Frustrated McIlroy could face tour fine

Rory McIlroy and David Drysdale illustrated the fine line between success and failure on the opening day of the BMW PGA Championship at Wentworth.

World number one McIlroy went out of bounds by an inch and threw a club as a two-over-par 74 left him in danger of missing the halfway cut for a second successive tournament – and possibly losing top spot again to Luke Donald.