A 3-under par round of 68 saw Scott finish as the leading Australian in a tie for seventh at 6-under for the week but midway through his round he was in position to add to his 2013 Masters triumph.
It’s unclear whether Williams, who also caddied for LPGA Major winner Danielle Kang last year, among others, in one-off arrangements, will caddie for Day beyond this week.
Adam Scott intends to use the disappointment of a runner-up finish at the Memorial Tournament to feed his growing hunger to win a second Major championship at Pebble Beach Golf Links next week.
