Padraig Harrington has picked up two places in golf's world rankings, which are still being led by Vijay Singh. Sixth place marks a career-high for the Irish Ryder Cup hero.

Notah Begay III, trying to revive a once-promising career, carded a five-under-par 67 to gain a share of the lead with David Peoples after the second round of the Honda Classic at Mirasol.