All of the contestants slated to compete in tonight's UFC 100 event tipped the scales today inside the Mandalay Bay Event Center in Las Vegas.

Here is how the fighters measured up:

Preliminary Bouts:

Matt Grice (155) vs. Shannon Gugerty (156)
Tom Lawler (184) vs. CB Dollaway (186)
Dong Hyun Kim (171) vs. TJ Grant (170)
Jon Jones (206) vs. Jake O’Brien (206)
Mac Danzig (154) vs. Jim Miller (155)
Mark Coleman (205) vs. Stephan Bonnar (205)

Main Bouts:

Paulo Thiago (170) vs. Jon Fitch (170)
Yoshihiro Akiyama (185) vs. Alan Belcher (186)
Michael Bisping (186) vs. Dan Henderson (185)
Thiago Alves (170) vs. Georges St-Pierre (170) (UFC Welterweight Champion)
Frank Mir (245) (Interim UFC Heavyweight Champion) vs. Brock Lesnar (265) (UFC Heavyweight Champion)

FightLine.com has full LIVE coverage of UFC 100 tonight. They will also be showing the post-fight press conference immediately after the event. For all the latest news for UFC 100, check outcheck out FightLine.com by clicking here.