2013 NFL Coaching ChangesHead Coaches, Offensive Coordinators and Defensive Coordinators(From Start of 2012 Season)Head CoachesTeam      2012                         2013                                                                       Cardinals   Ken Whisenhunt             Bruce AriansBills            Chan Gailey                      Doug MarroneBears         Lovie Smith                       Marc TrestmanBrowns      Pat Shurmur                    Rob ChudzinskiJaguars      Mike Mularkey                Gus BradleyChiefs         Romeo Crennel               Andy ReidEagkes        Andy Reid                        Chip KellyChargers    Norv Turner                     Mike McCoy<!--more-->Offensive CoordinatorsTeam      2012                         2013                                                                                 Cardinals          Mike Miller                     Harold GoodwinRavens              Cam Cameron                 Jim Caldwell (a)Bills                    Curtis Modkins              Nathaniel HackettPanthers            Rob Chudzinski             Mike ShulaBears                  Mike Tice                        Aaron KromerBrowns              Brad Childress               Norv TurnerBroncos             Mike McCoy                   Adam GaseColts                   Bruce Arians                  Pep HamiltonJaguars              Bob Bratkowski             Jedd FischChiefs                 Brian Daboll                   Doug PedersonJets                      Tony Sparano                Marty MornhinwegRaiders               Greg Knapp                    Greg OlsonEagles                 Marty Mornhinweg       Pat ShurmurChargers             Hal Hunter                     Ken WhisenhuntTitans                  Chris Palmer                  Dowell Loggains (b)(a) Caldwell replaced Cam Cameron on December 10, 2012(b) Loggains replaced Chris Palmer on November 26, 2012Defensive CoordinatorsTeam      2012                         2013                                                                       Cardinals           Ray Horton                     Todd BowlesBills                    Dave Wannstedt             Mike PettineBears                  Rod Marinelli                  Mel TuckerBrowns              Dick Jauron                     Ray HortonCowboys            Rob Ryan                         Monte KiffinJaguars              Mel Tucker                      Bob BabichChiefs                 Gary Gibbs (a)                Bob SuttonSaints                 Steve Spagnuolo             Rob RyanJets                     Mike Pettine                    Dennis ThurmanEagles                 Todd Bowles (b)             Billy DavisRams                  Gregg Williams (c)          Tim WaltonSeahawks           Gus Bradley                      Dan Quinn(a) Gibbs replaced Romeo Crennel (head coach on November 5, 2012(b) Bowles replaced Juan Castillo on October 16, 2012(c) Williams was suspended indefinitely by the NFL in 2012 (since reinstated)