First-Class Bowling in Each Season by John Cotton
| Season | | Balls | Mdns | Runs | Wkts | BB | Ave | 5wI | 10wM |
| 1958 | (England) | 2159 | 97 | 1122 | 44 | 6-65 | 25.50 | 2 | 0 |
| 1959 | (England) | 4424 | 160 | 2130 | 73 | 7-73 | 29.17 | 3 | 0 |
| 1960 | (England) | 4535 | 197 | 2010 | 82 | 6-114 | 24.51 | 5 | 0 |
| 1961 | (England) | 2467 | 109 | 1130 | 40 | 6-58 | 28.25 | 1 | 0 |
| 1962 | (England) | 3701 | 149 | 1750 | 62 | 6-26 | 28.22 | 1 | 0 |
| 1963 | (England) | 3393 | 128 | 1506 | 70 | 5-56 | 21.51 | 1 | 0 |
| 1964 | (England) | 2236 | 86 | 997 | 39 | 6-54 | 25.56 | 2 | 0 |
| 1965 | (England) | 3712 | 113 | 1628 | 76 | 6-57 | 21.42 | 3 | 0 |
| 1966 | (England) | 2744 | 100 | 1188 | 49 | 4-34 | 24.24 | 0 | 0 |
| 1967 | (England) | 3366 | 112 | 1456 | 71 | 9-29 | 20.50 | 3 | 1 |
| 1968 | (England) | 2531 | 72 | 1264 | 32 | 3-37 | 39.50 | 0 | 0 |
| 1969 | (England) | 941 | 30 | 493 | 14 | 4-30 | 35.21 | 0 | 0 |