Who should the USMNT call up for the European friendlies?

The U.S. men's national team's European friendlies are fast approaching and we will soon learn which new faces head coach Bob Bradley will be taking a look at.

Why should we expect to see some new faces? The long term losses of Charlie Davies and Oguchi Onyewu, coupled with the absence of Jay DeMerit, has left serious voids in the squad.