Main event:

UFC Welterweight Champion Georges St. Pierre 170lbs (16-2) vs. Jon Fitch 170lbs (19-2)

Main card (Televised):

265 lbs.: Brock Lesnar 265lbs (1-1) vs. Heath Herring 250lbs (28-13)
155 lbs.: Kenny Florian 155lbs (9-3) vs. Roger Huerta 155lbs (20-1-1)
155 lbs.: Manny Gamburyan 155lbs (8-2) vs. Rob Emerson 155lbs (7-6)
185 lbs.: Demian Maia 185lbs (7-0) vs. Jason MacDonald 185lbs (20-9)

Under card (May not be broadcast):

170 lbs.: Luke Cummo 167lbs (6-5) vs. Tamdan McCrory 170lbs (8-1)
265 lbs.: Cheick Kongo 235lbs (11-4-1) vs. Dan Evensen 244lbs (10-2)
205 lbs.: Andre Gusmao 205lbs vs. Jon Jones 205lbs (6-0)
170 lbs.: Steve Bruno 170lbs (11-3) vs. Chris Wilson 170lbs(13-4)
170 lbs.: Ben Saunders 170lbs(5-0-2) vs. Ryan Thomas 170lbs(9-1)

Observations:

1. Heath Herring looks as cut and ripped as I’ve ever seen him
2. Brock Lesnar looks like he had to cut DOWN to make the heavyweight 265lbs limit, and he’s shorter than Herring. He is massive.
3. Fitch does not look like has a significant size advantage over Georges St. Pierre

Check out the weigh-ins for yourself here.