Chicago Fire 2021
| P | # | Player | Born | Height | Weight | Contract | |
|---|---|---|---|---|---|---|---|
| GK | Matt Lampson | 1989-09-06 | 191 | 86 | |||
| GK | Patrick McLain | 1988-08-22 | 192 | 93 | |||
| GK | Sean Johnson | 1989-05-31 | 190 | 99 | |||
| D | Eric Gehrig | 1987-12-25 | 185 | 73 | |||
| D | João Meira | 1987-04-30 | 185 | ||||
| D | Johan Kappelhof | 1990-08-05 | 180 | 73 | 2018-12-31 | ||
| D | Matt Polster | 1993-06-08 | 183 | 77 | |||
| D | Michael Harrington | 1986-01-24 | 183 | 77 | |||
| D | Patrick Doody | 1992-04-22 | 183 | 81 | |||
| M | Andrew Conner | 1994-02-18 | 182 | 75 | |||
| M | Collin Fernandez | 1997-02-13 | 172 | 63 | |||
| M | Michael Stephens | 1989-04-03 | 175 | 70 | |||
| M | Nick LaBrocca | 1984-12-04 | 178 | 75 | |||
| M | Razvan Cocis | 1983-02-19 | 181 | 74 | |||
| F | Gilberto | 1989-06-05 | 178 | 69 | |||
| F | John Goossens | 1988-07-25 | 174 | 68 | |||
| F | Luis Emilio Solignac | 1991-02-16 | 184 | 80 | |||
| F | Michael De Leeuw | 1986-10-07 | 178 | 67 | 2016-06-30 |
| Date | Player | From | To | Status | Src |
|---|---|---|---|---|---|
| 20.Feb | David Ousted (GK) | Chicago Fire | Hammarby IF | Confirmed | |
| 11.Jan | Andrew Dykstra (GK) | Chicago Fire | Sporting Kansas City | Confirmed | |
| 4.Aug | Luis Emilio Solignac (F) | Colorado Rapids | Chicago Fire | Confirmed | |
| 30.Jul | Kennedy Igboananike (F) | Chicago Fire | D.C. United | Confirmed | |
| 18.May | Michael De Leeuw (F) | FC Groningen | Chicago Fire | Confirmed | |
| 28.Jan | Greg Cochrane (D) | Chicago Fire | Falkenbergs FF | Rumour | |
| 26.Jan | Shaun Maloney (M) | Wigan Athletic | Chicago Fire | Confirmed | |
| 20.Dec | David Accam (F) | Helsingborgs IF | Chicago Fire | Confirmed | |
| 2.Dec | Kennedy Igboananike (F) | AIK | Chicago Fire | Confirmed | |
| 2.Dec | Kennedy Igboananike (F) | AIK | Chicago Fire | Rumour |