Rory McIlroy appointed Diamond as his caddie after splitting from JP Fitzgerald in the summer

Diamond is a long-time friend of the former world number one

Rory McIlroy is to retain Harry Diamond as his caddie in 2018.

Diamond has caddied for McIlroy in seven events since the former world number one’s split from JP Fitzgerald.

A source close to Diamond confirmed to BBC Northern Ireland a report in the Guardian