He took full charge in 2007 when Bradley became the U.S national coach .
Known simply as ' Preki ' , the former Everton and Portsmouth winger joined Chivas in 2006 as Bob Bradley 's assistant .
Preki took full charge in 2007 when Bob Bradley became the U.S national coach .
Known simply as ' Preki ' , the former Everton and Portsmouth winger joined Chivas in 2006 as Bob Bradley 's assistant .