William Richard Mueller [MILL-er] (born March 17, 1971) is a former Major League Baseball third baseman who currently serves as the hitting coach for the Los Angeles Dodgers. Mueller's playing career was spent with the San Francisco Giants (1996-2000, 2002), Chicago Cubs (2001-02), Boston Red Sox (2003-2005), and Los Angeles Dodgers (2006). He won the American League batting title in 2003, and helped the Red Sox win the 2004 World Series. Wikipedia
The definitive Wikipedia entry for Bill Mueller. Wikipedia is the biggest multilingual free-content encyclopedia on the Internet. en.wikipedia.org/wiki/Bill_Mueller