Michael John Trgovac (/ˈtɜːrɡəvæk/ TUR-gə-vak; born February 27, 1959) is an American football coach and a former player who is a senior defensive assistant for the Las Vegas Raiders of the National Football League (NFL). He previously served as the defensive line coach for the Green Bay Packers, Carolina Panthers, Washington Redskins, and Philadelphia Eagles. Trgovac was a member of the Packers' coaching staff that led the team to the NFL championship in Super Bowl XLV in 2011. Born in Youngstown, Ohio, Trgovac played college football as a middle guard for the University of Michigan from 1977 to 1980. He received All-Big Ten Conference honors in both 1979 and 1980. After graduating from Michigan, Trgovac held various college coaching positions from 1984 to 1994.