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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 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 2004 season was the Houston Texans' third in the National Football League, all of which they had spent under head coach Dom Capers. The team finished 7–9, two games better than the previous season, and came third in the AFC South, the first time they had not finished bottom. The Texans also earned their first victory over the Tennessee Titans, the franchise previously known as the Oilers, who had left Houston after the 1996 season.
The 2008 Tennessee Titans season was the team's 49th season and 39th in the National Football League (NFL), their 12th in Tennessee, and their tenth as the Titans.
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The 2003 Tennessee Titans season was the team's 44th season and their 34th in the National Football League. At 12–4 the Titans posted the 15th season with at least ten wins in the franchise's history dating to their Houston Oilers days. Quarterback Steve McNair threw for 3,215 yards and 24 touchdowns to just seven interceptions; he also rushed for 138 yards and four touchdowns, all despite missing two games to injury, and was named the NFL's co-MVP with Peyton Manning of the Titans' division arch-rival Indianapolis Colts. Eddie George rushed for 1,031 yards and five touchdowns while Derrick Mason had 1,303 receiving yards and eight touchdowns. Justin McCareins had 586 punt/kick return yards and a return touchdown.
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The 1998 Tennessee Oilers season was the franchise's 39th season overall, 29th with the National Football League (NFL), and their final season as the Oilers; they would be renamed the Titans the following year.
The 2009 Tennessee Titans season was the 50th season for the original American Football League (AFL) team, their 40th in the National Football League (NFL), and 13th in Tennessee. The Titans aimed to equal or improve on their 2008 NFL-best 13–3 record; however, they lost the first six games of the season. The Titans switched to Vince Young as starting quarterback and won eight out of their remaining ten games, losing only to the Indianapolis Colts and San Diego Chargers. The 42–17 loss to the Chargers in Week 16 eliminated the team from playoff contention for the first time since 2006.
The 2010 season was the Tennessee Titans' 41st in the National Football League (NFL), their 51st overall and their 14th season in Tennessee. Despite starting the season 5–2, they lost eight of their last nine games and finished with a 6–10 record, a regression from their 8–8 record in 2009. This was the Titans' final season under head coach Jeff Fisher, who resigned on January 27, 2011, after 17 seasons with the team.
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The 2011 season was the Houston Texans' 10th in the National Football League (NFL) and their sixth under head coach Gary Kubiak. The Texans improved on their record from the 2010 season, despite losing starting quarterback Matt Schaub & backup Matt Leinart to season ending injuries. Third stringer T.J. Yates filled in, and earned the franchise's first playoff berth by defeating the Cincinnati Bengals 20–19 in Week 14 and clinching the AFC South. It also assured the Texans of at least one playoff game at home—the first NFL playoff game in Houston since 1993. After reaching the Divisional match against the Baltimore Ravens, the Texans suffered their maiden loss in the NFL Playoffs, losing 20–13.
The 2011 season was the Jacksonville Jaguars' 17th in the National Football League (NFL). It was also their ninth season under head coach Jack Del Rio, but he was fired on November 29 after going 3–8 in the team's first 11 games and replaced on an interim basis by defensive coordinator Mel Tucker. Del Rio finished his tenure in Jacksonville with an overall 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 season was the Tennessee Titans' 43rd in the National Football League (NFL), their 53rd overall, their 16th in the state of Tennessee and their 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.
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The 2013 season was the Houston Texans' 12th in the National Football League (NFL). They 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, nine 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 Houston's previous team, the Oilers for the biggest season-to-season decline in win total. On January 3, 2014, claiming, "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 2013 season was the Tennessee Titans' 44th in the National Football League (NFL), their 54th overall, their 17th in the state of Tennessee, and their third and final season under head coach Mike Munchak. It was also their final season under the ownership of founder Bud Adams, who died on October 21. The Titans slightly improved on their 6–10 record from 2012 but missed the playoffs for a fifth consecutive season.
The 2014 season was the Tennessee Titans' 45th in the National Football League (NFL), their 55th overall and their 18th in the state of Tennessee. It was also their first season under head coach Ken Whisenhunt, as well as the first full season since 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 also the Titans' worst season since 1994, when the franchise was known as the Houston Oilers.
The 2015 season was the Tennessee Titans' 46th in the National Football League (NFL), their 56th overall and their 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' 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.
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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.
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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.
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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.
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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.