2009 was a monumental year for the UFC that saw the organization put on its historic 100th event, as well as welcoming many popular mixed martial arts veterans back into the UFC fold. This retrospective of the year includes incredible fights from the Octagon including the heavyweight unification title bout between Brock Lesnar and Frank Mir, BJ Penn vs.. Kenny Florian, Rashad Evans vs.. Lyoto Machida, and many others, plus a salute to Chuck Liddell.

George St-Pierre

Welterweight Contenders

Hughs vs.. Serra

Condit vs. Ellenberger

Marquardt vs. Maia

Franklin vs. Belfort

Quarry vs. Credeur

Silva vs. Griffin

Evans vs. Machida

Liddell vs. Rua

Chuck Liddell

Jardine vs. Silva

Bonus Fights In Full

St- Pierre vs. Penn - UFC 104

Swick vs. Hardy - UFC 105

Bonnar vs. Jones - UFC 94

The Ultimate Fighter: United States vs. United Kingdom

Lightweight Contenders

Sanchez vs. Guida

The Ultimate Fighter heavyweights

Heavyweight Contenders

Couture vs. Nogueira

Lesnar vs. Mir

Behind the Scenes

Bonus Fights In Full

Griffin vs. Franca - UFC103

Diaz vs. Guillard - Ultimate Fight Night

Sherk vs. Edgar - UFC98

Stevenson vs. Diaz - The Ultimate Fighter 9 Finale

Penn vs. Florian - UFC101