Contract: Under contract through 2014 season. Reportedly signed a 3-year deal, same as GM Gene Smith prior to the 2012 season.

2012 Season: 2-14, worst season in franchise history.

W-L as NFL Head Coach: 16-32

Mike Mularkey dismissed as Jacksonville Jaguars coach | NFL head coach tracker

(Stephen Morton/Associated Press)

Contract: 2013 is the final season of his contract. Financial terms undisclosed.

2012 Season: 10-6 in 2012, Bears have missed the postseason in back-to-back seasons.

W-L with Bears: 81-63 in nine seasons as Bears head coach (3-3 in postseason).

» Smith fired by Bears | NFL head coach tracker

(Paul Connors/Associated Press)

Contract: Two seasons remaining; signed through 2014.

2012 Season: 2-14, the Chiefs are tied for the worst record in the NFL.

W-L with Chiefs: 4-15 as Chiefs head coach, including 2-1 as interim head coach (taking over for Todd Haley) in 2011.

» Crennel out after one season | NFL head coach tracker

(Bill Nichols/Associated Press)

Contract: 2013 is the final season of his contract. Reportedly due $5.5 million in 2013.

2012 Season: 4-12 in 2012 is the worst season of his career (previous worst was 5-11 in 1999, his first season with Eagles)

W-L with Eagles: 130-93-1 in 14 seasons as Eagles head coach.

» Reid era ends after 14 seasons | NFL head coach tracker

(Michael Perez/Associated Press)

Contract: Two seasons remaining; signed through 2014 season.

2012 Season: 5-11. This season will be an improvement over Shurmur's 4-10 finish in 2011. The Browns have had a losing record in nine of the last 10 seasons (including 2012), including each of the last five seasons.

W-L with Browns: 9-23.

» Shurmur, Heckert fired by Browns | NFL head coach tracker

(Marcio Jose Sanchez/Associated Press)

Contract: Reports are Gailey has at least one more season under contract.

2012 Season: 6-10. This is the third straight season Gailey's Bills have won six or fewer games.

W-L with Bills: 16-32.

W-L as NFL head coach: 34-46.

» Bills relieve Gailey | NFL head coach tracker

(Gary Wiepert/Associated Press)

2012 Season: 6-10, Jets' worst record since finishing 4-12 in 2007.

Jets W-L under Tannenbaum: 57-55, tied for 15th in NFL since 2006.

The Jets have made the playoffs in three of seven seasons under GM Mike Tannenbaum.

» Tannenbaum out; Ryan stays for Jets | NFL head coach tracker

(Bill Kostroun/Associated Press)

2012 Season: 2-13, tied for worst record in NFL in 2012 and the worst in team history (previous worst was 4-12 in 1995, the teams' first season).

Jaguars W-L under Smith: 22-41, tied for fourth-worst in NFL since 2009. Jaguars have not finished with a winning record in any of the four seasons under GM Gene Smith (best was 8-8 in 2010).

» Smith fired as Jaguars GM | NFL head coach tracker

(John Raoux/Associated Press)

2012 Season: 5-11.

Browns W-L under Heckert: 14-34, worst in NFL over last three seasons.

» New Browns owner continues to clean house | NFL head coach tracker

(Tony Dejak/Associated Press)

Contract: 2013 is the final season of his contract. Reportedly due $3 million in 2013.

2012 Season: 7-9 in 2012 is the worst of his six seasons with the Chargers (previous worst was 8-8 in 2008 and 2011). 2012 will be the first time Turner has a losing record with the Chargers.

W-L with Chargers: 56-40 in six seasons as Chargers head coach.

Last made playoffs in 2009. Since last playoff appearance, the Chargers have finished second in the AFC West three times, including 2012.

» Turner out after six seasons in San Diego | NFL head coach tracker

(Don Wright/Associated Press)

2012 Season: 7-9

Chargers W-L under Smith: 95-65, sixth best in NFL since 2003

Last made playoffs in 2009. Since last playoff appearance, the Chargers have finished second in the AFC West three times, including 2012.

Five playoff appearances in first seven seasons (2003-2009) as Chargers GM; no playoff appearances in last three seasons (2010-12).

» Smith fired after 10 seasons with Chargers | NFL head coach tracker

(Paul Spinelli/Associated Press)

Contract: Under contract through 2013 season with a team option in 2014. Reportedly due $5.5-6M in final 2 seasons. Extended February 25, 2010 (Cardinals played in Super Bowl XLIII in February 2009).

2012 Season: 5-11 is tied for the worst season (tied with 2010 season) for the Cardinals in 6 seasons under Whisenhunt. Cardinals started 4-0, but are 1-10 since. Not team in NFL history has followed a 4-0 start with such a poor record.

W-L with Cardinals: 45-51.

(Paul Connors/Associated Press)

2012 Season: 5-11.

Cardinals W-L under Graves: 65-96, 6th worst in NFL since 2003.

2012 will be the Cardinals 6th season with 6 or fewer wins in 10 seasons under Graves.

(Kevin Terrell/Associated Press)

2012 Season: 2-14, tied for worst record in NFL in 2012

Chiefs W-L under Pioli: 23-41

» Chiefs, GM Pioli announce they 'mutually agreed to part ways' | NFL head coach tracker

(Orlin Wagner/Assocated Press)