Rory McIlroy has taken a fresh dig at his peers who have left the PGA Tour for LIV Golf, suggesting they’ve wrecked their legacy by departing. McIlroy produced a masterful comeback at the Dubai Desert Classic at the weekend to win the event for the fourth time in his career. The Northern Irishman’s round of 63 on Saturday saw him shoot up the leaderboard from being tied for 24th overnight to grabbing the clubhouse lead. A steady final round then saw McIlroy become the first player in the history of the Dubai Desert Classic to win the event four times. His win also came in the same week where L…