WEC 20: Cinco de Mayhem
- PromotionWorld Extreme Cagefighting
- VenueTachi Palace Hotel & Casino
- LocationLemoore, California, United States
- Number of bouts12
Main Card
Lodune Sincaid
8-2-0
Heavyweight championship
Co-Main Event | 5 x 5
VS
Submission, Rear Naked Choke | R1 · 3:17Dan Molina
4-2-0

Brian Olsen
5-1-0
Heavyweight championship
5 x 5
VS
Disqualificaton, Illegal Head Kick | R1 · 2:42Mike Kyle
10-4-1

Eddie Wineland
10-4-1
Bantamweight championship
5 x 5
VS
KO/TKO, Head Kick and Punches | R1 · 2:36Antonio Banuelos
11-2-0

"The Menifee Maniac"
Fernando Gonzalez
8-3-0
Middleweight bout
3 x 5
VS
Submission, Rear Naked Choke | R1 · 4:09Jimmy Dexter
0-2-0
