J. Sierra
| Nationality |  Chile |
| Birth date | 05.12.1968 (age 57) |
| Country of birth | Chile |
| City of birth | Santiago |
| Team | First | Last | Matches | W | D | L | %W | Pts |
|---|---|---|---|---|---|---|---|---|
| 15.09.2024 | 03.06.2025 | 19 | 6 | 1 | 12 | 32 | 19 | |
| 18.03.2021 | 25.05.2021 | 8 | 1 | 2 | 5 | 13 | 5 | |
| 01.03.2019 | 19.10.2019 | 21 | 11 | 3 | 7 | 52 | 36 | |
| 31.08.2018 | 14.10.2018 | 8 | 4 | 0 | 4 | 50 | 12 | |
| 11.08.2016 | 04.05.2017 | 26 | 17 | 4 | 5 | 65 | 55 |
