Rory McIlroy’s bid for victory at the Abu Dhabi HSBC Championship suffered a significant setback after a costly triple bogey on the 17th hole derailed his otherwise impressive second round. The world number three had been cruising at seven-under through 16 holes before disaster struck at the par-3 17th. Despite the late stumble, McIlroy managed to card a five-under 67, his second consecutive round of that score. The Northern Irishman now sits nine shots behind surprise leader Paul Waring, who shot a stunning course record 61 to reach 19-under par at the halfway stage. McIlroy detailed how the …