The NFL's "Black Monday" has returned. As has become an annual tradition, struggling teams fired coaches and general managers one day after the conclusion of the regular season in 2014. Here is a look at the team's announcing changes: New York Jets: The Jets announced the firing of head coach Rex Ryan and general manager John Idzik on Monday, one day after the team completed a 4-12 season. The Jets have not appeared in the playoffs since making consecutive runs to the AFC Championship, under Ryan, in 2009 and 2010. This morning Woody Johnson informed John Idzik and Rex Ryan that they will not be returning to the team in 2015.' New York Jets (@nyjets) December 29, 2014Atlanta Falcons: The Falcons announced the firing of head coach Mike Smith, one day after the team completed a 6-10 season. With the NFC South title on the line, the Falcons were routed by the Carolina Panthers, 34-3, in Week 17. The Falcons have missed the playoffs in consecutive seasons after reaching the 2012 NFC Championship Game. Head Coach Mike Smith was released from his contract today.' Atlanta_Falcons (@Atlanta_Falcons) December 29, 2014The San Francisco 49ers: The 49ers got a jump start in their own coaching search, announcing on Sunday that the team had mutually agreed to part ways with head coach Jim Harbaugh after a disappointing 8-8 season. Under Harbaugh, the team reached the NFC Championship Game in three straight seasons (2011, 2012, 2013). Citing an unnamed source, ESPN's Adam Schefter reported on Monday that Harbaugh will be announced as the next head football coach at the University of Michigan.The #49ers and Jim Harbaugh have mutually agreed to part ways.READ: http://t.co/k4pHo2liqQ' San Francisco 49ers (@49ers) December 29, 2014STORY WILL BE UPDATED AS MORE FIRINGS ARE ANNOUNCED Click here to read full news..