| Event Details | |
|---|---|
| Organization | World Extreme Cagefighting |
| Name | WEC 13 - Heavyweight Explosion |
| Date | January 22nd, 2005 |
| Venue | Tachi Palace Hotel & Casino |
| Location | Lemoore, California, United States |
| Fight #1 | |
|---|---|
| Heavyweight Bout | |
  |
|
| Van Michael Palacio | Fred Diaz |
| Van Michael Palacio via Decision (Split) | |
| Time Round 3 @ 5:00 |
Referee Josh Rosenthal |
| Fight #2 | |
|---|---|
| Heavyweight Bout | |
|
|
| Jody Poff | Houssain Oushani |
| Jody Poff via Submission (Guillotine Choke) | |
| Time Round 1 @ 1:51 |
Referee Josh Rosenthal |
| Fight #3 | |
|---|---|
| Heavyweight Bout | |
 |
 |
| Brandon Vera | Andre Mussi |
| Brandon Vera via KO (Knees and Punches) | |
| Time Round 1 @ 0:51 |
Referee Nathan Gullian |
| Fight #4 | |
|---|---|
| Heavyweight Bout | |
|
|
| Mike Whitehead | Terroll Dees |
| Mike Whitehead via Submission (Neck Crank) | |
| Time Round 1 @ 3:43 |
Referee Nathan Gullian |
| Fight #5 | |
|---|---|
| Heavyweight Bout | |
|
|
| Allan Weickert | Jeremy Freitag |
| Allan Weickert via KO (Punches) | |
| Time Round 1 @ 4:25 |
Referee Josh Rosenthal |
| Fight #6 | |
|---|---|
 WEC Heavyweight Tournament Title Bout |
|
|
|
| Brandon Vera | Mike Whitehead |
| Brandon Vera via TKO (Doctor Stoppage) | |
| Time Round 2 @ 1:12 |
Referee Josh Rosenthal |
| Fight #7 | |
|---|---|
| Lightweight Bout | |
 |
|
| Olaf Alfonso | Chin Seng |
| Olaf Alfonso via KO (Punch) | |
| Time Round 1 @ 1:13 |
Referee Josh Rosenthal |
| Fight #8 | |
|---|---|
| Light Heavyweight Bout | |
|
|
| Jorge Oliveira | Shonie Carter |
| Jorge Oliveira via Decision (Unanimous) | |
| Time Round 3 @ 5:00 |
Referee Josh Rosenthal |
| Fight #9 | |
|---|---|
| Super Heavyweight Bout | |
|
|
| Brad Imes | Lace Pele |
| Brad Imes via TKO (Submission to Punches) | |
| Time Round 1 @ 2:04 |
Referee Jon Schorle |
| Fight #10 | |
|---|---|
| WEC Light Heavyweight Title Bout |
|
|
|
| Jason Lambert | Richard Montoya |
| Jason Lambert via TKO (Submission to Punches) | |
| Time Round 1 @ 2:45 |
Referee Josh Rosenthal |
| Fight #11 | |
|---|---|
| Super Heavyweight Bout | |
|
|
| Dan Christison | Andre Roberts |
| Dan Christison via Submission (Armbar) | |
| Time Round 1 @ 3:26 |
Referee Jon Schorle |