| O. DrobekCentre-back | Karviná | 🇨🇿Czechia | 20 | 0 | 0 | 0 | 7.1 | 0 | 1 |
| O. DudaCentral midfielder | Al-Ettifaq | 🇸🇰Slovakia | 31 | 8 | 1 | 1 | 4.6 | 21▲37.5% | 28±0% |
| O. DumontAttacking midfielder | MVV | 🇧🇪Belgium | 24 | 11 | 5 | 1 | 17.3 | 34▲80.4%↩ | 45▲18.8%↩ |
| O. DyedovCentre-forward | Karpaty | 🏳️ | 17 | 3 | 0 | 0 | 3.8 | 0 | 35 |
| O. DziurynetsCentre-back | Ruh Lviv | 🏳️ | 0 | 1 | 0 | 0 | 1.1 | 0 | 14 |
| O. ÉdouardCentre-forward | Lens | 🇫🇷France | 28 | 6 | 1 | 0 | 16.1 | 50±0% | 61±0% |
| O. EdvardsenWinger | Ajax | 🇳🇴Norway | 27 | 4 | 0 | 0 | 20 | 4±0% | 47±0% |
| O. EdwardsCentral midfielder | Peterborough | 🏴England | 25 | 8 | 2 | 0 | 8.7 | 16▼5.8%↩ | 30±0% |
| O. EjeheriGoalkeeper | FC Midtjylland | 🏴England | 23 | 2 | 0 | 0 | 6.8 | 0 | 37 |
| O. EkmanGoalkeeper | Varbergs BoIS FC | 🇸🇪Sweden | 27 | 16 | 0 | 0 | 1.5 | 5±0% | 20▼21.7%↩ |
| O. EkperuohGoalkeeper | IF Brommapojkarna | 🇸🇪Sweden | 22 | 0 | 0 | 0 | 3.4 | 0 | 29 |
| O. El AzzouziDefensive midfielder | Bologna | 🇲🇦Morocco | 25 | 2 | 0 | 0 | 36 | 15▲1.3%↩ | 69▲8%↩ |
| O. El HilaliFull-back | Espanyol | 🇲🇦Morocco | 23 | 8 | 0 | 1 | 50.1 | 45±0% | 85▲1.7% |
| O. El SawyAttacking midfielder | Uta Arad | 🇷🇴Romania | 22 | 23 | 1 | 2 | 4 | 9 | 31 |
| O. ElabdellaouiCentre-back | Bodo/Glimt | 🇳🇴Norway | 34 | 0 | 0 | 0 | 0.3 | 0▼100% | 6▼64.1% |
| O. EldingCentre-forward | Hibernian | 🏴England | 20 | 6 | 1 | 0 | 8.3 | 0▼100% | 41▼9.5% |
| O. EnersenAttacking midfielder | Stromsgodset | 🇳🇴Norway | 24 | 12 | 1 | 1 | 3.7 | 10▲3.1% | 32▼19.6% |
| O. ErdoğanCentre-back | Sivasspor | 🇩🇪Germany | 28 | 8 | 0 | 0 | 2.1 | 3▼91% | 31±0% |
| O. ErgünCentral midfielder | Başakşehir | 🇹🇷Türkiye | 33 | 4 | 0 | 0 | 0.7 | 7±0% | 11±0% |
| O. ErtemDefensive midfielder | Trabzonspor | 🇹🇷Turkey | 18 | 1 | 0 | 0 | 7.3 | 0 | 42 |
| O. ErtemCentral midfielder | Trabzonspor | 🇹🇷Turkey | 18 | 1 | 0 | 0 | 7.3 | 0 | 42 |
| O. EscobarCentre-forward | CF Montreal | 🇬🇹Guatemala | 20 | 21 | 0 | 0 | 6 | 0▼100% | 39▼5.2% |
| Ó. EstupiñánCentre-forward | FC Juarez | 🇨🇴Colombia | 30 | 12 | 6 | 0 | 6.1 | 47±0% | 25▼18.8% |
| O. EteboCentral midfielder | Gençlerbirliği S.K. | 🇳🇬Nigeria | 30 | 1 | 0 | 0 | 2 | 1±0% | 18±0% |
| O. FalleniusWinger | Djurgardens IF | 🇸🇪Sweden | 25 | 19 | 2 | 3 | 4.5 | 22▲48.6% | 36▲7.8% |
| O. FarajCentre-forward | Halmstad | 🇸🇪Sweden | 24 | 23 | 4 | 0 | 4.6 | 20▼10.3%↩ | 34▲3%↩ |
| O. FedorCentral midfielder | Polessya | 🇺🇦Ukraine | 22 | 8 | 0 | 0 | 5.1 | 6±0% | 37±0% |
| O. FengerCentre-forward | Brondby | 🏳️ | 18 | 6 | 1 | 1 | 6.6 | 16 | 44▲21.9% |
| O. FengerCentre-forward | Brondby | 🏳️ | 18 | 9 | 2 | 1 | 6.5 | 17 | 43▲20.6% |
| O. FernandezCentre-forward | Portland Timbers | 🇺🇸USA | 27 | 9 | 0 | 0 | 4.9 | 0▼100% | 26▼13% |
| O. FernándezWinger | Santa Fe | 🇨🇴Colombia | 33 | 42 | 4 | 9 | 0.4 | 22▲175.3%↩ | 10▼53.4%↩ |
| O. FeshchenkoCentral midfielder | Obolon'-Brovar | 🇺🇦Ukraine | 19 | 0 | 0 | 0 | 4.1 | 0 | 33 |
| O. FilippovCentre-forward | Polessya | 🇺🇦Ukraine | 34 | 1 | 0 | 0 | 0.3 | 0 | 9±0% |
| O. ForsonWinger | Monza | 🏴England | 22 | 5 | 0 | 0 | 37.1 | 0 | 53▼16.5% |
| O. FoyoWinger | Rhode Island | 🏴England | 22 | 5 | 0 | 0 | 4.3 | 0▼100%↩ | 38▲23.4%↩ |
| O. FrauloCentral midfielder | Derby | 🇩🇰Denmark | 22 | 7 | 0 | 1 | 25 | 8▼3.8% | 60±0% |
| O. FryerWinger | Newcastle Jets | 🇦🇺Australia | 20 | 3 | 1 | 0 | 0.6 | 6 | 19 |
| O. GabrielssonCentral midfielder | Trelleborg | 🇸🇪Sweden | 26 | 6 | 0 | 0 | 1.8 | 1▲66.7%↩ | 23±0% |
| O. GallagherDefensive midfielder | Barnet | 🇮🇪Republic of Ireland | 21 | 9 | 1 | 0 | 3.2 | 12 | 28 |
| O. GalvezCentral midfielder | Monterrey | 🏳️ | 19 | 2 | 0 | 0 | 9 | 0 | 44▲6.3% |
| O. GandelmanDefensive midfielder | Lecce | 🇮🇱Israel | 26 | 2 | 0 | 0 | 32.6 | 12▼47.3%↩ | 49▲6.8%↩ |
| Ó. GarcíaGoalkeeper | Leon | 🇲🇽Mexico | 23 | 10 | 0 | 0 | 12.8 | 9±0% | 44▼16.4% |
| O. GarridoCentral midfielder | Atletico Mitre | 🇦🇷Argentina | 29 | 10 | 0 | 0 | 2 | 0▼100%↩ | 21▼49.4%↩ |
| O. GaševićFull-back | CSKA 1948 | 🇲🇪Montenegro | 24 | 25 | 0 | 0 | 3.6 | 15 | 31 |
| O. GeneCentral midfielder | Minnesota United FC | 🇫🇷France | 23 | 28 | 0 | 1 | 7.7 | 23▲341.2% | 42▲9.5% |
| O. GerbigCentre-back | Henan Jianye | 🏳️Hong Kong, China | 27 | 13 | 0 | 1 | 2.4 | 4 | 22 |
| O. GillGoalkeeper | Lille | 🇵🇾Paraguay | 26 | 1 | 0 | 0 | 33.6 | 65▲19%↩ | 50▼0.8%↩ |
| O. GiroudCentre-forward | Lille | 🇫🇷France | 40 | 7 | 2 | 2 | 2.5 | 36▲13.5% | 18▲10.5% |
| O. GlasgowWinger | Monterey Bay | 🇬🇾Guyana | 22 | 14 | 0 | 1 | 4.5 | 3 | 39▲15%↩ |
| O. GlazerGoalkeeper | Maccabi Haifa | 🇮🇱Israel | 30 | 5 | 0 | 0 | 1.6 | 6 | 18 |
| O. GloukhWinger | Ajax | 🇮🇱Israel | 22 | 9 | 1 | 4 | 29.9 | 35±0% | 71±0% |
| O. GonzalezCentral midfielder | CF Pachuca | 🏳️ | 20 | 0 | 0 | 0 | 9 | 0 | 41 |
| O. GonzálezCentre-forward | Godoy Cruz | 🇨🇱Chile | 20 | 0 | 0 | 0 | 5.2 | 0 | 35 |
| O. GonzálezCentre-back | Chicago Fire | 🇺🇸USA | 38 | 12 | 0 | 0 | 0.4 | 6▼1.6%↩ | 5▼42.7%↩ |
| O. GoodmanGoalkeeper | Dundee | 🏴England | 22 | 9 | 0 | 0 | 10.9 | 15▲148.3%↩ | 50▲5.7%↩ |
| O. GorinCentre-back | LNZ Cherkasy | 🇺🇦Ukraine | 26 | 3 | 0 | 0 | 4.7 | 17±0% | 35±0% |
| O. GoveaCentral midfielder | Guadalajara Chivas | 🇲🇽Mexico | 30 | 9 | 0 | 1 | 3.5 | 26±0% | 21▼29.1% |
| O. GreyCentre-back | Houston Dynamo | 🇺🇸USA | 26 | 0 | 0 | 0 | 5.6 | 0 | 30 |
| Ó. GuðmundssonCentre-back | Aalesund | 🇮🇸Iceland | 24 | 19 | 0 | 0 | 7.2 | 16▲67% | 40▲29% |
| O. GustafssonGoalkeeper | Utsikten | 🇸🇪Sweden | 33 | 9 | 0 | 0 | 0.2 | 0 | 6▼26.7% |
| O. HøjlundCentral midfielder | Eintracht Frankfurt | 🇩🇰Denmark | 21 | 2 | 0 | 0 | 33.9 | 20±0% | 72±0% |
| O. HagenWinger | Hammarby FF | 🇳🇴Norway | 20 | 15 | 0 | 0 | 3.5 | 0▼100%↩ | 32▼5.1%↩ |
| O. HammondAttacking midfielder | Oldham | 🏴Wales | 23 | 2 | 0 | 1 | 3 | 11▲101.8% | 29±0% |
| O. HaninGoalkeeper | Havelse | 🇮🇱Israel | 28 | 7 | 0 | 0 | 2.5 | 0▼100%↩ | 22▼27.2%↩ |
| O. HarrisonCentral midfielder | AFC Wimbledon | 🏴England | 19 | 8 | 0 | 0 | 7.6 | 4 | 43 |
| O. HedvallGoalkeeper | Valerenga | 🇩🇰Denmark | 28 | 23 | 0 | 0 | 3.6 | 3▼56.9% | 33▲15.2% |
| O. Heltne-NilsenCentre-back | Asane | 🇳🇴Norway | 25 | 3 | 0 | 0 | 2.8 | 0▼100% | 24▼19% |
| O. HenckeCentral midfielder | Hoffenheim II | 🏳️ | 18 | 13 | 1 | 0 | 6 | 9 | 39 |
| O. HenriksenGoalkeeper | Randers FC | 🇩🇰Denmark | 18 | 0 | 0 | 0 | 5 | 0 | 36 |
| O. HernándezWinger | Port Vale | 🇨🇺Cuba | 33 | 9 | 1 | 0 | 0.4 | 0▼100% | 9±0% |
| O. HerreraCentral midfielder | Tigres UANL | 🇲🇽Mexico | 25 | 8 | 1 | 0 | 11.1 | 27±0% | 40▼17.4% |
| O. HindrichGoalkeeper | Legia Warszawa | 🇷🇴Romania | 24 | 11 | 0 | 0 | 5.5 | 18▲69.2%↩ | 33▲0.6%↩ |
| O. HintsaCentre-forward | Sogndal | 🇸🇪Sweden | 25 | 13 | 7 | 1 | 6.3 | 40▲128.6% | 33▲0.6% |
| O. HolmDefensive midfielder | Valerenga | 🇳🇴Norway | 23 | 13 | 0 | 0 | 6.2 | 4▲171.4%↩ | 34▼3.7%↩ |
| O. HutchinsonWinger | AC Milan | 🇯🇲Jamaica | 23 | 3 | 0 | 0 | 40 | 21±0% | 80±0% |
| O. HyseniWinger | Brondby | 🇩🇰Denmark | 19 | 11 | 4 | 3 | 10.2 | 19▼33.1%↩ | 44▼1.6%↩ |
| O. IdrissiAttacking midfielder | CF Pachuca | 🇲🇦Morocco | 30 | 12 | 1 | 3 | 5.2 | 26±0% | 22▼26.7% |
| O. IglicarDefensive midfielder | Oddevold | 🏳️ | 28 | 15 | 0 | 0 | 0.7 | 1 | 15 |
| O. Iglicar BerntssonAttacking midfielder | Oddevold | 🇸🇪Sweden | 29 | 20 | 0 | 1 | 0.6 | 14▼8.1% | 16▼27.6% |
| O. IrowAttacking midfielder | Plymouth | 🏴England | 20 | 9 | 3 | 0 | 9 | 15▲63.4%↩ | 45±0% |
| O. IsmailaCentre-forward | Kochi United | 🇳🇬Nigeria | 28 | 8 | 0 | 1 | 0.9 | 5 | 17▼56.9%↩ |
| O. IsraelovCentre-back | Hapoel Tel Aviv | 🇮🇱Israel | 22 | 1 | 0 | 0 | 8.4 | 0 | 50 |
| O. IyohaCentre-forward | Sanfrecce Hiroshima | 🇯🇵Japan | 28 | 3 | 0 | 0 | 4.8 | 0 | 29▼31.8%↩ |
| O. JabangCentral midfielder | New Mexico United | 🇺🇸USA | 25 | 5 | 1 | 0 | 3.6 | 4▲3500%↩ | 29▼15.7%↩ |
| O. JardeCentral midfielder | IF Brommapojkarna | 🏳️ | 0 | 0 | 0 | 0 | 0.8 | 0 | 13 |
| O. JebaliFull-back | Moss | 🇹🇳Tunisia | 26 | 12 | 0 | 2 | 4 | 14▲37.3%↩ | 35▲25.4%↩ |
| O. JochmansGoalkeeper | OH Leuven | 🇧🇪Belgium | 23 | 0 | 0 | 0 | 13.4 | 0 | 44 |
| O. JohanssonDefensive midfielder | Hammarby FF | 🇸🇪Sweden | 31 | 20 | 0 | 2 | 1.6 | 24▲127.6% | 18▲19.7% |
| O. JohnsonCentre-forward | Fortuna Sittard | 🇳🇱Netherlands | 21 | 4 | 0 | 0 | 23.6 | 0 | 56▼1.8% |
| O. JolyAttacking midfielder | Rodez | 🇫🇷France | 24 | 8 | 2 | 0 | 19.1 | 26▲5.6% | 60▲2.4% |
| O. JonesCentre-back | Randers FC | 🇦🇺Australia | 23 | 3 | 0 | 0 | 6.3 | 0 | 34 |
| O. KabakCentre-back | 1899 Hoffenheim | 🇹🇷Türkiye | 26 | 6 | 1 | 0 | 35.5 | 21±0% | 71±0% |
| O. KabwitCentre-forward | FC Luzern | 🏳️ | 20 | 27 | 11 | 5 | 9.3 | 34 | 46 |
| O. KakabadzeFull-back | Cracovia Krakow | 🇬🇪Georgia | 31 | 11 | 0 | 1 | 1.8 | 16▼16.4% | 16±0% |
| O. KakayFull-back | FK Košice | 🇸🇱Sierra Leone | 29 | 29 | 0 | 1 | 1.2 | 4▼12.5%↩ | 22▼49.8%↩ |
| O. KalemiCentral midfielder | Zemplín Michalovce | 🏳️ | 19 | 9 | 0 | 0 | 2.6 | 3 | 29 |
| O. KalemiCentral midfielder | Zemplín Michalovce | 🏳️ | 19 | 9 | 0 | 0 | 2.6 | 3 | 28 |
| O. KallevågCentral midfielder | Asane | 🇳🇴Norway | 25 | 10 | 0 | 0 | 3.3 | 9▼48.2% | 29▼16.3% |
| O. KamdemFull-back | Levski Sofia | 🇫🇷France | 24 | 27 | 0 | 1 | 3.5 | 11 | 31 |
| O. KantéCentre-back | PAU | 🇬🇳Guinea | 37 | 18 | 0 | 0 | 2.2 | 15▼8.1% | 14▲1.5% |