Complex sentence: In February 2006 he achieved his first PGA Tour win at the AT&T Pebble Beach National Pro-Am and by September 2007 he was in the top 25 of the Official World Golf Rankings.
Split into simpler sentences: In February 2006 he won first PGA Tour event, the AT&T Pebble Beach National Pro-Am. By September 2007 he was in the top 25 of the Official World Golf Rankings.