Mark O'Brien in 2011
| Full name | Mark O'Brien |
|---|---|
| Age | 28 |
| Nationality | Republic of Ireland |
| Club | Derby |
| Position | Defender |
| Height | 185 cm |
| Weight | 77 kg |
| Currently Injured | No |
Mark O'Brien 2011 Appearances
| Appearances | 20 |
|---|---|
| Starts | 15 |
| Substitutions | 5 |
| Substituted | 1 |
| Minutes | 1359 |
| Goals | 0 |
| Appearances | 1 |
|---|---|
| Starts | 1 |
| Substitutions | 0 |
| Substituted | 0 |
| Minutes | 90 |
| Goals | 0 |