• Italian takes three-shot lead with three birdies to finish
• McIlroy, in second, lauds leader’s ‘amazing’ return to top

Were he not trying to scratch an itch of his own, Rory McIlroy would be rooting for Matteo Manassero on the final day here.

In the 11 years since Manassero prevailed at the PGA Championship, he has endured a slump that took him to 1,805th in the world and mini tours.