Football players

Player	Team	Age	Compare players
O'Brien C.Wingback · IrelandMatch data available	Accrington	22	+ Compare
Ethan O'BrienMidfielder · IrelandMatch data available	Drogheda	25	+ Compare
O'Brien J.Centre back · IrelandMatch data available	Everton	25	+ Compare
O'Brien L.EnglandMatch data available	Wrexham	28	+ Compare
O'Brien N.Ireland	Waterford	—	+ Compare
O'Brien Whitmarsh J.Winger · IrelandMatch data available	Northampton	21	+ Compare
O'Connell E.Centre back · IrelandMatch data available	Stockport County	31	+ Compare
Anthony O'ConnorCentre back · IrelandMatch data available	Galway	34	+ Compare
Lee O'ConnorDefender · IrelandMatch data available	Tranmere	26	+ Compare
O'Connor P.IrelandMatch data available	Reading	29	+ Compare
O'Connor T.Centre back · IrelandMatch data available	Peterborough	—	+ Compare
O'Connor T.Midfielder · ArgentinaMatch data available	Gimnasia Mendoza	—	+ Compare
O'Donnell C.Ireland	Derry City	18	+ Compare
O'Donnell J.IrelandMatch data available	Sligo Rovers	16	+ Compare
O'Donnell R.Goalkeeper · EnglandMatch data available	Derby	38	+ Compare
O'Donnell S.SeychellesMatch data available	Motherwell	34	+ Compare
O'Dowda C.Fullback · IrelandMatch data available	Ferencvaros	31	+ Compare
O'Hara K.Goalkeeper · IrelandMatch data available	Dundee FC	30	+ Compare
O'Hara M.SeychellesMatch data available	Kilmarnock	30	+ Compare
O'Hare C.Attacking midfielder · EnglandMatch data available	Wrexham	28	+ Compare
Warren O'HoraCentre back · IrelandMatch data available	Leicester	27	+ Compare
O'Kane R.IrelandMatch data available	Sligo Rovers	23	+ Compare
O'Keeffe C.Wingback · IrelandMatch data available	Bradford City	—	+ Compare
O'Leary M.Goalkeeper · IrelandMatch data available	West Brom	30	+ Compare

Profiles from published lineups. The current club is shown when confirmed; otherwise the latest observed club is labelled.