Candidates considered "retreads" don't often excite the fan base. There are, though, legitimate reasons why an experienced coach might be the right fit.
As the New York Giants continue to search for a head coach to replace Tom Coughlin many fans are turning their noses up at the idea of hiring someone like former Buffalo Bills coach Doug Marrone or ex-Atlanta Falcons coach Mike Smith. Familiarity can breed contempt, and since these guys are known commodities we have not only seen their good qualities as head coaches, but their flaws have been exposed as well.