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PlayerClub/teamCountryPosition
Oroș, CristianAstra (ROU)RomaniaRomaniaDefender
Oroz, MaiteAthletic (ESP) / Spain WU19SpainSpainMidfield
Orsi, BenedettaItaly WU17ItalyItalyForward
Oršoja, VajdaSerbia WOCOSerbiaSerbiaDefender
Oršulić, MarinOmonia (CYP)CroatiaCroatiaMidfield
Ortiz, CésarAltach (AUT)SpainSpainDefender
OrtizInter (ESP) / Spain FUTSpainSpainDefender
Ortiz, JuanmaAEK Larnaca (CYP)SpainSpainDefender
Ortolá, AdriánAlavés (ESP)SpainSpainGoalkeeper
Örün, ErdincHamburg (GER)GermanyGermanyForward
Osako, YuyaKöln (GER)JapanJapanForward
OscarChelsea (ENG)BrazilBrazilMidfield
Óscar CardozoOlympiacos (GRE)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
Osipov, AlexandruMoldova U17MoldovaMoldovaForward
Óskarsson, RóbertVíkingur Reykjavík (ISL) / IcelandIcelandIcelandGoalkeeper
Osman, AbdulPartick (SCO)GhanaGhanaMidfield
Ospina, DavidArsenal (ENG)ColombiaColombiaGoalkeeper
Osredkar, IgorNacional (CRO) / Slovenia FUTSloveniaSloveniaDefender
Ošs, DāvisMETTA (LVA) / Latvia U21LatviaLatviaGoalkeeper
Osso, JohnSwitzerland FUTSwitzerlandSwitzerlandForward
Ossowska, MartaPoland WU19PolandPolandMidfield
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, LauraWales WOCOWalesWalesGoalkeeper
Osvaldo , PabloPorto (POR) / ItalyItalyItalyForward
Osváth, AttilaVasas (HUN) / Hungary / Hungary U21HungaryHungaryDefender
Osyra, KornelNieciecza (POL)PolandPolandDefender
Otamendi, NicolásMan. City (ENG)ArgentinaArgentinaDefender
Otarbayev, SamatKazakhstanKazakhstanKazakhstanGoalkeeper
OtávioPorto (POR)BrazilBrazilMidfield
Otmani, MustaphaOmonia (CYP) / France FUTFranceFranceDefender
Oto'o, RandalWesterlo (BEL)GabonGabonDefender
Ottele, TomKäerjéng (LUX) / Luxembourg U21LuxembourgLuxembourgGoalkeeper
Ottesen, SölviWuhan Zall (CHN) / IcelandIcelandIcelandDefender
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