The following is from Fox... Team USA will be defending their Motocross of Nations (MXoN) title this weekend in Donington Park, Great Britain. 35 Nations are entered in this prestigious and unique event with the goal of winning the Chamberlain Trophy. Defending Champion Team USA has won it the last three years in a row. Team USA is made up of: James Stewart (MX1), Ryan Villapoto (MX2) & Tim Ferry (MX3). All three riders are on Kawasakis. Go Team USA!!!