FC Bay 
Transfers
| Date | Player | From team | To team | Transfer fee |
|---|---|---|---|---|
| october 10 2021 |  H. Diaher | FC Bay | FC Wereldreizigers | RSD69 959 688 |
| september 17 2021 |  V. Shekhodanov |  FK Kaunas #3 | FC Bay | RSD32 060 171 |
| august 23 2021 |  J. Herzog | FC Bay |  Czestochowa #3 (On loan) | (RSD265 096) |
| august 22 2021 |  M. Muponda | Flamenco Cadiz | FC Bay | RSD107 520 001 |
| august 20 2021 | B. Begeman | FC Bay |  perama city | RSD42 940 768 |
| july 4 2021 | P. Nagel | FC Bay |  Shining Force | RSD28 167 000 |
| july 3 2021 | H. Diaher | FC Bay |  FC Lome (On loan) | (RSD394 836) |
| july 2 2021 | R. Brits | FC Bay | FC Enschede (On loan) | (RSD281 274) |
| june 30 2021 |  N. Mota | XingLing eSports | FC Bay | RSD131 632 761 |
| may 16 2021 |  D. Bussetil |  Rīgas Dinamo | FC Bay | RSD174 400 000 |
| may 13 2021 | P. Nagel | FC Bay | FC Diemen (On loan) | (RSD286 199) |
| may 12 2021 |  K. Péter-Szabó | FC Bay | Manilas kaņepāji | RSD33 656 689 |
| may 9 2021 | P. IJsselsteen | FC Bay |  Green Gold | RSD33 577 999 |
| april 14 2021 | W. Nobel | FC Bay |  WittenStriker | RSD69 932 308 |
| march 25 2021 | K. Péter-Szabó | FC Bay | JSV-Players (On loan) | (RSD1 562 829) |
| march 21 2021 | B. Begeman | FC Bay |  FC Kriens (On loan) | (RSD627 490) |
| march 20 2021 | K. Péter-Szabó | Vacak FC | FC Bay | RSD32 156 091 |
| march 19 2021 | P. Nagel | FC Bay |  AC Creil (On loan) | (RSD223 802) |
| january 31 2021 | P. IJsselsteen | FC Bay | AS Toulouse #12 (On loan) | (RSD294 893) |
| january 28 2021 | D. Best | FC Bay |  Zhangjiakou #4 | RSD51 320 068 |
| january 27 2021 | H. Sligger | FC Bay | SC Gendringen #2 (On loan) | (RSD281 334) |
| january 27 2021 | B. Begeman | FC Bay |  KV Auderghem (On loan) | (RSD471 689) |
| december 31 2020 |  D. Appleyard | FC Bay | Doutrinador | RSD35 000 337 |
| december 10 2020 |  E. Cotton | FC Bay | Timesteam | RSD32 784 410 |
| december 6 2020 | B. Avots | FC Bay | FC Gmunden | RSD30 570 141 |