| A. JaunzemsFull-back |  Lechia Gdansk | 🇱🇻Latvia | 27 | 0 | 1 | 3.6 | 5▼53.5%↩ | 25▼24%↩ |
| A. JędrychCentre-back |  GKS Katowice | 🇵🇱Poland | 34 | 6 | 0 | 1.2 | 30▲26.7% | 16▼1.8% |
| A. JędrzejczykFull-back |  Legia Warszawa | 🇵🇱Poland | 38 | 1 | 1 | 0.2 | 7▼20.2% | 4▼49.3% |
| A. JensenCentral midfielder |  Emmen | 🇩🇰Denmark | 20 | 1 | 1 | 12.7 | 19 | 51 |
| A. JensenFull-back |  Aberdeen | 🇩🇰Denmark | 24 | 0 | 0 | 9.8 | 19▼46.4%↩ | 44▲14.4%↩ |
| A. JenssenCentre-back |  Tromso | 🇳🇴Norway | 32 | 0 | 0 | 1.2 | 10▼64.5% | 14▼37.4% |
| A. JeremejeffCentre-forward |  PAOK | 🇸🇪Sweden | 32 | 8 | 2 | 1.7 | 27▲159%↩ | 16▼15%↩ |
| A. JimenezGoalkeeper |  Racing Santander | 🏳️ | 22 | 0 | 0 | 22.1 | 0 | 55 |
| A. JiyaneCentre-back |  Golden Arrows | 🇿🇦South Africa | 23 | 0 | 0 | 0 | 8 | 2 |
| A. JodwanaDefensive midfielder |  Durban City | 🇿🇦South Africa | 32 | 0 | 0 | 0 | 14 | 1 |
| A. JohanssonCentre-forward |  Mjallby AIF | 🇸🇪Sweden | 30 | 6 | 0 | 1.9 | 18▲40.6% | 18▼22.1% |
| A. JohnstonFull-back |  Celtic | 🇨🇦Canada | 27 | 0 | 1 | 7.4 | 8▼85% | 33▼37.6% |
| A. JojoFull-back |  SHANGHAI SIPG | 🏴England | 27 | 0 | 0 | 2 | 1▲600%↩ | 20▼2.4%↩ |
| A. JonesCentre-forward |  Jong PSV U21 | 🇳🇱Netherlands | 18 | 4 | 0 | 11.9 | 11 | 54 |
| A. JonesCentre-back |  Middlesbrough | 🏴England | 28 | 1 | 1 | 12.6 | 21▼1%↩ | 46▼23.1%↩ |
| A. JonjićCentre-forward | Hansa Rostock | 🇩🇪Germany | 27 | 0 | 0 | 5 | 0 | 27▼44.2%↩ |
| A. JoujouWinger |  Famalicao | 🇫🇷France | 23 | 3 | 1 | 22.1 | 13▲165.3%↩ | 58▼11.5%↩ |
| A. JovanovićGoalkeeper |  Kocaelispor | 🇷🇸Serbia | 33 | 0 | 0 | 1.9 | 14 | 15 |
| A. JovičićCentre-back |  Kisvarda FC | 🇧🇦Bosnia and Herzegovina | 31 | 1 | 1 | 1.3 | 13 | 15 |
| A. JuárezCentre-back |  U.N.A.M. - Pumas | 🇲🇽Mexico | 17 | 0 | 0 | 8.2 | 0 | 45 |
| A. JuárezCentral midfielder |  Arsenal Sarandi | 🇦🇷Argentina | 21 | 0 | 0 | 5 | 0▼100%↩ | 32▼24.4%↩ |
| A. JukićCentral midfielder |  Rubin | 🇦🇹Austria | 26 | 1 | 0 | 2.7 | 6▲55.3% | 25▼9.3% |
| A. JulioAttacking midfielder |  FC Dallas | 🇪🇨Ecuador | 30 | 6 | 1 | 3.5 | 23▼27.2%↩ | 24▼24.9%↩ |
| A. JullouxCentre-back |  Nancy | 🇫🇷France | 29 | 0 | 0 | 7.1 | 16▲80.5% | 35▲28.3% |
| A. JungCentre-back |  SC Freiburg | 🇩🇪Germany | 34 | 0 | 0 | 2.5 | 7▼79.4%↩ | 14▼58.3%↩ |
| A. JungdalGoalkeeper |  KVC Westerlo | 🇩🇰Denmark | 24 | 0 | 0 | 19.6 | 37▲675% | 61▲14.6% |
| A. JuričCentre-forward |  HNK Rijeka | 🇭🇷Croatia | 23 | 4 | 1 | 4.8 | 15▼7.4%↩ | 35▼41.6%↩ |
| A. JuriljCentral midfielder |  Vukovar | 🇧🇦Bosnia and Herzegovina | 30 | 2 | 1 | 1.5 | 13 | 18 |
| A. K. DagdevirDefensive midfielder |  Konyaspor | 🏳️ | 19 | 0 | 0 | 7.4 | 0 | 40 |
| A. K. GulmezGoalkeeper |  Amed | 🏳️ | 19 | 0 | 0 | 4.1 | 0 | 34 |
| A. K. SyWinger |  Eyüpspor | 🏳️ | 0 | 0 | 0 | 5.4 | 0 | 39 |
| A. KabacalmanDefensive midfielder |  FC Sion | 🇨🇭Switzerland | 30 | 3 | 2 | 4.6 | 39 | 28 |
| A. KabakAttacking midfielder |  Erzurumspor FK | 🇹🇷Türkiye | 25 | 2 | 2 | 5.3 | 9▲4400%↩ | 35▼6.4%↩ |
| A. KabashiCentre-back |  Botev Vratsa | 🏳️ | 29 | 1 | 0 | 1.5 | 14 | 18 |
| A. KabashiCentral midfielder |  Utsikten | 🇦🇱Albania | 29 | 3 | 0 | 1.2 | 17 | 16▼12.3%↩ |
| A. KabashiCentre-back | Botev Vratsa | 🇽🇰Kosovo | 29 | 0 | 0 | 1 | 0 | 15 |
| A. KabovAttacking midfielder |  Arda Kardzhali | 🇧🇬Bulgaria | 27 | 1 | 2 | 2.8 | 8 | 25 |
| A. KadeCentral midfielder |  FC Augsburg | 🇩🇪Germany | 22 | 6 | 0 | 44.5 | 39▲2876.9%↩ | 78▲25%↩ |
| A. KadlecFull-back |  Bohemians 1905 | 🇨🇿Czechia | 23 | 2 | 1 | 0 | 7 | 2 |
| A. KadriCentral midfielder |  Gent | 🇩🇿Algeria | 26 | 2 | 5 | 17 | 32▼2.1%↩ | 47▼12.1%↩ |
| A. KadušićFull-back |  Istra 1961 | 🇧🇦Bosnia and Herzegovina | 28 | 1 | 2 | 3.6 | 30 | 26 |
| A. KahvićCentre-forward |  SSV Ulm 1846 | 🇧🇦Bosnia and Herzegovina | 22 | 0 | 0 | 5.9 | 0 | 33▼32.7% |
| A. KaiedAttacking midfielder |  Zamalek SC | 🇸🇪Sweden | 24 | 0 | 1 | 4.5 | 5±0% | 35▼39.8%↩ |
| A. KakoullisCentre-forward |  AIK Stockholm | 🇨🇾Cyprus | 25 | 3 | 0 | 4 | 10 | 31 |
| A. KalandadzeCentre-back |  Wisla Plock | 🇬🇪Georgia | 25 | 0 | 0 | 4.2 | 2 | 29 |
| A. KalikCentral midfielder |  HNK Hajduk Split | 🇦🇺Australia | 28 | 1 | 0 | 1.9 | 6 | 23 |
| A. KalimuendoWinger |  Nottingham Forest | 🇫🇷France | 24 | 0 | 0 | 76.3 | 0▼100%↩ | 64▼25.3%↩ |
| A. KalogeropoulosCentre-back |  Olympiakos Piraeus | 🇬🇷Greece | 22 | 0 | 0 | 5.4 | 8▼68.4%↩ | 36▼18.5%↩ |
| A. KalstadCentre-back | Sogndal | 🇳🇴Norway | 20 | 0 | 0 | 2.7 | 0 | 28▼2.8% |
| A. KaluluCentre-forward |  FK Partizan | 🇨🇩Congo DR | 30 | 0 | 0 | 1.2 | 0▼100%↩ | 15▼73.5%↩ |
| A. KamaraWinger |  Getafe | 🏴England | 23 | 0 | 0 | 44.3 | 0▼100%↩ | 67▼2.5%↩ |
| A. KamaraCentral midfielder |  FC Saarbrücken | 🇬🇳Guinea | 21 | 1 | 0 | 6.4 | 5▲575%↩ | 38▼32.1%↩ |
| A. KamardinCentre-back |  Patro Eisden | 🇰🇲Comoros | 24 | 0 | 0 | 7.1 | 0 | 35 |
| A. KamedaCentral midfielder |  Kataller Toyama | 🇯🇵Japan | 19 | 0 | 0 | 4.9 | 0 | 34 |
| A. KaneharaCentre-forward |  Kochi United | 🇯🇵Japan | 25 | 1 | 0 | 2 | 3 | 23 |
| A. KantéDefensive midfielder | Middlesbrough | 🇫🇷France | 21 | 0 | 0 | 23.9 | 1▼97.1%↩ | 58▼9.4%↩ |
| A. KantéWinger |  Austria Vienna | 🇨🇮Côte d'Ivoire | 21 | 0 | 0 | 6.5 | 0 | 37 |
| A. KantéCentre-forward |  Dunkerque | 🇬🇲Gambia | 31 | 1 | 0 | 3.8 | 5▼79.4%↩ | 23▼38.9%↩ |
| A. KaplanCentre-back |  NEC Nijmegen | 🇹🇷Türkiye | 23 | 1 | 0 | 32.9 | 27▲93%↩ | 71▲13.3%↩ |
| A. KaprálikWinger |  Holstein Kiel | 🇸🇰Slovakia | 24 | 4 | 3 | 23.6 | 27±0% | 62▲49.6%↩ |
| A. KaraAttacking midfielder | Amed | 🇹🇷Türkiye | 33 | 3 | 2 | 0.9 | 12▼65.1%↩ | 10▼58.1%↩ |
| A. KarabecCentral midfielder |  Sparta Praha | 🇨🇿Czechia | 23 | 1 | 0 | 0 | 3▼91.3%↩ | 2▼97.9%↩ |
| A. KarademirWinger |  Pendikspor | 🇹🇷Türkiye | 22 | 1 | 0 | 5 | 4 | 35▼17.7%↩ |
| Ã. KarahanCentre-forward |  İstanbulspor | 🏳️ | 19 | 0 | 0 | 3.9 | 0 | 32 |
| A. KaramanAttacking midfielder |  Esenler Erokspor | 🇹🇷Türkiye | 29 | 3 | 1 | 1.9 | 11 | 23 |
| A. KarapoFull-back |  Manisa F.K. | 🇹🇷Türkiye | 22 | 2 | 3 | 9.8 | 42▲6850%↩ | 41▲1%↩ |
| A. KarasalidisCentre-back |  Panserraikos | 🇬🇷Greece | 35 | 0 | 0 | 0.3 | 4▲33.3% | 6▼31.9% |
| A. KarazorCentral midfielder |  VfB Stuttgart | 🇩🇪Germany | 29 | 0 | 1 | 16.4 | 23▼53.6% | 50▼26.7% |
| A. KardaÅCentral midfielder | Lechia Gdansk | 🇵🇱Poland | 19 | 0 | 0 | 3.5 | 0 | 31 |
| A. KargboWinger |  Blackburn | 🇸🇱Sierra Leone | 26 | 1 | 1 | 23 | 5▼64.4%↩ | 50▼14.7%↩ |
| A. KarimiDefensive midfielder |  Kayserispor | 🇮🇷Iran | 32 | 0 | 0 | 1.1 | 0▼98.4% | 11▼55.1% |
| A. KarlssonFull-back | Utsikten | 🇸🇪Sweden | 19 | 0 | 1 | 1.6 | 0 | 25 |
| A. KaroCentre-back |  AFC Hermannstadt | 🇨🇾Cyprus | 29 | 1 | 0 | 1.4 | 9▼1.1%↩ | 20▼36.2%↩ |
| A. KarpenkoGoalkeeper |  FC Krasnodar | 🏳️ | 17 | 0 | 0 | 2.2 | 0 | 29 |
| A. KarpukasDefensive midfielder |  Lokomotiv | 🇷🇺Russia | 24 | 1 | 2 | 5.9 | 33▲35.8% | 35▲3% |
| A. KashiCentral midfielder |  Annecy | 🇩🇿Algeria | 37 | 1 | 2 | 3.1 | 35▲7.3% | 20▼23.2% |
| A. KasimovFull-back |  FC Orenburg | 🇷🇺Russia | 23 | 0 | 1 | 3.1 | 13▼12.6% | 29▲1% |
| A. KasperkiewiczCentre-back |  Nieciecza | 🇵🇱Poland | 31 | 2 | 1 | 2 | 20▼29.4%↩ | 19▼37.5%↩ |
| A. KassimiWinger |  MVV | 🇧🇪Belgium | 24 | 0 | 0 | 11.8 | 0▼100% | 40▼13% |
| A. KataiAttacking midfielder |  FK Crvena Zvezda | 🇷🇸Serbia | 35 | 24 | 5 | 1.2 | 63▲3388.9%↩ | 15▼26.1%↩ |
| A. KatićGoalkeeper |  AS Trencin | 🇷🇸Serbia | 24 | 0 | 0 | 3.7 | 14 | 32 |
| A. KatránisFull-back |  Real Salt Lake | 🇬🇷Greece | 28 | 1 | 3 | 3.5 | 12▼50.2% | 31▼19.5% |
| A. KatsantonisCentre-forward |  Piast Gliwice | 🇨🇾Cyprus | 26 | 1 | 0 | 3.9 | 3▼19% | 27▼13.8% |
| A. KawaiCentre-back |  Montedio Yamagata | 🇯🇵Japan | 26 | 0 | 0 | 5.5 | 2 | 30 |
| A. KawataCentre-forward |  Thespakusatsu Gunma | 🇯🇵Japan | 33 | 2 | 2 | 0.4 | 9▲322.7%↩ | 7▼60.2%↩ |
| A. KawazuraCentre-back |  Nagoya Grampus | 🇯🇵Japan | 32 | 1 | 0 | 2.1 | 12▼58% | 17▼40.8% |
| A. KayaCentre-forward | Kayserispor | 🇹🇷Turkey | 20 | 0 | 0 | 7.4 | 0 | 38 |
| A. KayaCentre-forward | Kayserispor | 🇹🇷Türkiye | 20 | 0 | 0 | 7.4 | 0 | 38 |
| A. KayomboAttacking midfielder |  Sturm Graz | 🇫🇷France | 20 | 1 | 1 | 7.3 | 7 | 44 |
| A. KayondoCentral midfielder |  Slovan Liberec | 🇺🇬Uganda | 23 | 0 | 3 | 0 | 21 | 2 |
| Á. KecskésCentre-back |  Diosgyori VTK | 🇭🇺Hungary | 30 | 0 | 0 | 1 | 3 | 15▼31.2%↩ |
| A. KeitaDefensive midfielder |  AS Eupen | 🇬🇳Guinea | 24 | 0 | 1 | 8 | 13▼48.2% | 40▼8.7% |
| A. KeitaFull-back |  Masr | 🇸🇱Sierra Leone | 20 | 0 | 2 | 3.8 | 3 | 34 |
| A. KeitaCentre-back |  National Bank of Egypt | 🇬🇳Guinea | 22 | 0 | 0 | 3.6 | 0 | 29 |
| A. KeitaCentre-back |  Kalmar FF | 🇺🇸USA | 26 | 2 | 0 | 3.3 | 27▲151.9%↩ | 25▼36%↩ |
| A. KeitaCentral midfielder | Diosgyori VTK | 🇨🇮Côte d'Ivoire | 28 | 2 | 0 | 1.7 | 14▲70.9%↩ | 22▼26.3%↩ |
| A. KeitaGoalkeeper |  Ostersunds FK | 🇬🇳Guinea | 39 | 0 | 0 | 0 | 0▼100% | 1▼87.5% |
| A. KelatiCentral midfielder | Holstein Kiel | 🇩🇪Germany | 23 | 0 | 0 | 19.1 | 3▼52.2% | 50▼25.9% |
| A. KellerWinger |  SpVgg Greuther Fürth | 🇨🇭Switzerland | 22 | 2 | 1 | 20.7 | 14▼36.8%↩ | 57▼6.5%↩ |
| A. Kelly-HealdGoalkeeper | Wellington Phoenix | 🇳🇿New Zealand | 21 | 0 | 0 | 0.5 | 0 | 16 |
