The 2006 Jacksonville Jaguars season was the franchise's 12th season in the National Football League (NFL) and the 4th under head coach Jack Del Rio. The Jaguars failed to improve on their 12–4 record from 2005. The Jaguars finished in third place in the AFC South and finished the season at 8–8. Although the Jaguars were 8–5 after thirteen games, they lost their next three games in a row and missed the postseason for the second time in three seasons.
The 2004 season was the Kansas City Chiefs' 35th in the National Football League (NFL), their 45th overall and their 42nd in Kansas City.
The 2000 season was the Kansas City Chiefs' 31st in the National Football League (NFL), their 41st overall and their second and final season under head coach Gunther Cunningham. They failed to improve on their 9–7 record from 1999 and finished the season 7–9, marked by a series of on and off-field struggles and incidents.
The 2010 Tennessee Titans season was the team's 41st season in the National Football League (NFL), their 51st overall and their 14th season in Tennessee. The Titans hoped to improve on their 8–8 record from the 2009 season, but they failed to do so and ended up finishing 6-10. They started the season 5-2, but lost the next 8 of 9. This was the Titans’ final season under head coach Jeff Fisher, who resigned on January 27, 2011 after 17 seasons with the team.
The 2011 Tennessee Titans season was the franchise's 42nd season in the National Football League (NFL), the 52nd overall and the 15th in the state of Tennessee. It also marked the first season under head coach Mike Munchak, replacing longtime head coach Jeff Fisher, who resigned on January 27 after 17 seasons. The team improved on their 6–10 record from 2010 and finished tied with the Cincinnati Bengals for the last playoff spot, but lost the tiebreaker due to their 24–17 loss to the Bengals in Week 9, missing the playoffs for a third consecutive season.
The 2011 season was the Minnesota Vikings' 51st in the National Football League (NFL), and the first full season under head coach Leslie Frazier, who served as the team's interim head coach for the final six games of the 2010 season. The team failed to improve on their 6–10 record from 2010, going 2–6 before their bye week, before being eliminated from playoff contention in week 12 with a 2–9 record. The team also suffered its first six-game losing streak since the 1984 season.
The 2011 Jacksonville Jaguars season was the 17th season in the National Football League (NFL) for the Jacksonville Jaguars. It began as the 9th under head coach Jack Del Rio, until he was fired on November 29 and replaced on an interim basis by defensive coordinator Mel Tucker. Del Rio finished his tenure in Jacksonville with a 69-73 record in the regular season and 1-2 in the playoffs. He was also just 4 wins shy of surpassing his predecessor, Tom Coughlin as the winningest head coach in Jaguars history. The Jaguars had hoped to improve on their 8–8 record from 2010, but exceeded their loss total in Week 13, and were officially eliminated from postseason contention. With the 10th pick in the 2011 NFL draft, they selected quarterback Blaine Gabbert from the University of Missouri, and Gabbert would replace Luke McCown as the starting quarterback in Week 3.
The 2012 Tennessee Titans season was the franchise's 43rd season in the National Football League (NFL), the 53rd overall, the 16th in the state of Tennessee and the second under head coach Mike Munchak. It was also the last full season under the ownership of Bud Adams, who died on October 21, 2013. The Titans failed to improve on their 9–7 record in 2011 and were eliminated from postseason contention in Week 14.
The 2013 Houston Texans season was the franchise's 12th season in the National Football League (NFL). The Texans failed to improve upon their 12–4 record from 2012, suffering through a season-ending 14-game losing streak following a 2–0 start and missing the playoffs for the first time since 2010. Head coach Gary Kubiak was fired after eight seasons following their eleventh loss. Defensive coordinator Wade Phillips was named the interim head coach for the final three games of the season. Out of the 14 games lost by the Texans this year, 9 of them were by one score, marking a record amount of one score losses for the franchise. Their 14-game losing streak is the worst in team history. Coming off a franchise-best 12–4 record just the year before, the Texans tie a league record with the Houston Oilers for the biggest season-to-season decline in win total. On January 3, 2014, claiming that "I'm ready to kick 2013 the hell out the door", Texans owner Robert McNair announced that former Penn State head coach Bill O'Brien would be the Texans' third head coach.
The 2014 Tennessee Titans season was the franchise's 45th season in the National Football League (NFL), the 55th overall and the 18th in the state of Tennessee. It marked the first under head coach Ken Whisenhunt, as well as the first full season following the death of longtime owner Bud Adams, who died during the 2013 season. The Titans finished the season with 10 consecutive losses to finish with a 2–14 record, not only tying the Tampa Bay Buccaneers for the league's worst record, but the Titans also suffered their worst season since 1994, when the franchise was known as the Houston Oilers.
The 2015 Tennessee Titans season was the franchise's 46th season in the National Football League (NFL), the 56th overall and the 19th in the state of Tennessee. Second-year head coach Ken Whisenhunt was fired on November 3 following a 1–6 start, and was replaced by tight ends coach Mike Mularkey on an interim basis. Despite slightly improving from their 2–14 season from the previous year, finishing with a 3–13 record, they finished with a lower Strength of Schedule, thus earning the right to the top pick in the 2016 NFL draft, later trading it to the Los Angeles Rams.
The 2016 season was the Tennessee Titans franchise's 47th in the National Football League (NFL) and their 57th overall. It also marked the franchise's 20th season in the state of Tennessee as well as the first full season under head coach Mike Mularkey, who served as the team's interim head coach for the last nine games of the 2015 season.
The 2017 Tennessee Titans season was the franchise's 48th season in the National Football League (NFL) and the 58th overall. It also marked the franchise's 21st season in the state of Tennessee as well as the second full season under head coach Mike Mularkey. They equaled their record from a year ago, and not only that, with a 15–10 win over the Jacksonville Jaguars in Week 17, they clinched their first playoff berth since 2008. In the first round, the Titans rallied from a 21–3 halftime deficit against the Chiefs to win 22–21, winning their first playoff game since 2003. However, they were defeated by the New England Patriots in the divisional round by the score of 35–14. Despite making the playoffs and winning a playoff game, this would be Mularkey's final year coaching the Titans, as they parted ways after the season ended. This is also the last season where the Titans wore their uniform design since 1999.
The 2018 Tennessee Titans season was the franchise's 49th season in the National Football League (NFL) and their 59th overall. It also marked the franchise's 22nd season in the state of Tennessee, their first under head coach Mike Vrabel, and the first with new uniforms and blue helmets, as they have worn white helmets since the club was based in Houston, Texas. This season marked the third of four straight in which the Titans finished 9–7. The Titans failed to qualify for the postseason after losing a Week 17 win-and-in contest against their division rival Indianapolis Colts.
The 2019 season was the Tennessee Titans' 50th in the National Football League (NFL) and their 60th overall. It marks the franchise's 23rd season in the state of Tennessee, their 22nd in Nashville and their second full season under head coach Mike Vrabel. Despite a 2–4 start resulting in the benching of quarterback Marcus Mariota, the Titans turned their season around with ex-Dolphins quarterback Ryan Tannehill. With the boost of Tannehill, what was a previously bottom-tier NFL offense transformed into one of its best, helping the Titans to a strong 7–3 finish, making them 9–7 for the fourth straight year and allowing for their return to the postseason after a one-year absence.
The 2020 season was the Tennessee Titans' 51st in the National Football League (NFL), their 61st overall, their 24th in the state of Tennessee, and their third under head coach Mike Vrabel. After starting the season 5–0, their first since the 2008 season, the Titans improved upon their 9–7 season from the previous 4 years and earned their first double-digit winning season and division title since 2008. The Titans finished tied with the Indianapolis Colts for the AFC South division title, but won the tiebreaker based on record vs. division opponents. In the Wild Card Round, the Titans blew a 10–0 lead and were upset by Lamar Jackson's Baltimore Ravens, 20–13. As of 2024, they are the most recent AFC division champion to lose in the Wild Card round.
The 2021 season was the Tennessee Titans' 52nd season in the National Football League (NFL), their 62nd overall, their 25th in the state of Tennessee, and their fourth under head coach Mike Vrabel. After a 34–3 win over the Miami Dolphins in Week 17, the Titans clinched the AFC South for the second consecutive season. It would be the first time since 1960–1962 that the franchise would win its division in back-to-back seasons. The Titans finished 12–5, improving on their 11–5 record from the prior year and earning the AFC's No. 1 seed in the playoffs for the first time since 2008. The season ended with a 19–16 loss to eventual AFC champion Cincinnati Bengals, the third consecutive playoff loss.
The 2022 season was the Tennessee Titans' 53rd in the National Football League (NFL), their 63rd overall, their 26th in the state of Tennessee and their fifth under head coach Mike Vrabel.
The 2023 season was the Tennessee Titans' 54th season in the National Football League (NFL), their 64th overall, their 27th in the state of Tennessee and their sixth and final under head coach Mike Vrabel. The Titans attempted to improve upon their underachieving 7–10 record from last year. They also attempted to make it back to the playoffs after missing them for the first time since 2018. However, after a Week 15 loss to the Houston Texans in overtime, they were eliminated from playoff contention for the second year in a row. The following week they were locked to last in the AFC South after losing to the Seattle Seahawks 20–17 in Week 16, and they failed to improve on their 7–10 record from 2022. On January 9, the Titans fired Vrabel.
The 2024 season is the Tennessee Titans' 55th season in the National Football League (NFL), their 65th overall, their 28th in the state of Tennessee, their second under the leadership of general manager Ran Carthon and their first under head coach Brian Callahan. The Titans failed to improve on their 6–11 record from last year after a Week 15 loss to the Cincinnati Bengals. They were eliminated from playoff contention for the third consecutive season following a Week 14 loss to the Jacksonville Jaguars. They also had a 1–6 start to the season, their worst start since 2015. This is their first season since 2015 without long time running back Derrick Henry, who left the team in the offseason and joined the Baltimore Ravens.