List of pitchers with the most earned runs allowed during the 1906 baseball season
| Rank | Player Name | Total ERs |
| 1 | Irv Young | 116 |
| 2 | Gus Dorner | 113 |
| 3 | Gus Dorner | 111 |
| 4 | Jack Chesbro | 107 |
| 5 | Cy Young | 102 |
| 5 | Doc Scanlan | 102 |
| 5 | George Mullin | 102 |
| 8 | Big Jeff Pfeffer | 99 |
| 9 | Cy Falkenberg | 95 |
| 9 | George Winter | 95 |
| 11 | Joe Harris | 92 |
| 12 | Harry McIntire | 91 |
| 13 | Al Orth | 88 |
| 13 | Christy Mathewson | 88 |
| 13 | Elmer Stricklett | 88 |
| 16 | Jim Pastorius | 85 |
| 16 | Joe McGinnity | 85 |
| 18 | Vive Lindaman | 83 |
| 19 | Mal Eason | 82 |
| 19 | Tom Hughes | 82 |
| 21 | Frank Kitson | 80 |
| 22 | Bob Ewing | 76 |
| 22 | Charlie Smith | 76 |
| 22 | Frank Owen | 76 |
| 22 | Tully Sparks | 76 |
