Check out a pair of key fights in the careers of UFC 180 main event fighters Mark Hunt and Fabricio Werdum in the videos below.

The two will meet tonight for the interim UFC heavyweight title from Mexico City on pay-per-view.

First up is Hunt defeating Roy Nelson via knockout from earlier this year. In the second video, we flash back a few years to Werdum stunning Fedor Emelianenko while both men were in Strikeforce.