| M. RusnákAttacking midfielder | Podbrezová | 🇸🇰Slovakia | 26 | 14 | 0 | 1 | 4.3 | 3 | 25 |
| M. RuskovCentre-back | Lokomotiv Plovdiv | 🇧🇬Bulgaria | 25 | 29 | 0 | 0 | 3.8 | 20 | 32 |
| M. RundićFull-back | Slovácko | 🇷🇸Serbia | 34 | 23 | 0 | 0 | 1.4 | 11▲20.4%↩ | 1▼95.9%↩ |
| M. Ruíz DíazCentre-back | Estudiantes de Rio Cuarto | 🇦🇷Argentina | 30 | 3 | 0 | 0 | 2.7 | 0▼96.1% | 20▼1.9% |
| M. RuizCentre-back | Talleres Cordoba | 🇦🇷Argentina | 22 | 0 | 0 | 0 | 10.8 | 0 | 43 |
| M. RuizCentral midfielder | Toluca | 🇲🇽Mexico | 25 | 30 | 3 | 4 | 21.9 | 40▼30.8% | 52▼10.9% |
| M. Rugland ReeGoalkeeper | Bryne | 🇳🇴Norway | 22 | 7 | 0 | 0 | 3.3 | 0 | 30 |
| M. RuggeroCentre-back | Catanzaro | 🇮🇹Italy | 26 | 5 | 0 | 0 | 17.8 | 22±0% | 54±0% |
| M. RuggeriCentre-back | Aston Villa | 🇮🇹Italy | 24 | 3 | 0 | 0 | 77.3 | 31±0% | 82±0% |
| M. RuedaCentral midfielder | Patronato | 🇦🇷Argentina | 28 | 10 | 0 | 0 | 2.7 | 0 | 26 |
| M. RudakovGoalkeeper | FC Orenburg | 🇷🇺Russia | 30 | 1 | 0 | 0 | 0.7 | 0 | 13▲2.5%↩ |
| M. RubenCentre-forward | Rosario Central | 🇦🇷Argentina | 39 | 3 | 0 | 0 | 0.2 | 0▼100% | 3▼62.3% |
| M. RoverCentral midfielder | Reggiana | 🇮🇹Italy | 27 | 32 | 1 | 2 | 18.3 | 24▲33.5%↩ | 46▼19%↩ |
| M. RouaiCentral midfielder | Valenciennes | 🇫🇷France | 25 | 0 | 0 | 0 | 4.2 | 0▼100%↩ | 29▼41.9%↩ |
| M. RotsFull-back | 1899 Hoffenheim | 🇳🇱Netherlands | 20 | 4 | 0 | 0 | 32.9 | 44▲5.5%↩ | 84±0% |
| M. RossignolCentral midfielder | Le Mans | 🇫🇷France | 22 | 24 | 1 | 1 | 40 | 16▲75.6% | 58▲41.3% |
| M. RossCentre-back | Plymouth | 🇩🇰Denmark | 25 | 5 | 0 | 0 | 8.7 | 28±0% | 48±0% |
| M. RosetiCentre-forward | Quilmes | 🇦🇷Argentina | 29 | 16 | 0 | 0 | 2.2 | 0 | 23 |
| M. RosethCentre-back | Viking | 🇳🇴Norway | 28 | 20 | 4 | 0 | 6.2 | 34▲225.7%↩ | 35▲8.3%↩ |
| M. RosenfelderCentre-back | SC Freiburg | 🇩🇪Germany | 23 | 1 | 0 | 0 | 37.6 | 5±0% | 66±0% |
| M. RoseCentre-back | Salford City | 🏴Scotland | 30 | 3 | 0 | 0 | 0.7 | 2▼82.3%↩ | 14▼66.7%↩ |
| M. RosalesCentre-back | Central Norte | 🇦🇷Argentina | 34 | 13 | 0 | 0 | 1 | 20 | 11 |
| M. RömlingFull-back | Tatran Prešov | 🇩🇪Germany | 25 | 11 | 0 | 0 | 3 | 1▼95.2%↩ | 26▼35.3%↩ |
| M. RomeroCentre-forward | Chaco For Ever | 🇦🇷Argentina | 32 | 15 | 6 | 0 | 2 | 27 | 17 |
| M. RomeroCentre-back | Chaco For Ever | 🇦🇷Argentina | 31 | 12 | 1 | 0 | 2.3 | 21 | 18 |
| M. RomeroCentral midfielder | Miami FC | 🇦🇷Argentina | 30 | 15 | 1 | 0 | 1.9 | 15▲2.7%↩ | 18▼55.6%↩ |
| M. RomeroCentre-forward | Colo Colo | 🇦🇷Argentina | 27 | 13 | 7 | 2 | 2.2 | 24▼44.9%↩ | 23▼58.1%↩ |
| M. RomeroCentral midfielder | Temperley | 🇦🇷Argentina | 23 | 0 | 0 | 0 | 5.6 | 0 | 32 |
| M. RomanCentre-forward | Arges Pitesti | 🇷🇴Romania | 34 | 1 | 0 | 0 | 0.2 | 0 | 4 |
| M. RoldánWinger | Banfield | 🇦🇷Argentina | 21 | 2 | 0 | 0 | 10.2 | 0 | 43▼2.3% |
| M. RojoFull-back | Racing Club | 🇦🇷Argentina | 36 | 17 | 1 | 1 | 2 | 22▼5.6%↩ | 15▲22.3%↩ |
| M. RohrCentre-back | SV Elversberg | 🇩🇪Germany | 31 | 4 | 0 | 0 | 4 | 42±0% | 35±0% |
| M. RöhlCentre-back | Everton | 🇩🇪Germany | 24 | 3 | 0 | 0 | 86.2 | 15▲22.1% | 73▲0.8% |
| M. RohdénCentral midfielder | IF Elfsborg | 🇸🇪Sweden | 35 | 2 | 0 | 0 | 0.2 | 1▼98.1%↩ | 5▼78.1%↩ |
| M. RoginićCentre-forward | Žilina | 🇭🇷Croatia | 31 | 30 | 3 | 2 | 1.4 | 17▲57.4%↩ | 18▼47.2%↩ |
| M. RogersWinger | Chelsea | 🏴England | 24 | 5 | 3 | 1 | 94.9 | 53±0% | 100▲0.5%↩ |
| M. RoganovićCentre-back | Genk | 🇲🇪Montenegro | 20 | 1 | 0 | 0 | 12.4 | 34±0% | 46±0% |
| M. RogCentral midfielder | NK Lokomotiva Zagreb | 🇭🇷Croatia | 31 | 2 | 0 | 0 | 0.7 | 0▼100%↩ | 11▼74.6%↩ |
| M. RoerslevCentre-back | Southampton | 🇩🇰Denmark | 27 | 9 | 0 | 0 | 21 | 3▼74.8%↩ | 45▼39.9%↩ |
| M. RoedeCentral midfielder | Jong AZ | 🏳️ | 19 | 3 | 0 | 0 | 11.1 | 0 | 59 |
| M. RodríguezCentre-back | Talleres Remedios | 🇦🇷Argentina | 38 | 13 | 0 | 0 | 0.4 | 7▼74.6%↩ | 6▼54.1%↩ |
| M. RodríguezCentral midfielder | All Boys | 🇦🇷Argentina | 33 | 0 | 0 | 0 | 0.4 | 0 | 7 |
| M. RodríguezCentral midfielder | Erzurumspor FK | 🇨🇱Chile | 32 | 6 | 0 | 0 | 1.4 | 38▲35.6% | 17▼12.2% |
| M. RodríguezCentral midfielder | Sacramento Republic | 🇺🇸USA | 30 | 19 | 0 | 0 | 1.2 | 5▼84.7%↩ | 20▼37.1%↩ |
| M. RodríguezCentre-back | Defensores De Belgrano | 🇦🇷Argentina | 28 | 8 | 0 | 0 | 2.5 | 8 | 25 |
| M. RodríguezWinger | Necaxa | 🇲🇽Mexico | 23 | 9 | 1 | 1 | 11.6 | 9±0% | 41▼8.9%↩ |
| M. RodríguezCentre-forward | Huachipato | 🇨🇱Chile | 26 | 14 | 1 | 0 | 2.4 | 4 | 41 |
| M. RodríguezCentre-back | FC Krasnodar | 🇺🇾Uruguay | 23 | 23 | 1 | 0 | 6 | 28▲70.1%↩ | 54▲12.7%↩ |
| M. RodriguezCentral midfielder | Detroit City | 🇺🇸USA | 31 | 17 | 2 | 1 | 1.8 | 19 | 16 |
| M. RodriguezCentral midfielder | El Paso Locomotive | 🇺🇸USA | 22 | 1 | 0 | 0 | 3.2 | 0 | 28 |
| M. RodriguezCentral midfielder | Sporting Gijon | 🏳️ | 19 | 3 | 0 | 0 | 19.7 | 13±0% | 62±0% |
| M. RodinFull-back | Lechia Gdansk | 🇭🇷Croatia | 30 | 26 | 1 | 3 | 1.6 | 14▼46.9%↩ | 22▼15.3%↩ |
| M. RodićFull-back | OFK Beograd | 🇷🇸Serbia | 35 | 12 | 3 | 1 | 0.5 | 7 | 8 |
| M. RodákGoalkeeper | Al-Ettifaq | 🇸🇰Slovakia | 29 | 34 | 0 | 0 | 6.6 | 22▲24.3% | 41▼17.2% |
| M. RochaCentre-back | Union Santa Fe | 🇺🇾Uruguay | 25 | 2 | 0 | 0 | 10.3 | 0▼98.7%↩ | 39▼25.2%↩ |
| M. RobinsonCentre-back | FC Cincinnati | 🇺🇸USA | 29 | 20 | 0 | 0 | 2.8 | 12▼66.8% | 26▼9.7% |
| M. RobinDefensive midfielder | Estoril | 🇫🇷France | 26 | 2 | 0 | 0 | 15.6 | 29±0% | 55±0% |
| M. RobertsGoalkeeper | Watford | 🏴England | 24 | 43 | 0 | 0 | 16.3 | 19 | 35 |
| M. RobberechtsWinger | Club Brugge II | 🇧🇪Belgium | 22 | 5 | 4 | 0 | 8.5 | 28±0% | 47▲1.3%↩ |
| M. RizničCentral midfielder | Teplice | 🇸🇰Slovakia | 22 | 0 | 0 | 1 | 9.7 | 18 | 2 |
| M. RiveraCentral midfielder | Nublense | 🇨🇱Chile | 30 | 20 | 1 | 1 | 0.6 | 15 | 13 |
| M. RiveraCentre-back | Cadiz | 🏳️ | 17 | 2 | 0 | 0 | 16.1 | 1 | 54 |
| M. RiveraWinger | Heerenveen | 🇫🇷France | 24 | 6 | 2 | 1 | 28.6 | 40±0% | 71±0% |
| M. RivaderoCentral midfielder | Deportivo Madryn | 🇦🇷Argentina | 33 | 0 | 0 | 0 | 0.4 | 0 | 7 |
| M. RittmüllerCentral midfielder | TSV 1860 München | 🇩🇪Germany | 27 | 29 | 1 | 1 | 5.9 | 12▼11.2%↩ | 32▼40.2%↩ |
| M. RitterCentre-forward | 1. FC Kaiserslautern | 🇩🇪Germany | 31 | 6 | 0 | 0 | 4.1 | 40±0% | 33±0% |
| M. RitsCentral midfielder | Beerschot VA | 🇧🇪Belgium | 33 | 3 | 0 | 0 | 0.7 | 1±0% | 8±0% |
| M. RistićDefensive midfielder | Radnicki 1923 | 🇷🇸Serbia | 31 | 20 | 0 | 0 | 1.4 | 12 | 17 |
| M. RistićCentral midfielder | FK Crvena Zvezda | 🇷🇸Serbia | 30 | 5 | 0 | 0 | 2.7 | 4▲2.8%↩ | 33▼32.9%↩ |
| M. RíosCentral midfielder | San Martin Tucuman | 🇦🇷Argentina | 22 | 0 | 0 | 0 | 5.4 | 0 | 33 |
| M. RiosCentral midfielder | Colorado Springs | 🇺🇸USA | 20 | 2 | 0 | 0 | 3 | 0 | 29 |
| M. RíoAttacking midfielder | San Lorenzo | 🇦🇷Argentina | 25 | 9 | 1 | 0 | 10.5 | 0▼100%↩ | 40▼26.4%↩ |
| M. RikhotsoCentre-back | Marumo Gallants | 🇿🇦South Africa | 33 | 5 | 0 | 0 | 0.1 | 2 | 0 |
| M. RijksCentre-forward | Bristol Rovers | 🇳🇱Netherlands | 23 | 13 | 1 | 0 | 3.2 | 3▼92.8%↩ | 28▼25.2%↩ |
| M. RiisnæsCentral midfielder | Bodo/Glimt | 🇳🇴Norway | 21 | 3 | 0 | 0 | 5.9 | 0▼97.2%↩ | 37▼14.7%↩ |
| M. RifaatCentre-forward | El Mokawloon | 🏳️ | 0 | 0 | 0 | 0 | 0.9 | 0 | 20 |
| M. RiemannGoalkeeper | Alemannia Aachen | 🇩🇪Germany | 38 | 9 | 0 | 0 | 0.3 | 1▼83.3%↩ | 4▼71.8%↩ |
| M. RichterCentral midfielder | Havelse | 🇩🇪Germany | 24 | 0 | 0 | 0 | 5.9 | 0 | 34 |
| M. RichterCentral midfielder | Havelse | 🏳️ | 23 | 15 | 0 | 1 | 7.2 | 4 | 38 |
| M. RichterCentral midfielder | SV Darmstadt 98 | 🇩🇪Germany | 28 | 2 | 0 | 0 | 7.1 | 37▲9.1% | 48±0% |
| M. RicciardiCentre-back | Juve Stabia | 🇮🇹Italy | 26 | 3 | 0 | 0 | 17.1 | 7±0% | 49±0% |
| M. RiberoCentral midfielder | Central Norte | 🇦🇷Argentina | 28 | 8 | 0 | 0 | 2.4 | 0 | 23 |
| M. ReynosoGoalkeeper | San Miguel | 🇦🇷Argentina | 22 | 0 | 0 | 0 | 5.2 | 0 | 33 |
| M. ReyesGoalkeeper | Deportes Iquique | 🇨🇱Chile | 22 | 3 | 0 | 0 | 1.1 | 0 | 20 |
| M. ReusAttacking midfielder | Los Angeles Galaxy | 🇩🇪Germany | 37 | 25 | 7 | 7 | 0.9 | 42▲31.9% | 12▲43.2% |
| M. ReteguiCentre-forward | Al-Qadisiyah FC | 🇮🇹Italy | 27 | 7 | 4 | 0 | 12.6 | 54±0% | 50±0% |
| M. RenteCentre-back | Groningen | 🇩🇪Germany | 29 | 4 | 0 | 0 | 8.1 | 37±0% | 49±0% |
| M. RembergGoalkeeper | VfL Osnabrück | 🇩🇪Germany | 20 | 0 | 0 | 0 | 16.3 | 0 | 38 |
| M. RemacleCentral midfielder | Korona Kielce | 🇧🇪Belgium | 29 | 8 | 0 | 1 | 1.7 | 34±0% | 27±0% |
| M. ReinthalerDefensive midfielder | TSV 1860 München | 🇮🇹Italy | 31 | 23 | 1 | 1 | 2.8 | 22▲176.3% | 20▼10.1% |
| M. ReindorfWinger | Cardiff | 🏴England | 21 | 16 | 0 | 1 | 5.7 | 3 | 28▼25.8%↩ |
| M. ReichmuthDefensive midfielder | FC Zurich | 🇨🇭Switzerland | 22 | 18 | 0 | 1 | 7.1 | 14 | 39 |
| M. ReichlGoalkeeper | Bohemians 1905 | 🇨🇿Czechia | 34 | 23 | 0 | 0 | 1.7 | 12 | 1 |
| M. RehušCentre-forward | FK Košice | 🇸🇰Slovakia | 21 | 22 | 5 | 3 | 3.6 | 21 | 34 |
| M. RegžaCentre-forward | Nyiregyhaza | 🇱🇻Latvia | 27 | 16 | 0 | 0 | 4 | 0 | 1 |
| M. RegułaWinger | Zaglebie Lubin | 🇵🇱Poland | 19 | 9 | 2 | 0 | 4.7 | 26±0% | 44▲3% |
| M. RegáliCentre-forward | Tatran Prešov | 🇸🇰Slovakia | 32 | 30 | 5 | 0 | 1 | 18▲397.2%↩ | 13▼59.9%↩ |
| M. RecaldeDefensive midfielder | Gimnasia M. | 🇦🇷Argentina | 29 | 21 | 0 | 0 | 4.6 | 18▲371.1% | 32▲45.8% |
| M. RealiCentral midfielder | San Lorenzo | 🇦🇷Argentina | 29 | 15 | 0 | 1 | 4.3 | 13▲63.4% | 30▼6% |
| M. RealFull-back | Hartford Athletic | 🇺🇸USA | 27 | 12 | 1 | 1 | 3.4 | 11▲28.9%↩ | 24▼36.5%↩ |