New Detroit Lions head coach Jim Caldwell stands on Ford Field in Detroit, Wednesday, Jan. 15, 2014. Caldwell previously was the Baltimore Ravens quarterbacks coach and offensive coordinator. (AP Photo/Carlos Osorio)

New Detroit Lions head coach Jim Caldwell stands on Ford Field in Detroit, Wednesday, Jan. 15, 2014. Caldwell previously was the Baltimore Ravens quarterbacks coach and offensive coordinator. (AP Photo/Carlos Osorio)