Video: Watch Nick Diaz crash his bike and fly over the handlebars -- face first -- onto a gravel road. Undaunted, the UFC welterweight number one contender, who fights Georges St. Pierre for the division title next month in Montreal, gets up, dusts himself off and continues on with 2009 Xtrerra World Championship. This video may be a few years old, but it illustrates why the durable triathlete has such high-level conditioning. Will it be the deciding factor on fight night?