 On December 14, 2007, Herrmann, along with center Primož Brezec, was traded to the Detroit Pistons in exchange for center Nazr Mohammed.On August 2, 2008, it was announced that Herrmann had signed a one-year deal to keep him in Detroit for another season.Herrmann spent the 2014–15 season, playing in the top-tier level Brazilian League, with Flamengo.