In less than one week, the fastest-rising star in mixed martial arts today will attempt to earn a long-awaited UFC featherweight title shot.
But in order to cash in on a golden opportunity, Conor McGregor mustn't overlook divisional mainstay Dennis Siver when the two lock horns this Sunday at UFC Fight Night 59 in Boston.
With powerful kickboxing and formidable grappling skills, Siver is arguably McGregor's toughest task to date.
It will be up to the young Irish sensation to attack with diligence and forbid his German opposition from finding an early groove.
Here is a full head-to-toe breakdown for one of the best free fights of 2015.
