The Northern Ireland ace has endured a tough season and his missed cut at the Open Championship does not bode well for the 24-year-old's chances in the final Major of the year.WATCH US PGA LIVE ONLINE
However, Shaun Micheel provided one of the biggest surprises in the history of golf when he won the USPGA the last time it was Oak Hill Country Club in 2003, and McIlroy will no doubt believe if a world number 169 can succeed on that course then so can he.
US PGA Championship
Match scheduled: Thursday, August 8
from 12:00 (in 4 days) to 18:00 (in 3 days)
Day 1 :: PGA Tour 2013 - US PGA Championship 2013 - Oak Hill Country Club :: Rochester, NY, USA
Phil Mickelson, though, will be among a number of big names eager to take McIlroy's title and the American is flying at the moment following his Open Championship win. He won this event in 2005 and will be hoping to go back-to-back in the Majors.
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Meanwhile, Masters champion Adam Scott showed his form with a tied third finish at Muirfield, while Lee Westwood will be desperate to land his maiden Major after going into the final day at the Scottish course in the lead.
His countryman Justin Rose won his first big one at the US Open earlier this year but with his form on the drift - he missed the Open cut - perhaps Ian Poulter (tied third at Muirfield) can land another blow for the Brits?
Of course, the legendary Tiger Woods will have something to say about that but however the drama unfolds, you can catch it all live on Sky Sports HD