List of Baltimore Orioles pitchers with the most runs allowed
| Rank | Player Name | Rs |
| 1 | Jim Palmer | 1,395 |
| 2 | Mike Flanagan | 1,084 |
| 3 | Scott McGregor | 1,031 |
| 4 | Dave McNally | 1,020 |
| 5 | George Blaeholder | 958 |
| 6 | Elam Vangilder | 919 |
| 7 | Jack Powell | 900 |
| 8 | Dennis Martinez | 899 |
| 9 | Mike Mussina | 836 |
| 10 | Mike Cuellar | 810 |
| 11 | Sidney Ponson | 790 |
| 12 | Sam Gray | 772 |
| 13 | Urban Shocker | 736 |
| 14 | Barney Pelty | 732 |
| 15 | Scott Erickson | 726 |
| 16 | Dixie Davis | 680 |
| 17 | Lefty Stewart | 653 |
| 17 | Milt Pappas | 653 |
| 19 | Jack Kramer | 640 |
| 20 | Dick Coffman | 632 |
| 21 | Earl Hamilton | 619 |
| 22 | Carl Weilman | 600 |
| 23 | Mike Boddicker | 595 |
| 24 | Steve Barber | 573 |
| 25 | Jack Knott | 566 |
