| Event Details | |
|---|---|
| Organization | Ultimate Fighting Championship |
| Name | UFC Fight Night 15 - Diaz vs. Neer |
| Date | September 17th, 2008 |
| Venue | Omaha Civic Auditorium |
| Location | Omaha, Nebraska, United States |
| Fight #1 | |
|---|---|
| Middleweight Bout | |
  |
 |
| Dan Miller | Rob Kimmons |
| Dan Miller via Submission (Rear-Naked Choke) | |
| Time Round 1 @ 1:27 |
Referee Josh Arney |
| Fight #2 | |
|---|---|
| Middleweight Bout | |
 |
 |
| Mike Massenzio | Drew McFedries |
| Mike Massenzio via Submission (Kimura) | |
| Time Round 1 @ 1:28 |
Referee Jim Axtell |
| Fight #3 | |
|---|---|
| Light Heavyweight Bout | |
 |
  |
| Jason Brilz | Brad Morris |
| Jason Brilz via TKO (Punches) | |
| Time Round 2 @ 2:54 |
Referee Mark Powell |
| Fight #4 | |
|---|---|
| Lightweight Bout | |
 |
|
| Joe Lauzon | Kyle Bradley |
| Joe Lauzon via TKO (Punches) | |
| Time Round 2 @ 1:34 |
Referee Josh Arney |
| Fight #5 | |
|---|---|
| Middleweight Bout | |
 |
 |
| Wilson Gouveia | Ryan Jensen |
| Wilson Gouveia via Submission (Armbar) | |
| Time Round 2 @ 2:04 |
Referee Dan Miragliotta |
| Fight #6 | |
|---|---|
| Middleweight Bout | |
  |
|
| Alessio Sakara | Joe Vedepo |
| Alessio Sakara via KO (Head Kick) | |
| Time Round 1 @ 1:27 |
Referee Yves Lavigne |
| Fight #7 | |
|---|---|
| Light Heavyweight Bout | |
 |
|
| Eric Schafer | Houston Alexander |
| Eric Schafer via Submission (Arm-Triangle Choke) | |
| Time Round 1 @ 4:53 |
Referee Josh Rosenthal |
| Fight #8 | |
|---|---|
| Middleweight Bout | |
 |
 |
| Alan Belcher | Ed Herman |
| Alan Belcher via Decision (Split) | |
| Time Round 3 @ 5:00 |
Referee Dan Miragliotta |
| Fight #9 | |
|---|---|
| Lightweight Bout | |
 |
 |
| Clay Guida | Mac Danzig |
| Clay Guida via Decision (Unanimous) | |
| Time Round 3 @ 5:00 |
Referee Yves Lavigne |
