M. O'Brien
| First name | Mark |
| Last name | O'Brien |
| Date of birth | Nov. 20, 1992 — 34 y/o |
| Nationality | Republic of Ireland |
| Birthplace | Dublin |
| Country of birth | Republic of Ireland |
| Position | Defender |
| Height | 185 cm |
| Weight | 77 kg |
| Foot | Right |
M. O'Brien's career
| Competition |
Season |
Team |
Shirt number |
|
|
|
|
|
|
|
|
|
|
| League Cup |
2019/2020 |
Newport County |
25 |
180 |
2 |
0 |
0 |
0 |
0 |
0 |
0 |
1 |
0 |
| EFL Trophy |
- |
Newport County |
25 |
75 |
1 |
0 |
0 |
0 |
0 |
0 |
0 |
1 |
0 |
| FA Cup |
2019/2020 |
Newport County |
25 |
329 |
4 |
0 |
0 |
0 |
0 |
0 |
0 |
1 |
0 |
| League Two |
- |
Newport County |
25 |
1661 |
20 |
1 |
0 |
3 |
0 |
0 |
0 |
4 |
0 |
| League Two |
- |
Newport County |
25 |
2577 |
37 |
2 |
0 |
7 |
1 |
1 |
8 |
5 |
13 |
| FA Cup |
2018/2019 |
Newport County |
25 |
402 |
6 |
0 |
0 |
1 |
0 |
0 |
2 |
0 |
2 |
| EFL Trophy |
- |
Newport County |
25 |
270 |
3 |
0 |
0 |
1 |
0 |
0 |
0 |
0 |
0 |
| League Cup |
2018/2019 |
Newport County |
25 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
1 |
| League Cup |
2017/2018 |
Newport County |
25 |
90 |
1 |
0 |
0 |
1 |
0 |
0 |
0 |
0 |
1 |
| FA Cup |
2017/2018 |
Newport County |
25 |
172 |
4 |
0 |
0 |
0 |
0 |
0 |
2 |
1 |
3 |
| League Two |
- |
Newport County |
25 |
2125 |
28 |
0 |
0 |
6 |
0 |
1 |
2 |
10 |
5 |
| National League |
- |
Southport |
- |
406 |
5 |
0 |
0 |
0 |
0 |
0 |
0 |
1 |
0 |
| League Two |
- |
Newport County |
25 |
1718 |
20 |
1 |
0 |
6 |
1 |
1 |
0 |
3 |
0 |
| National League |
- |
Southport |
- |
630 |
7 |
1 |
0 |
1 |
0 |
0 |
0 |
0 |
0 |
| League Two |
- |
Luton Town |
25 |
193 |
6 |
0 |
0 |
0 |
0 |
0 |
4 |
1 |
10 |
| League Cup |
- |
Luton Town |
25 |
196 |
2 |
0 |
0 |
1 |
0 |
0 |
0 |
1 |
0 |
| FA Cup |
- |
Luton Town |
25 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
1 |
| EFL Trophy |
- |
Luton Town |
25 |
90 |
1 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
| League Cup |
- |
Motherwell |
- |
102 |
1 |
0 |
0 |
1 |
1 |
1 |
0 |
0 |
0 |
| Play-offs 1/2 |
- |
Motherwell |
15 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
| FA Cup |
- |
Motherwell |
15 |
90 |
1 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
| Premiership |
- |
Motherwell |
15 |
1450 |
19 |
0 |
0 |
8 |
0 |
0 |
2 |
4 |
8 |
| Championship |
- |
Derby County |
15 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
| League Cup |
- |
Derby County |
15 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
| Championship |
- |
Derby County |
15 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
5 |
| FA Cup |
- |
Derby County |
- |
172 |
2 |
0 |
0 |
0 |
0 |
0 |
0 |
1 |
0 |
| Championship |
- |
Derby County |
15 |
558 |
9 |
0 |
0 |
2 |
0 |
0 |
3 |
3 |
14 |
| Championship |
- |
Derby County |
24 |
1359 |
20 |
0 |
0 |
1 |
0 |
0 |
5 |
1 |
7 |
| League Cup |
- |
Derby County |
- |
90 |
1 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
| Championship |
- |
Derby County |
25 |
2 |
2 |
0 |
0 |
0 |
0 |
0 |
2 |
0 |
9 |
| Championship |
- |
Derby County |
- |
26 |
1 |
0 |
0 |
0 |
0 |
0 |
1 |
0 |
0 |