Twenty20 Bowling in Each Season by Craig Williams
| Season | | Balls | Mdns | Runs | Wkts | BB | Ave | 4wI | 5wI | SRate | Econ |
| 2009-10 | (Zimbabwe) | 93 | 0 | 96 | 6 | 3-28 | 16.00 | 0 | 0 | 15.50 | 6.19 |
| 2010-11 | (Namibia) | 18 | 0 | 17 | 0 | | | | | | 5.66 |
| 2011-12 | (South Africa) | 24 | 0 | 18 | 1 | 1-18 | 18.00 | 0 | 0 | 24.00 | 4.50 |
| 2011-12 | (United Arab Emirates) | | 0 | 0 | 0 | | | | | | 0.00 |
| 2011-12 | (Namibia) | 131 | 0 | 194 | 4 | 1-9 | 48.50 | 0 | 0 | 32.75 | 8.88 |
| 2012-13 | (Namibia) | 6 | 0 | 4 | 1 | 1-4 | 4.00 | 0 | 0 | 6.00 | 4.00 |
| 2013 | (Namibia) | 60 | 0 | 85 | 5 | 2-11 | 17.00 | 0 | 0 | 12.00 | 8.50 |
| 2013-14 | (United Arab Emirates) | | 0 | 0 | 0 | | | | | | 0.00 |
| 2015 | (Ireland) | 60 | 0 | 67 | 0 | | | | | | 6.70 |
| 2015 | (Namibia) | 24 | 0 | 32 | 3 | 3-32 | 10.66 | 0 | 0 | 8.00 | 8.00 |
| 2015-16 | (Namibia) | 18 | 0 | 10 | 1 | 1-10 | 10.00 | 0 | 0 | 18.00 | 3.33 |
| 2015-16 | (South Africa) | 48 | 0 | 84 | 0 | | | | | | 10.50 |
| 2016-17 | (South Africa) | 54 | 0 | 76 | 5 | 3-37 | 15.20 | 0 | 0 | 10.80 | 8.44 |
| 2016-17 | (United Arab Emirates) | | 0 | 0 | 0 | | | | | | 0.00 |
| 2017-18 | (South Africa) | 12 | 0 | 17 | 0 | | | | | | 8.50 |
| 2019 | (Namibia) | 42 | 1 | 38 | 3 | 3-9 | 12.66 | 0 | 0 | 14.00 | 5.42 |
| 2019-20 | (United Arab Emirates) | 96 | 0 | 104 | 6 | 3-34 | 17.33 | 0 | 0 | 16.00 | 6.50 |
| 2019-20 | (South Africa) | 90 | 0 | 137 | 7 | 3-29 | 19.57 | 0 | 0 | 12.85 | 9.13 |
| 2020-21 | (Namibia) | 36 | 0 | 39 | 0 | | | | | | 6.50 |
| 2021-22 | (Namibia) | | 0 | 0 | 0 | | | | | | 0.00 |
| 2021-22 | (United Arab Emirates) | | 0 | 0 | 0 | | | | | | 0.00 |
| 2022 | (Zimbabwe) | | 0 | 0 | 0 | | | | | | 0.00 |