To comprehend the inexplicable development that unfolded at Muirfield, one needs to start with this number when he or she talks about Phil Mickelson in the major championships: Four.

EASY as it is to get lost in wonderment as to how this guy from South Africa, Louis Ooosthuizen, snuck up on us, the intrigue with which we depart the Auld Gray Toon is plentiful enough to spread out over a number of topics.