McGrath, Douglas
Current rating: 1445
Record: 1-4-1
| Grand Prix Las Vegas 2013 (MMA limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 1476 | Valdez, Jonathan (1500) | Won 2-1 | +181518 |
| 2sealed | 1746 | Rubarth, Randolph (1515) | Lost 0-2 | -181500 |
| 3sealed | 1611 | Tirado, Juan Alberto (1456) | Draw 1-1 | -11499 |
| 4sealed | 1631 | Black, Alex (1570) | Lost 1-2 | -171482 |
| 5sealed | 1411 | Roach, Paul (1415) | Lost 0-2 | -191463 |
| 6sealed | 1156 | Reager, Sean (1480) | Lost 0-2 | -181445 |
| average opponent: 1489record: 1-4-1 | new rating: 1445 | |||