 Complete the following phrase:  In March 2006, Donald won his second U.S. PGA Tour event at the Honda Classic in Florida, a victory which moved him into the top ten of the World Rankings for the first time. Donald finished tied for 3rd at the 2006 PGA Championship. To date, his third-place finishes at the 2006 PGA Championship and at the 2005 Masters are his best performances in major championships. In September 2006, Donald won his singles match 21 against Chad Campbell in the 36th 