Watch UFC 100 online for free

UFC 100 will be shown live on the web on Saturday night for free for UK fans.

The UFC.com website will stream coverage of the event which will last for nine hours and begins at 2100BST.

In the UK, you can watch the event free, either online or on Sky TV channel 433. To watch online you will need to install Microsoft Silverlight.

There will be a programme of the 100 greatest fights in UFC history as well as the live event.

Brock Lesnar will take on Frank Mir in the heavyweight division at the event which is being held at the Mandalay Bay Resort in Las Vegas.

Georges St-Pierre faces Thiago Alves in a welterweight bout and Dan Henderson will fight Brit Michael Bisping in the middleweight division.

You can find details of how to watch UFC 100 online outside of the UK at the official UFC 100 website.