Garrison, Mark
Current rating: 1417
Record: 1-6
| Grand Prix Las Vegas 2013 (MMA limited) | starting rating: 1448 | |||
| round | table | opponent (rating) | result | Δrating |
| 4sealed | 13 | Hanten, Aaron N (1554) | Lost 0-2 | -161432 |
| 5sealed | 240 | Nelson, Joshua (1473) | Won 2-0 | +181450 |
| 6sealed | 222 | Williams, Christopher John (1502) | Lost 0-2 | -171433 |
| 7sealed | 244 | Doo, Kevin (1539) | Lost 0-2 | -161417 |
| average opponent: 1517record: 1-3 | new rating: 1417 | |||
| Grand Prix Salt Lake City 2012 (DKA standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 84 | Brown, Cody (1485) | Lost 0-2 | -181482 |
| 2standard | 413 | Hebert, Ruger (1588) | Lost 1-2 | -161466 |
| 3standard | 437 | Sparks, Matt (1464) | Lost 1-2 | -181448 |
| average opponent: 1512record: 0-3 | new rating: 1448 | |||