| Career events Aatu Hirvonen | ||
|---|---|---|
| Season | Day | Event |
| 81 | 55 | Signed new contract with Karjalan Fishers with salary 923 for 5 years |
| 76 | 45 | Signed new contract with Karjalan Fishers with salary 230 for 5 years |
| 75 | 46 | Signed new contract with Karjalan Fishers with salary 85 for 1 years |
| 75 | 46 | Has signed a contract with Karjalan Fishers |
| 75 | 1 | Has been taken into the main team Karjalan Fishers from youth school |