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PlayerClub/teamCountryPosition
Ortolá, AdriánAlavés (ESP)SpainSpainGoalkeeper
Örün, ErdincHamburg (GER)GermanyGermanyForward
Osako, YuyaKöln (GER)JapanJapanForward
OscarChelsea (ENG)BrazilBrazilMidfield
Óscar CardozoTrabzonspor (TUR)ParaguayParaguayForward
Osei, BarnesPaços Ferreira (POR)GhanaGhanaForward
Oshaniwa, JuwonHearts (SCO)NigeriaNigeriaDefender
O'Shaughnessy, DanielFinland U21FinlandFinlandDefender
O'Shea, JohnSunderland (ENG) / Republic of IrelandRepublic of IrelandRepublic of IrelandDefender
O'Shea, DaraRepublic of Ireland U17Republic of IrelandRepublic of IrelandDefender
Osipov, AlexandruMoldova U17MoldovaMoldovaDefender
Óskarsson, RóbertVíkingur Reykjavík (ISL) / IcelandIcelandIcelandGoalkeeper
Osman, AbdulPartick (SCO)GhanaGhanaMidfield
Osmanković, KemalBosnia and Herzegovina U19Bosnia and HerzegovinaBosnia and HerzegovinaDefender
Ospelt, JustinVaduz (LIE) / Liechtenstein U17LiechtensteinLiechtensteinGoalkeeper
Ospina, DavidArsenal (ENG)ColombiaColombiaGoalkeeper
Osredkar, IgorNacional (CRO) / Slovenia FUTSloveniaSloveniaDefender
Ošs, DāvisMETTA (LVA) / Latvia U21LatviaLatviaGoalkeeper
Osso, JohnSwitzerland FUTSwitzerlandSwitzerlandForward
Ossowska, MartaPoland WU19PolandPolandMidfield
Østergaard, Maja BayDenmark WU19DenmarkDenmarkGoalkeeper
Ostrowska, KarolinaPoland WU19PolandPolandDefender
Ostrowski, JanLuxembourg U17LuxembourgLuxembourgMidfield
Ostrzolek, MatthiasHamburg (GER)GermanyGermanyDefender
O'Sullivan, FionaRepublic of Ireland WOCORepublic of IrelandRepublic of IrelandForward
O'Sullivan, DeniseGlasgow City (SCO) / Republic of Ireland WOCORepublic of IrelandRepublic of IrelandMidfield
O'Sullivan, ThomasWales U21WalesWalesMidfield
O'Sullivan, RianRepublic of Ireland U17Republic of IrelandRepublic of IrelandForward
O'Sullivan, LauraWales WOCOWalesWalesGoalkeeper
Osvaldo , PabloPorto (POR) / ItalyItalyItalyForward
Osváth, AttilaVasas (HUN) / Hungary / Hungary U21HungaryHungaryDefender
Osyra, KornelNieciecza (POL)PolandPolandDefender
Otamendi, NicolásMan. City (ENG)ArgentinaArgentinaDefender
Otmani, MustaphaOmonia (CYP) / France FUTFranceFranceDefender
Oto'o, RandalWesterlo (BEL)GabonGabonDefender
Ott, MelanieGermany WU19GermanyGermanyMidfield
Ottele, TomLuxembourg U21 / Luxembourg U19LuxembourgLuxembourgGoalkeeper
Ottesen, SölviWuhan Zall (CHN) / IcelandIcelandIcelandDefender
Otto, YariGermany U17GermanyGermanyForward
Otuwe, GiftMinsk (BLR)NigeriaNigeriaMidfield
Ouadi, SouliemaneBelgium FUTBelgiumBelgiumForward
Ouahabi, LeilaBarcelona (ESP) / Spain WOCOSpainSpainDefender
Ouali, IdirKortrijk (BEL)FranceFranceMidfield
Ouali, MimounUE Santa Coloma (AND) / Andorra FUTAndorraAndorraDefender
Oude Kotte, ThomasVitesse (NED)NetherlandsNetherlandsDefender
Oukadi, FaridFrance FUTFranceFranceDefender
Oulare, ObbiZulte Waregem (BEL) / Belgium U21BelgiumBelgiumForward
Õunap, JanarFlora (EST) / Estonia U21EstoniaEstoniaDefender
Ounas, AdamBordeaux (FRA)FranceFranceMidfield
Õunpuu, KethyEstonia WOCOEstoniaEstoniaMidfield