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 2013 season was the St. Louis Rams' 76th in the National Football League (NFL), their 19th in St. Louis and their second under head coach Jeff Fisher. The Rams equaled their win total from 2012, but missed the playoffs for a ninth consecutive season.
The 2014 Washington Redskins season was the franchise's 83rd season in the National Football League (NFL) and the first season under head coach Jay Gruden. The Redskins finished the season 4–12, slightly improving on their 3–13 record from 2013 and resulted in the departure of defensive coordinator Jim Haslett.
The 2016 season was the Kansas City Chiefs' 47th in the National Football League (NFL), their 57th overall and their fourth under head coach Andy Reid and the fourth and final season under general manager John Dorsey who was fired June 22, 2017. The Chiefs clinched their first AFC West division title since 2010, beginning a streak of eight consecutive that still stands as of 2023. The Chiefs also clinched a first-round bye for the first time since 2003, but lost to the Pittsburgh Steelers in the Divisional round 18–16.
The 2016 Houston Texans season was the franchise's 15th season in the National Football League (NFL) and the third under head coach Bill O'Brien. The Texans' attempt to make history as the first team to play the Super Bowl on their home field, NRG Stadium, was thwarted in the second round of the 2016–17 NFL playoffs by the eventual Super Bowl LI champion New England Patriots.
The 2017 Houston Texans season was the franchise's 16th season in the National Football League (NFL) and the fourth under head coach Bill O'Brien. With the Texans' loss at the Titans in Week 13, Houston exceeded their loss total (7) from 2014, 2015 and 2016. The Texans clinched their first losing season since 2013, and finished in last place in the AFC South for the first time since 2013. The Texans also missed the playoffs for the first time since 2014.
The 2018 season was the Houston Texans' 17th season in the National Football League (NFL) and their fifth under head coach Bill O'Brien. This marked the first season since 2005 that Rick Smith would not be the general manager as he took a leave of absence for family reasons. Despite an 0–3 start, their first in a decade, the Texans surpassed their win total from the previous season with a Week 8 win over the Miami Dolphins. They had a franchise record 9 consecutive wins that also broke the NFL record for most consecutive wins after starting 0–3. The streak ended with a Week 14 loss to the Indianapolis Colts. With a Week 15 win over the New York Jets, the Texans clinched their first 10-win season under head coach Bill O’Brien, their first 10-win season since 2012 and their third 10-win season in franchise history.
The 2018 season was the Indianapolis Colts' 66th in the National Football League (NFL) and their 35th in Indianapolis. It was also their first season under head coach Frank Reich and second under the leadership of general manager Chris Ballard. Despite a 1–5 start, the Colts managed to improve on their 4–12 campaign from the year prior with a 38–10 victory over the Tennessee Titans, and a 5-game winning streak. On Week 16, the Colts achieved their first winning season since 2014 with a 28–27 win against the New York Giants. The next week, they beat the Tennessee Titans in a win or go home match-up to reach the playoffs for the first time since 2014 and became the third team in NFL history to qualify for the playoffs after a 1–5 start and first since the 2015 Chiefs.
The 2018 season was the Jacksonville Jaguars' 24th in the National Football League (NFL) and their second under head coach Doug Marrone. This was their first season in new uniforms, which were revealed in April 2018. The Jaguars had hopes of matching or improving on their 10–6 campaign from the year prior, but despite a 3–1 start, the Jags fell into a 7 game losing streak and failed to improve on their 10–6 record after a Week 10 loss to the Colts. After they lost to the Tennessee Titans in Week 14, the Jaguars fell to 4–9 and were officially eliminated from postseason contention. They finished 5–11, in last place in the AFC South.
The 2019 season was the Atlanta Falcons' 54th in the National Football League (NFL), their third playing their home games at Mercedes-Benz Stadium and their fifth under and final full season under head coach Dan Quinn, as he would be fired during their next season. They tried to improve on their 7–9 season from 2018, and return to the playoffs for the first time since 2017. However, the Falcons stumbled out of the gate and had their worst start for the first time in 16 years with a 1–7 record to begin the campaign.
The 2019 season was the Jacksonville Jaguars' 25th in the National Football League (NFL) and their third under head coach Doug Marrone.
The 2020 season was the Houston Texans' 19th season in the National Football League (NFL) and their seventh and final season under head coach Bill O'Brien. Following their week 10 loss to the Cleveland Browns, they failed to match/improve their 10–6 record from last year and failed to win 10 or more games for the first time since the 2017 season. They were eliminated from playoff contention after a Week 14 loss to the Chicago Bears and suffered their first losing season since 2017. This was also the first season since 2012 that DeAndre Hopkins was not on the roster, as he was traded to the Arizona Cardinals in the offseason. This was the Texans' final season with Deshaun Watson as the starting quarterback, as he would sit out the next season amidst sexual misconduct allegations as well as demanding to be traded. Watson's final game as a Texan was on January 2, 2021, a 38–41 loss to the Tennessee Titans, and would be traded to the Cleveland Browns a year later, on March 18, 2022.
The 2020 season was the Jacksonville Jaguars' 26th season in the National Football League (NFL), their eighth and final season under general manager David Caldwell and their fourth and final season under head coach Doug Marrone. With a Week 11 loss to the Pittsburgh Steelers, the Jaguars dropped to 1–9 resulting in their third consecutive losing season and their ninth in ten seasons. After a loss to the Cleveland Browns in Week 12, the Jaguars both failed to improve on their 6–10 record from the previous season and were eliminated from playoff contention for the third consecutive season. They surpassed their loss total from the previous season after an overtime loss to the Minnesota Vikings.
The 2022 season was the Houston Texans' 21st in the National Football League (NFL) and their only season under Lovie Smith, following the firing of David Culley at the end of the 2021 season.
The 2022 season was the Indianapolis Colts' 70th in the National Football League (NFL), their 39th in Indianapolis, their sixth under the leadership of general manager Chris Ballard and their fifth and final season under head coach Frank Reich.
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 2022 season was the Kansas City Chiefs' 53rd in the National Football League (NFL), their 63rd overall, their 10th under head coach Andy Reid, and their sixth under general manager Brett Veach. The Chiefs finished the regular season 14–3, improving their win total from the previous season and matching the franchise record for wins.
The 2023 season was the Houston Texans' 22nd season in the National Football League (NFL) and the first under head coach DeMeco Ryans. While the team went into the season with low expectations as a rebuilding period and started 0–2, they not only improved on their 3–13–1 record from last year with a Week 9 win over the Tampa Bay Buccaneers, but the Texans qualified for the playoffs for the first time since 2019 with a win over the Indianapolis Colts in Week 18, ending with a 10–7 record. After the Jacksonville Jaguars lost to the Tennessee Titans the day after, the Texans also clinched the AFC South for the first time since 2019. The Texans became the fifth team in NFL history to make the playoffs with both a rookie quarterback and a rookie head coach, as well as making history as the first team in NFL history to win a division entirely with a rookie head coach and rookie quarterback.
The 2023 season was the Jacksonville Jaguars' 29th season in the National Football League (NFL), their third full season under the leadership of general manager Trent Baalke and their second under head coach Doug Pederson. With a Week 17 win over the Carolina Panthers, they matched their nine-win record from 2022.
The 2024 season is the Indianapolis Colts' 72nd season in the National Football League (NFL) and their 41st in Indianapolis. It will also be their eighth under the leadership of general manager Chris Ballard and the second under head coach Shane Steichen. They will attempt to improve on their 9–8 record from last year, make the playoffs after a three-year absence, and end their nine-year AFC South title drought.