Seething Rory McIlroy gives brutally-honest one-word assessment of nightmare first round at the PGA Championship as Masters champion gives himself mountain to climb in Philadelphia

Rory McIlroy endured a difficult opening round at the PGA Championship in Philadelphia, leaving the reigning Masters champion with a significant deficit to overcome. McIlroy, who had been dealing with a blister on his right little toe, described his first-round performance with a single blunt word, reflecting his frustration with the result. The poor start means McIlroy faces a steep climb if he is to contend for the title over the remaining rounds.