The 1980 season was the Oakland Raiders' 21st since they were founded, their 11th in the National Football League (NFL) and their second under head coach Tom Flores.
The 1970 Kansas City Chiefs season was the franchise's debut season in the National Football League, the 8th as the Kansas City Chiefs, and the 11th overall. It began with the Chiefs attempting to defend their Super Bowl IV championship title but ended with a 7–5–2 record and missed the playoffs for the first time since 1967.
The 1972 Kansas City Chiefs season was the franchise's third season in the National Football League, tenth as the Kansas City Chiefs, and thirteenth overall. The Chiefs moved into the new Arrowhead Stadium and ended with an 8–6 record, runner-up in the AFC West, but missed the playoffs.
The 1973 Kansas City Chiefs season was the franchise's 4th season in the National Football League, the 11th as the Kansas City Chiefs, and the 14th overall. they finished with a 7–5–2 record and missed the playoffs for the second straight year. This was their last winning season until 1981.
The 1974 Kansas City Chiefs season was the franchise's fifth season in the National Football League, the twelfth season in Kansas City Chiefs, and the fifteenth overall, it ended with a 5–9 record and the Chiefs missed the playoffs for the third straight season consecutive and third-place finish in the AFC West, Hank Stram was fired after the season and was replaced by Paul Wiggin in 1975.
The 1976 Kansas City Chiefs season was the franchise's seventh season in the National Football League, the fourteenth as the Kansas City Chiefs, and the seventeenth overall. It ended with a third consecutive 5–9 record and the Chiefs missed the playoffs for the fifth consecutive season.
The 1978 Kansas City Chiefs season was the franchise's 9th season in the National Football League, the 16th as the Kansas City Chiefs, and the 19th overall. It began with the hiring of new head coach Marv Levy, formerly of the Canadian Football League's Montreal Alouettes. With the NFL expanding its schedule to 16 games, the Chiefs finished with a 4–12 record and 5th in the AFC West.
The 1979 Kansas City Chiefs season was the franchise's 10th season in the National Football League, the 17th as the Kansas City Chiefs, and the 20th overall. They improved on their 4–12 record from 1978 to a 7–9 record, but a last-place finish in the AFC West. The Chiefs missed the playoffs for the eighth straight year due to the four other teams ahead of them in their division all finishing with winning records.
The 1980 Kansas City Chiefs season was the franchise's 11th season in the National Football League and 21st overall. They improved from 1979 from a 7–9 to an 8–8 record, the most wins for the franchise since an 8–6 season in 1972, but missed the playoffs for the ninth consecutive season.
The 1999 season was the San Diego Chargers' 30th in the National Football League (NFL), their 40th overall and their first under head coach Mike Riley.
The 1974 San Diego Chargers season was the franchise's fifth season in the National Football League (NFL), and its 15th overall. The team improved on their 2–11–1 record in 1973 and finished 5–9. It was Tommy Prothro's first season as the team's head coach.
The 1973 San Diego Chargers season was the franchise's fourth season in the National Football League (NFL), and its 14th overall.
The 1972 San Diego Chargers season was the franchise's third season in the National Football League (NFL), and its 13th overall. The team failed to improve on their 6–8 record in 1971. The Chargers would get off to a poor start, as they were devoured 34-3 in their season opener at San Francisco. After their week 2 win against the Denver Broncos, the Chargers would play to a 17-17 draw with another cross-state rival, the Oakland Raiders. It was San Diego's fourth tie in 3 seasons. Even after they defeated the Baltimore Colts in the week following the tie, the Bolts would stumble the rest of the year, winning only 2 more games en route to a 4-9-1 season. This squad featured several players like Duane Thomas, Tim Rossovich, Dave Costa and John Mackey who were unwanted by most of the other NFL teams.
The 1970 San Diego Chargers season was the franchise's eleventh overall season and first season in the National Football League (NFL). As a result of the NFL-AFL Merger, where the league was broken into two conferences, each member of the American Football League was moved into the American Football Conference.
The 1969 San Diego Chargers season was the team's tenth as a franchise and their ninth in San Diego. It began with the team trying to improve on their 9–5 record in 1968, as this would be the last season for the team with a winning record until 1978. It was the last American Football League season before the AFL–NFL merger. It was also Sid Gillman's final season as the team's head coach, as he resigned due to poor health in the middle of the season, and Charlie Waller took over for the last five games.
The 1968 Season was the 9th season for the San Diego Chargers as a professional AFL franchise; the team improved on their 8–5–1 record from 1967, finishing at 9–5. This was also Sid Gillman's final full year as Chargers head coach.
The 1967 Season was the 8th season for the San Diego Chargers as a professional AFL franchise; the team improved on their 7–6–1 record in 1966 and finishing at 8–5–1. It was the team's first season at San Diego Stadium, and the Chargers finished in third place in the AFL West Division with a record of 8–5–1.
The 1975 Atlanta Falcons season was the franchise's tenth year in the National Football League (NFL). With the first overall pick of the NFL draft, the Falcons selected quarterback Steve Bartkowski out of the University of California. However, the pick would do them no good as the Falcons slumped to another miserable 4–10 record and missed the playoffs for the 10th straight season. This was also the first and only full season for head coach Marion Campbell until the 1980s, as he was hired to coach the final 6 games of the previous season and was fired 5 games into the following season.
The 1970 Oakland Raiders season was the team's 11th season in Oakland. It was also their first season as members of the NFL. The Raiders would ultimately win their fourth consecutive division title. They advanced to the AFC Championship Game, where they lost to the Baltimore Colts.
The 2003 Oakland Raiders season was the 44th season of professional football for the Oakland Raiders franchise, their 34th season as members of the National Football League (NFL), and their ninth season since returning to Oakland. They were led by head coach Bill Callahan in his second and final year as head coach of the Raiders. The Raiders played their home games at Network Associates Coliseum as members of the AFC West. They finished the season 4–12 to finish in a tie with the Chargers for last place, but the Raiders finished in 3rd place because they had a better conference record than the Chargers did. It marked the first time since 1999 that the Raiders failed to make the playoffs and finished with a losing record for the first time since 1997.