2002 USA squad consisted of 12 players who played outside of the MLS, the team that faced Germany in their last game in 2002 consisted of 7 players who played outside the MLS.
2002 Squad.
http://www.worldcup-2002.co.uk/teams-usa.htm
2002 v Germany.
http://fifaworldcup.yahoo.com/06/en/w/pwc/mr_26280.html