| Event Details | |
|---|---|
| Organization | Ultimate Fighting Championship |
| Name | UFC 43 - Meltdown |
| Date | June 6th, 2003 |
| Venue | Thomas and Mack Center |
| Location | Las Vegas, Nevada, United States |
| Fight #1 | |
|---|---|
| Heavyweight Bout | |
  |
 |
| Pedro Rizzo | Tra Telligman |
| Pedro Rizzo via TKO (Doctor Stoppage) | |
| Time Round 2 @ 4:24 |
Referee Larry Landless |
| Fight #2 | |
|---|---|
| Middleweight Bout | |
|
|
| Falaniko Vitale | Matt Lindland |
| Falaniko Vitale via TKO (Slam) | |
| Time Round 1 @ 1:56 |
Referee John McCarthy |
| Fight #3 | |
|---|---|
| Heavyweight Bout | |
 |
|
| Frank Mir | Wes Sims |
| Frank Mir via Disqualification (Kicking a Downed Opponent) | |
| Time Round 1 @ 2:55 |
Referee Nelson Hamilton |
| Fight #4 | |
|---|---|
| Heavyweight Bout | |
|
 |
| Vernon White | Ian Freeman |
| Draw (Split) | |
| Time Round 3 @ 5:00 |
Referee Larry Landless |
| Fight #5 | |
|---|---|
| Light Heavyweight Bout | |
 |
|
| Vitor Belfort | Marvin Eastman |
| Vitor Belfort via TKO (Knees and Punches) | |
| Time Round 1 @ 1:07 |
Referee John McCarthy |
| Fight #6 | |
|---|---|
| Lightweight Bout | |
 |
|
| Yves Edwards | Eddie Ruiz |
| Yves Edwards via Decision (Unanimous) | |
| Time Round 3 @ 5:00 |
Referee Nelson Hamilton |
| Fight #7 | |
|---|---|
| Heavyweight Bout | |
|
|
| Kimo Leopoldo | David Abbott |
| Kimo Leopoldo via Submission (Arm-Triangle Choke) | |
| Time Round 1 @ 1:59 |
Referee Larry Landless |
| Fight #8 | |
|---|---|
 UFC Interim Light Heavyweight Title Bout |
|
 |
 |
| Randy Couture | Chuck Liddell |
| Randy Couture via TKO (Punches) | |
| Time Round 3 @ 2:39 |
Referee John McCarthy |