First-Class Bowling in Each Season by Albert Relf
| Season | | Balls | Mdns | Runs | Wkts | BB | Ave | 5wI | 10wM |
| 1900 | (England) | 1516 | 83 | 651 | 26 | 3-21 | 25.03 | 0 | 0 |
| 1901 | (England) | 4082 | 209 | 1827 | 66 | 6-54 | 27.68 | 2 | 0 |
| 1902 | (England) | 4793 | 274 | 1945 | 70 | 5-71 | 27.78 | 3 | 0 |
| 1903 | (England) | 6304 | 365 | 2335 | 124 | 7-62 | 18.83 | 11 | 2 |
| 1903-04 | (Australia) | 772 | 44 | 304 | 10 | 3-48 | 30.40 | 0 | 0 |
| 1904 | (England) | 6745 | 339 | 2657 | 102 | 5-58 | 26.04 | 2 | 0 |
| 1905 | (England) | 7058 | 390 | 2604 | 111 | 7-30 | 23.45 | 4 | 0 |
| 1905-06 | (South Africa) | 799 | 32 | 342 | 12 | 3-40 | 28.50 | 0 | 0 |
| 1906 | (England) | 6604 | 338 | 2464 | 106 | 7-44 | 23.24 | 5 | 1 |
| 1907 | (England) | 6103 | 336 | 2340 | 112 | 6-60 | 20.89 | 7 | 1 |
| 1907-08 | (New Zealand) | 588 | 40 | 159 | 20 | 6-22 | 7.95 | 3 | 1 |
| 1908 | (England) | 7797 | 431 | 2648 | 151 | 8-66 | 17.53 | 11 | 5 |
| 1908-09 | (New Zealand) | 900 | 68 | 205 | 17 | 7-42 | 12.05 | 2 | 1 |
| 1909 | (England) | 7183 | 425 | 2474 | 135 | 8-22 | 18.32 | 11 | 3 |
| 1909-10 | (New Zealand) | 1082 | 74 | 261 | 16 | 5-41 | 16.31 | 1 | 0 |
| 1910 | (England) | 8115 | 448 | 3108 | 158 | 9-95 | 19.67 | 11 | 2 |
| 1911 | (England) | 7831 | 444 | 3045 | 142 | 7-56 | 21.44 | 9 | 2 |
| 1912 | (England) | 7432 | 456 | 2485 | 128 | 8-41 | 19.41 | 12 | 2 |
| 1912 | (Ireland) | 210 | 9 | 101 | 5 | 4-14 | 20.20 | 0 | 0 |
| 1912-13 | (West Indies) | 1229 | 55 | 506 | 22 | 5-32 | 23.00 | 1 | 0 |
| 1913 | (England) | 7321 | 408 | 2552 | 141 | 6-30 | 18.09 | 8 | 2 |
| 1913-14 | (South Africa) | 2282 | 113 | 856 | 40 | 5-24 | 21.40 | 2 | 0 |
| 1914 | (England) | 4523 | 271 | 1463 | 67 | 6-27 | 21.83 | 3 | 0 |
| 1919 | (England) | 2692 | 147 | 1064 | 46 | 6-65 | 23.13 | 3 | 0 |
| 1920 | (England) | 2293 | 174 | 580 | 32 | 5-51 | 18.12 | 1 | 0 |
| 1921 | (England) | 1930 | 97 | 750 | 38 | 8-21 | 19.73 | 2 | 1 |