Twenty20 Bowling in Each Season by Steve Croft
| Season | | Balls | Mdns | Runs | Wkts | BB | Ave | 4wI | 5wI | SRate | Econ |
| 2006 | (England) | 86 | 0 | 121 | 4 | 2-10 | 30.25 | 0 | 0 | 21.50 | 8.44 |
| 2007 | (England) | 36 | 0 | 50 | 1 | 1-35 | 50.00 | 0 | 0 | 36.00 | 8.33 |
| 2008 | (England) | 152 | 0 | 209 | 6 | 3-6 | 34.83 | 0 | 0 | 25.33 | 8.25 |
| 2008-09 | (New Zealand) | 36 | 0 | 61 | 2 | 1-15 | 30.50 | 0 | 0 | 18.00 | 10.16 |
| 2009 | (England) | 60 | 0 | 69 | 4 | 2-35 | 17.25 | 0 | 0 | 15.00 | 6.90 |
| 2010 | (England) | 53 | 0 | 70 | 5 | 3-18 | 14.00 | 0 | 0 | 10.60 | 7.92 |
| 2011 | (England) | 48 | 0 | 87 | 1 | 1-23 | 87.00 | 0 | 0 | 48.00 | 10.87 |
| 2012 | (England) | 24 | 0 | 32 | 1 | 1-32 | 32.00 | 0 | 0 | 24.00 | 8.00 |
| 2012-13 | (New Zealand) | 48 | 0 | 72 | 3 | 2-12 | 24.00 | 0 | 0 | 16.00 | 9.00 |
| 2013 | (England) | 132 | 0 | 157 | 2 | 1-15 | 78.50 | 0 | 0 | 66.00 | 7.13 |
| 2014 | (England) | 276 | 0 | 286 | 14 | 3-31 | 20.42 | 0 | 0 | 19.71 | 6.21 |
| 2015 | (England) | 276 | 1 | 335 | 12 | 2-16 | 27.91 | 0 | 0 | 23.00 | 7.28 |
| 2016 | (England) | 156 | 0 | 180 | 6 | 2-24 | 30.00 | 0 | 0 | 26.00 | 6.92 |
| 2017 | (England) | 91 | 0 | 113 | 2 | 1-12 | 56.50 | 0 | 0 | 45.50 | 7.45 |
| 2018 | (England) | 66 | 0 | 77 | 3 | 1-4 | 25.66 | 0 | 0 | 22.00 | 7.00 |
| 2019 | (England) | 48 | 0 | 53 | 3 | 1-8 | 17.66 | 0 | 0 | 16.00 | 6.62 |
| 2020 | (England) | 66 | 0 | 77 | 4 | 2-29 | 19.25 | 0 | 0 | 16.50 | 7.00 |
| 2021 | (England) | 126 | 0 | 149 | 5 | 1-7 | 29.80 | 0 | 0 | 25.20 | 7.09 |
| 2022 | (England) | 6 | 0 | 13 | 0 | | | | | | 13.00 |
| 2023 | (England) | | 0 | 0 | 0 | | | | | | 0.00 |
| 2024 | (England) | 18 | 0 | 30 | 1 | 1-22 | 30.00 | 0 | 0 | 18.00 | 10.00 |