Yeah, he should go down with the bust of a ship somebody else drafted. Manuel is terrible and was a terrible draft pick.
Furthermore, Norv Turner had a great deal of success under Jimmy Johnson, when the Cowboys had Aikman, Irvin and Emmitt. He was very good in San Diego with Rivers, Tomlinson and Jackson. Other than that, he's been mediocre to terrible and just gotten by on reputation built on those two teams