The WGC-Cadillac Championship is a professional golf tournament, one of the four annual World Golf Championships. It is sanctioned and organized by the International Federation of PGA Tours and the prize money is official money on both the PGA Tour and the European Tour.From 1999 through 2006, it was known as the WGC-American Express Championship. In 1999 and 2000 it was held in November, before moving to September/October.