McIlroy's third-round 66 included an electric eagle at 12 that sent the Royal Portrush crowd into a frenzy. But he still trails Scottie Scheffler by six shots.

Here's what to know about McIlroy's roots, from his hometown and upbringing, to his young golf career before he emerged as one of the best players in the world. McIlroy was born in Holywood, County Down, Northern Ireland in 1989. His father was also from Holywood, while his mother was from Lurgan, County Armagh.