An open workout is an opportunity for fans and the media alike to examine the what sort of shape fighters are in, as well as their demeanour headed into their fights.

First up is Eddie Alvarez, the UFC lightweight champion, who faces Conor McGregor in the main event Saturday at 155-pounds.

UFC 205 represents the biggest fights of these athletes lives. Debuting in Madison Square Garden, the UFC has put together a card likely to be the biggest in MMA history.

Stay tuned to TheMacLife.com for exclusive UFC 205 coverage.