JJK 2017
| P | # | Player | Born | Height | Weight | Contract | |
|---|---|---|---|---|---|---|---|
| GK | 22 | Teppo Marttinen | 1997-05-06 | 187 | 75 | 2017-12-31 | |
| D | 12 | Antto Tapaninen | 1989-06-16 | 183 | 77 | 2017-12-31 | |
| D | 19 | Benno Hanslian | 1993-08-16 | 179 | 64 | 2017-12-31 | |
| D | Felix Gustavsson | 1993-10-11 | 191 | 85 | 2017-12-31 +1 | ||
| D | 18 | Honar Abdi | 1995-06-21 | 179 | 67 | 2017-12-31 | |
| D | 8 | Matti Kohonen | 1993-11-30 | 175 | 77 | 2017-12-31 | |
| D | 20 | Samu Nieminen | 1992-01-14 | 185 | 78 | 2018-12-31 | |
| D | 26 | Severi Vielma | 1995-10-10 | 2017-12-31 | |||
| M | 51 | Tomi Petrescu | 1986-07-24 | 178 | 72 | 2018-12-31 | |
| M | 10 | Tommi Kari | 1986-09-22 | 168 | 63 | 2018-12-31 | |
| F | 6 | Jasin Abahassine | 1990-06-07 | 186 | 80 | 2018-12-31 | |
| F | 24 | Settylas Loutelamio | 1994-04-18 | 2017-12-31 | |||
| F | 15 | Toni Tahvanainen | 1991-11-30 | 178 | 2017-12-31 |
| Date | Player | From | To | Status | Src |
|---|---|---|---|---|---|
| 31.Dec | Arjan Goljahanpoor (M) | FC Vaajakoski | JJK | Confirmed | |
| 16.Dec | Felix Gustavsson (D) | KPV | JJK | Confirmed | |
| 16.Dec | Matti Kohonen (D) | JJK | JJK | Extension | |
| 12.Dec | Settylas Loutelamio (F) | JJK | JJK | Extension | |
| 12.Dec | Jasin Abahassine (F) | JJK | JJK | Extension | |
| 8.Dec | Niko Markkula (D) | JJK | FC Inter Turku | Confirmed | |
| 25.Nov | Samu Nieminen (D) | Ilves | JJK | Confirmed | |
| 25.Nov | Benno Hanslian (D) | JJK | JJK | Extension | |
| 22.Nov | Iiro Järvinen (M) | JJK | Ilves | Confirmed | |
| 20.Nov | Saku Leppänen (M) | JJK | KuPS | Confirmed |