Transfered players: 129
| Player Name | Before | After |
|---|---|---|
| Oskar Haugstrup | FREE | Aarhus HB |
| Yaseen Al Zubaidi | FREE | Al Ahli Saudi FC |
| Mahmoud Al Tumbkti | FREE | Al Ahli Saudi FC |
| Jassim Al-Zarra | Al Wakrah SC | Al Gharafa SC |
| Ali Lajami | Al Nassr FC | Al Hilal SFC |
| Abdulkarim Darisi | Al-Ahli Saudi FC | Al Hilal SFC |
| Mohammad Abu Zraiq | Al Shorta SC | Al Hussein SC |
| Sultan Al Farhan | Al Taawoun FC | Al Ittihad Club |
| Adnan Al Bishri | Al-Ahli Saudi FC | Al Ittihad Club |
| Mohammed Hazazi | Al Nassr FC | Al Ittihad Club |
| Nawaf Al Aqidi | FREE | Al Nassr FC |
| Mubarak Al Dawsari | FREE | Al Nassr FC |
| Abdulrahman Al Enazi | FREE | Al Nassr FC |
| Roberto Firmino | Al-Ahli Saudi FC | Al Sadd SC |
| Mohammed Waad | FREE | Al Sadd SC |
| Caio Canedo | Al Wasl FC | Al Wahda FC |
| Ilan Daf | FREE | Amiens SC |
| Ahmet Ataýew | Altyn Asyr FK | Arkadag FK |
| Almami Touré | FREE | AS Nancy-Lorraine |
| Tevis Gabriel | FREE | Athletico Paranaense |
| Gustavo Assunção | FREE | AVS Futebol |
| Rwan Cruz | Salt Lake RB | Botafogo FR |
| Pathomphon C. | Port FC | Buriram United F.C. |
| Thanakrit C. | FREE | Buriram United F.C. |
| Shumaira Mheuka | FREE | Chelsea B |
| Reggie Walsh | FREE | Chelsea B |
| Pedro Delgado | Shandong Taishan FC | Chengdu Rongcheng FC |
| Wang Dongsheng | Zhejiang FC | Chengdu Rongcheng FC |
| Cole Mrowka | Columbus BY | Colorado Springs FC |
| Alessandro | FREE | Cruzeiro EC |
| Cauan Baptistella | FREE | Cruzeiro EC |
| Ismael Álvarez | FREE | Cádiz AA |
| Kieran O'Hara | FREE | Dundee FC |
| Ku Ja-Ryong | Jeonbuk Hyundai Motors | Eastern SC |
| Arthur Theate | FREE | Eintracht Frankfurt |
| Ritsu Doan | FREE | Eintracht Frankfurt |
| Hugo Larsson | FREE | Eintracht Frankfurt |
| Robin Koch | FREE | Eintracht Frankfurt |
| Michy Batshuayi | FREE | Eintracht Frankfurt |
| Rasmus Kristensen | FREE | Eintracht Frankfurt |
| Aurélio Buta | FREE | Eintracht Frankfurt |
| Aurèle Amenda | FREE | Eintracht Frankfurt |
| Can Uzun | FREE | Eintracht Frankfurt |
| Flavio Bianchi | FREE | Empoli A |
| Matteo Carbone | FREE | Entella BA |
| Juan Aristizábal | FREE | Envigado N |
| Saman Fallah | FREE | Esteghlal FC |
| Doniyor Abdumannopov | FREE | FC Andijan |
| Nils Eggens | FREE | FC Groningen |
| Takuma Nishimura | FREE | FC Machida Zelvia |
| Ryuho Kikuchi | FREE | FC Machida Zelvia |
| Dragan Ćeran | FREE | FC Nasaf |
| Umar Eshmuradov | Selangor FC | FC Nasaf |
| João Teixeira | FREE | FC Porto |
| André Oliveira | FREE | FC Porto |
| Gabriel Brás | FREE | FC Porto |
| Kim Jin-Su | Jeonbuk Hyundai Motors | FC Seoul |
| Moon Seon-Min | Jeonbuk Hyundai Motors | FC Seoul |
| Tyler Deric | FREE | FC Tulsa |
| Kristian Pedersen | FREE | Fredericia RS |
| Makoto Mitsuta | Sanfrecce Hiroshima | Gamba Osaka |
| Yun Il-Lok | Ulsan Hyundai FC | Gangwon FC |
| Kim Min-Jun | Ulsan Hyundai FC | Gangwon FC |
| Bruno Oliveira | Gwangju FC | Gangwon FC |
| Aleksandar Andreev | FREE | Girona R |
| Lass Kourouma | FREE | Girona R |
| Marlon | Cruzeiro EC | Grêmio FBPA |
| Alex Santana | SC Corinthians Paulista | Grêmio FBPA |
| Alysson Edward | FREE | Grêmio FBPA |
| Jardiel | FREE | Grêmio FBPA |
| William Feola | FREE | Hellas Verona FC |
| Izham Tarmizi | FREE | Johor Darul Ta'zim FC |
| Syahmi Safari | FREE | Johor Darul Ta'zim FC |
| Kaide Gordon | FREE | Liverpool R |
| Kieran Morrison | FREE | Liverpool R |
| Thomas Sajous | FREE | LOSC Lille |
| Garrison Tubbs | Washington D.C. BR | Loudoun United FC |
| Anthony Cáceres | Sydney FC | Macarthur FC |
| Ilias Kostis | FREE | Madrid Rosas RB |
| Mustafa Obut | FREE | Mondihome Kayserispor |
| Arda Kaya | FREE | Mondihome Kayserispor |
| Eli Dasa | FREE | N.E.C. Nijmegen |
| Mahmoud Eid | True Bangkok United FC | Nam Dinh FC |
| Quentin Ndjantou | FREE | Paris Saint-Germain |
| Wassim Slama | FREE | Paris Saint-Germain |
| Jeronimo Osorno | FREE | Pasto RAA |
| Frans Putros | Port FC | Persib Bandung |
| Andrew Gravillon | FREE | Pescara BA |
| Lorenzo Tosi | FREE | Pisa Sporting Club |
| Josh Gentles | FREE | Rangers FC |
| Aiden McCallion | FREE | Rangers FC |
| Thossawat L. | True Bangkok United FC | Ratchaburi FC |
| Thiraphon Yoyoei | Muangthong United FC | Ratchaburi FC |
| Giorgio De Marzi | FREE | Roma GR |
| Tomás Salteño | FREE | Rosario AA |
| Memphis Depay | FREE | SC Corinthians Paulista |
| José Martínez | FREE | SC Corinthians Paulista |
| Fabricio Angileri | FREE | SC Corinthians Paulista |
| Chrigor | FREE | Selangor FC |
| Ricardo Alves | Tractor SC | Sepahan SC |
| Seyed H. Hosseini | Esteghlal FC | Sepahan SC |
| Arash Rezavand | Esteghlal FC | Sepahan SC |
| Milad Zakipour | FREE | Sepahan SC |
| Alex Jojo | Eastern FC | Shanghai Port FC |
| Wang Yiwei | FREE | Shanghai Port FC |
| Majid Surour | Al Wasl FC | Sharjah FC |
| Paulinho Simionato | Lee Man FC | Tai Po FC |
| Kyoga Nakamura | Tampines Rovers FC | True Bangkok United FC |
| Jakkapan Praisuwan | Muangthong United FC | True Bangkok United FC |
| Seia Kunori | Tampines Rovers FC | True Bangkok United FC |
| Jung Seung-Hyun | Al Wasl FC | Ulsan HD FC |
| Lee Jae-Ik | Jeonbuk Hyundai Motors | Ulsan HD FC |
| Heo Yool | FREE | Ulsan HD FC |
| Lee Hui-Gyun | FREE | Ulsan HD FC |
| Jonas Martin | FREE | US Boulogne CO |
| Ibrahim Koné | FREE | US Boulogne CO |
| Exaucé M. Boula | FREE | US Boulogne CO |
| Gabin Capuano | FREE | US Boulogne CO |
| Lilian Raillot | FREE | US Boulogne CO |
| Jhon Valoyes | FREE | Valledupar ABR |
| Aitor Fraga | Vasco Gipuzkoa AB | Vasco Gipuzkoa AB II |
| Egoitz Arana | Vasco Gipuzkoa AB | Vasco Gipuzkoa AB II |
| Anartz Segurola | FREE | Vasco Gipuzkoa AB II |
| Alex Lebarbier | Vasco Gipuzkoa AB II | Vasco Gipuzkoa AB |
| Isma Sierra | FREE | Villarreal A |
| Katsuya Nagato | Yokohama F. Marinos | Vissel Kobe |
| Jean Patric | FREE | Vissel Kobe |
| Pajtim Kasami | FREE | Winterthur RW |
| Neymar Jr | Santos FC | FREE |