartinLyngby (DEN)DenmarkDenmarkMidfield
Oroș, CristianAstra (ROU)RomaniaRomaniaDefender