UFC 138: Leben vs. Muñoz was a mixed martial arts event held by the Ultimate Fighting Championship on November 5, 2011 at LG Arena in Birmingham, England.

Results

• Bantamweight bout: Chris Cariaso vs. Vaughan Lee
Cariaso defeated Lee via split decision (28–29, 29–28, 29–28).

• Welterweight bout: Chris Cope vs. Che Mills
Mills defeated Cope via TKO (knees and punches) at 0:40 of round 1.


Featherweight bout: Michihiro Omigawa vs. Jason Young
Omigawa defeated Young via unanimous decision (29–28, 29–28, 29–28).

• Heavyweight bout: Rob Broughton vs. Philip De Fries
De Fries defeated Broughton via unanimous decision (29–28, 29–28, 29–28).

• Welterweight bout: John Maguire vs. Justin Edwards
Maguire defeated Edwards via unanimous decision (30–27, 30–27, 30–27).

Main card

• Lightweight bout: Terry Etim vs. Eddie Faaloloto
Etim defeated Faaloloto via submission (guillotine choke) at 0:17 of round 1.

• Light Heavyweight bout: Cyrille Diabaté vs. Anthony Perosh
Perosh defeated Diabaté via submission (rear naked choke) at 3:09 of round 2.

• Welterweight bout: Thiago Alves vs. Papy Abedi
Alves defeated Abedi via submission (rear naked choke) at 3:32 of round 1.

• Bantamweight bout: Brad Pickett vs. Renan Barão
Barão defeated Pickett via submission (rear naked choke) at 4:09 of round 1.

• Middleweight bout: Chris Leben vs. Mark Muñoz
Muñoz defeated Leben via TKO (corner stoppage) at 5:00 of round 2.