First-Class Bowling in Each Season by Michael Mason
| Season | | Balls | Mdns | Runs | Wkts | BB | Ave | 5wI | 10wM |
| 1997-98 | (New Zealand) | 783 | 34 | 344 | 16 | 4-22 | 21.50 | 0 | 0 |
| 1998-99 | (New Zealand) | 689 | 40 | 258 | 10 | 2-21 | 25.80 | 0 | 0 |
| 1999-00 | (New Zealand) | 511 | 16 | 278 | 14 | 3-49 | 19.85 | 0 | 0 |
| 2000-01 | (New Zealand) | 1285 | 59 | 568 | 16 | 5-44 | 35.50 | 2 | 0 |
| 2001-02 | (New Zealand) | 1969 | 90 | 806 | 32 | 5-22 | 25.18 | 1 | 0 |
| 2002-03 | (New Zealand) | 2120 | 120 | 787 | 40 | 6-56 | 19.67 | 2 | 1 |
| 2003-04 | (New Zealand) | 1405 | 69 | 634 | 20 | 5-21 | 31.70 | 2 | 0 |
| 2003-04 | (India) | 72 | 4 | 24 | 0 | | | | |
| 2004-05 | (South Africa) | 348 | 21 | 134 | 1 | 1-85 | 134.00 | 0 | 0 |
| 2004-05 | (New Zealand) | 458 | 20 | 183 | 9 | 3-45 | 20.33 | 0 | 0 |
| 2005-06 | (New Zealand) | 1481 | 86 | 577 | 29 | 5-26 | 19.89 | 1 | 0 |
| 2006-07 | (New Zealand) | 784 | 43 | 318 | 15 | 4-44 | 21.20 | 0 | 0 |
| 2007-08 | (New Zealand) | 570 | 21 | 259 | 9 | 3-78 | 28.77 | 0 | 0 |
| 2007-08 | (South Africa) | 90 | 5 | 35 | 1 | 1-4 | 35.00 | 0 | 0 |
| 2008 | (England) | 318 | 17 | 176 | 8 | 4-65 | 22.00 | 0 | 0 |
| 2008-09 | (New Zealand) | 568 | 26 | 287 | 9 | 5-83 | 31.88 | 1 | 0 |
| 2008-09 | (India) | 150 | 7 | 48 | 1 | 1-23 | 48.00 | 0 | 0 |
| 2009-10 | (New Zealand) | 1585 | 67 | 758 | 30 | 5-42 | 25.26 | 2 | 0 |
| 2010-11 | (New Zealand) | 1675 | 78 | 703 | 22 | 5-49 | 31.95 | 1 | 0 |
| 2011-12 | (New Zealand) | 207 | 12 | 63 | 6 | 6-20 | 10.50 | 1 | 0 |