You just made me think of something. Coughlin has little legacy to speak of.
Wow, it's worse than I thought:
Dom Capers, Houston Texans (2002–2005)
Kevin Gilbride, San Diego Chargers (1997–1998)
Dick Jauron, Chicago Bears (1999–2003), Buffalo Bills (2006–2009)
Lane Kiffin, Oakland Raiders (2007–2008)
Bobby Petrino, Atlanta Falcons (2007)
Tony Sparano, Miami Dolphins (2008-2011)
Steve Spagnuolo, St. Louis Rams (2009–2011