An American crowd announcer at the Ryder Cup has stood down after leading an expletive-filled chant about European talisman Rory McIlroy.

Heather McMahan urged fans at the first tee to shout "f*** you Rory!" together after players were introduced to the crowd before the start of the afternoon session of the second day at Bethpage Black on Saturday.

It was one of a number of unsavoury incidents on a fractious, fraught day of action overshadowed by crowd problems and set the tone for a lot of the treatment McIlroy subsequently received.

McMahan was not the main announcer at the event, but was supposed to be entertaining the crowd.

A statement from the PGA of America, the event organisers, read: "Heather McMahan has extended an apology to Rory Mcllroy and Ryder Cup Europe and has stepped

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