First-Class Bowling in Each Season by Travis Muller
| Season | | Balls | Mdns | Runs | Wkts | BB | Ave | 5wI | 10wM |
| 2011-12 | (South Africa) | 167 | 4 | 150 | 3 | 2-56 | 50.00 | 0 | 0 |
| 2012-13 | (South Africa) | 873 | 27 | 511 | 21 | 6-54 | 24.33 | 2 | 0 |
| 2013-14 | (South Africa) | 2017 | 79 | 1027 | 50 | 5-21 | 20.54 | 2 | 0 |
| 2014-15 | (Namibia) | 174 | 7 | 79 | 1 | 1-48 | 79.00 | 0 | 0 |
| 2014-15 | (South Africa) | 1410 | 58 | 742 | 34 | 5-44 | 21.82 | 1 | 0 |
| 2016-17 | (South Africa) | 495 | 15 | 320 | 10 | 3-38 | 32.00 | 0 | 0 |
| 2017-18 | (New Zealand) | 114 | 3 | 89 | 1 | 1-52 | 89.00 | 0 | 0 |
| 2019-20 | (New Zealand) | 84 | 1 | 75 | 1 | 1-75 | 75.00 | 0 | 0 |
| 2020-21 | (New Zealand) | 897 | 25 | 551 | 14 | 5-131 | 39.35 | 1 | 0 |
| 2021-22 | (New Zealand) | 1172 | 40 | 691 | 18 | 6-52 | 38.38 | 1 | 0 |
| 2022-23 | (New Zealand) | 1164 | 46 | 697 | 21 | 4-41 | 33.19 | 0 | 0 |
| 2023-24 | (New Zealand) | 510 | 16 | 310 | 9 | 3-80 | 34.44 | 0 | 0 |
| 2024-25 | (New Zealand) | 762 | 24 | 492 | 14 | 3-52 | 35.14 | 0 | 0 |