head to head fighter details
| Jake O'Brien | 1 | - | 0 | Christian Wellisch |
|---|
 | 40 | AGE | 40 | |
| 191cm | HEIGHT | 191cm | ||
| 104kg | WEIGHT | 108kg | ||
| USA | COUNTRY | Ungarn, USA | ||
| 7 | UFC FIGHTS | 5 | ||
| 4 | UFC WINS | 2 | ||
| 3 | UFC LOSSES | 3 |
| date | tournament | Rules | winner | details |
|---|---|---|---|---|
| 01-01-1970 01:00 | UFC 94: St. Pierre vs. Penn 2 | UFC | Jake O'Brien | 3R Decision 2-1 (28–29, 29–28, 29–28) |
