Arriving in the UAE two weeks ago looking down on Rory McIlroy and all the other giants of DP World Tour golf, Eugenio Chacarra would have been forgiven for feeling a little trepidation. His lead at the top of the Race to Dubai standing was healthy enough. But with McIlroy on the brink of history, “Captain America” Patrick Reed in his slipstream, Jon Rahm resurgent, as well as a variety of other stars circling, it was a lot for a youngster so new to the tour to take.