When Rory McIlroy sprayed his drive far to the right on the final hole of the Masters last month, it opened the door to a tantalizing possibility. A double bogey would have pushed McIlroy into a playoff against none other than world No. 1 Scottie Scheffler.  McIlroy eventually escaped with a bogey, his second consecutive green jacket and an overwhelming sense of relief. After staving off a weekend collapse, McIlroy had dodged Scheffler, himself a two-time champion, and became only the fourth player to win back-to-back Masters titles.  The playoff near-miss did, however, tease the one thing missing from the…