Less than a month after being edged by Liverpool in the third qualifying round of the UEFA Champions League, Belgian champion Standard Liege returns to Merseyside to face Everton in the first leg of the first leg of the UEFA Cup, setting up a battle of American stars -- Tim Howard hosting Oguchi Onyewu (TV: Fox Soccer Channel, 5 pm ET).

Their teammate on the U.S. defense, Carlos Bocanegra, is expected to start for French club Rennes against Twente.

Neven Subotic, who has three goals in four Bundesliga games for Borussia Dortmund, is set to make his European debut against Italy's Udinese.

In Tuesday's action, California Ryan Guy started for Irish upstart St. Patrick's in its 2-0 loss to Hertha Berlin.

Nine Americans are on teams in the UEFA Cup.

YANKS IN UEFA CUP:
Borussia Dortmund (Neven Subotic) vs. Udinese
Everton (Tim Howard) vs. Standard Liege (Oguchi Onyewu)
Hertha Berlin (Bryan Arguez) vs. St. Patrick's (Ryan Guy)
Litex vs. Aston Villa (Brad Friedel, Brad Guzan)
Rennes (Carlos Bocanegra) vs. Twente
Young Boys vs. Club Brugge (Jared Jeffrey)