This a complete betting stats analysis for UFC 92. I've included the opening line and current line as well as the last 5 five lines for each fighter. Current lines from this UFC 92 odds page.

Opening Line: Forrest Griffin -160 vs. Rashad Evans -120

Current Line (Dec 25): Forrest Griffin -125 vs Rashad Evans +115

Trend: Neutral

Betting History (Past 5 Fights): Forrest Griffin

Forest Griffin +200 vs. Quinton Jackson -260
Forrest Griffin +250 vs. Mauricio Rua -325

Forrest Griffin -260 vs. Hector Ramirez +200
Forrest Griffin -271 vs. Keith Jardine +270
Forrest Griffin -256  vs. Stephan Bonnar +236

*A $100 bet on Forrest Griffin in each of his last 5 fights would return a $427 profit.

Betting History: Rashad Evans

Rashad Evans +200 vs Chuck Liddell -260
Rashad Evans -275  vs Michael Bisping +235
Rashad Evans +100 vs. Tito Ortiz -130
Rashad Evans -650 vs Sean Salmon +450
Rashad Evans -240 vs Jason Lambert +200

*A $100 bet on Rashad Evans in each of his last 5 fights would return a $297 profit.

Opening Line: Wanderlei Silva -120 vs Rampage Jackson -120

Current Line: Wanderlei Silva -115 vs Rampage Jackson +110

Trend: Silva

Betting History: Wanderlei Silva

Wanderlei Silva -200 vs Keith Jardine +160
Wanderlei Silva -125 vs Chuck Liddell -105
Wanderlei Silva -330 vs Dan Handerson +250
Wanderlei Silva +162 vs Mirko Filipovic -172
Wanderlei Silva -234 vs  Kazuyuki Fujita +212

*A $100 bet on Wanderlei Silva in each of his last 5 fights would return a $-207 loss.

Betting History: Rampage Jackson

Quinton Jackson -260 vs Forest Griffin +200
Quinton Jackson -150 vs Dan Henderson +120
Quinton Jackson +150 vs Chuck Liddell -180
Quinton Jackson -550 vs Marvin Eastman +375
Quinton Jackson -210 vs Matt Lindland +170

*A $100 bet on Rampage Jackson in each of his last 5 fights would return a $188 profit.

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Opening Line: Antonio Rodrigo Nogueira -350 vs Frank Mir +225

Current Line: Antonio Rodrigo Nogueir -325 vs Frank Mir +315

Trend: Neutral

Betting History (Past 5 Fights): Antonio Rodrigo Nogueira

Nogueira -200 vs Tim Sylvia +160
Nogueira -825 vs Herring +525
Nogueira -160 vs Josh Barnett +145
Nogueira -225 vs Josh Barnett +205
Nogueira -393 vs Fabricio Werdum +353

*A $100 bet on Antonio Rodrigo Nogueira in each of his last 5 fights would return a $50 profit.

Betting History: Frank Mir

Frank Mir +135 vs. Brock Lesnar -165
Frank Mir -185 vs. Antoni Hardonk +155
Frank Mir +290 vs.Brandon Vera -350
Frank Mir -285 vs.. Dan Christison +215
Frank Mir -243 vs. Marcio Cruz +223

*A $100 bet on Frank Mir in each of his last 5 fights would return a $24 profit.