The official weigh in event for UFC 138: "Leben vs. Munoz" is set to take place at the Community Hall in the National Indoor Arena in Birmingham, England, on Fri., Nov. 4, 2011.

The first fighter is expected to tip the scale at 9 a.m. ET.

As usual, MMAmania.com will provide up-to-the-second coverage of the UFC 138 weigh-ins, as well as provide a detailed recap of the festivities as soon as they conclude.

UFC 138 will feature a middleweight mash-up between surging division contenders Chris Leben and Mark Munoz, who will throw hands in the first-ever five round non-title fight that airs stateside via same-day tape delay at 8 p.m. ET on Spike TV.

In addition, former UFC welterweight number one contender Thiago Alves will make his return to the cage against Swedish newcomer Papy Abedi.

Here is the current UFC 138 fight card and line-up:

Main event:

185 lbs.: Chris Leben vs. Mark Munoz

Main card (Spike TV):

170 lbs.: Papy Abedi vs. Thiago Alves
205 lbs.: Cyrille Diabate vs. Anthony Perosh
135 lbs.: Renan Barao vs. Brad Pickett
155 lbs.: Terry Etim vs. Edward Faaloloto

Preliminary card (May not be broadcast):

145 lbs.: Michihiro Omigawa vs. Jason Young
135 lbs.: Chris Cariaso vs. Vaughan Lee
265 lbs.: Rob Broughton vs. Philip De Fries
170 lbs.: Chris Cope vs. Che Mills
170 lbs.: Justin Edwards vs. John Maguire

For those fortunate enough to be across the pond that weekend, remember the weigh-in is FREE to attend and open to the public. Doors to the weigh-in will open at 1 p.m. GMT local time.

Remember that MMAmania.com will provide LIVE round-by-round, blow-by-blow coverage of the main card action on fight night (Sat., Nov. 5), which is slated to air at 8 p.m. ET on Spike TV.

It's going to be a fun night of fights so don't miss it. And remember to check us out for all the pre, during and post-fight UFC 138 coverage you can handle.