Managers of John O'Brien
| Manager Name |
|---|
| Cap Anson |
| Tom Brown |
| Patsy Donovan |
| John McCloskey |
| John McGraw |
| Bill McGunnigle |
| Gus Schmelz |
| John Ward |
| Bill Watkins |
Barry Codell's Official Blog |
| The Daily Diamond
| Barry Code Birthday Board | ||||||
|---|---|---|---|---|---|---|
| S | M | T | W | T | F | S |
| Performance Enhancing Drugs (PED) Filter |
|---|
| Manager Name |
|---|
| Cap Anson |
| Tom Brown |
| Patsy Donovan |
| John McCloskey |
| John McGraw |
| Bill McGunnigle |
| Gus Schmelz |
| John Ward |
| Bill Watkins |
| The Daily Diamond