Rory McIlroy’s difficult second round at the Players Championship was ‘one of the worst’ performances from the Northern Irishman, according to Sky Sports analyst Wayne Riley. McIlroy appeared to be locked in at TPC Sawgrass after a mesmerising first round that included 10 birdies. There was a hint that not all was well on Thursday as McIlroy found the water twice, but he would have fancied his chances of staying towards the top of the leaderboard on Friday. But he ended the day eight shots off the lead in an erratic round that included five birdies, four bogeys and a double bogey. McIlroy decl…