In the offseason the Chiefs had several major changes, including trading 2-time Pro BowlerMarcus Peters, as well as Alex Smith. The team also voided the final year of the contract of their longest tenured player Derrick Johnson and they released long time linebacker Tamba Hali. Under first year starting quarterback Patrick Mahomes, the Chiefs would start the season 5–0 for the second consecutive year before losing to the New England Patriots. The Chiefs then won their next four games before losing again to the Los Angeles Rams. A Week 14 win over the Baltimore Ravens clinched the Chiefs' fourth consecutive playoff appearance. After defeating their rival, the Oakland Raiders 35–3 in Week 17, the Chiefs clinched their third consecutive division title and home-field advantage throughout the playoffs for the first time since 1997. In the playoffs, the Chiefs advanced to the AFC Championship Game for the first time since 1993 by defeating the Indianapolis Colts, 31–13 in the Divisional round. This win ended the Chiefs' 6-game home playoff losing streak dating back to 1993. It was only the Chiefs' second win in their last 13 playoff games. In the AFC Championship Game, the Chiefs lost to the eventual Super Bowl championNew England Patriots, 37–31 in overtime. Two days after the loss, defensive coordinatorBob Sutton was fired following multiple NFL analysts criticizing his lack of adjustments in the AFC Championship Game, as well as other games throughout the season.
NFL Top 100
The Chiefs had three players ranked in NFL Network's annual Top 100 players countdown, the fewest the team has had on the list since 2012.
The Chiefs traded their first round selection, along with their 2017 first and third round selections to the Buffalo Bills in exchange for the Bills' 2017 first-round selection.
The Chiefs received a seventh round draft selection from the Arizona Cardinals in exchange for cornerback Marcus Cooper.
The Chiefs traded cornerback Marcus Peters and their sixth round selection to the Los Angeles Rams for their fourth round selection and their second round selection in the 2019 NFL Draft.
The Chiefs received a 2nd round pick and a 3rd round pick from the Cincinnati Bengals in exchange for the Chiefs' 2nd round pick and 3rd round pick.
The Chiefs received a 3rd round pick from the Baltimore Ravens in exchange for their 3rd round pick and their 4th round pick
The Chiefs received a 6th round pick from the New England Patriots in exchange for two 7th round picks
Staff
Final roster
Preseason
Regular season
Schedule
Notes
Intra-division opponents are in bold text.
The Week 11 game against the Los Angeles Rams was originally scheduled to be played in Mexico City in Estadio Azteca as a part of the league's International Series, but was moved to Los Angeles due to concerns over the playing surface.
With this win, head coach Andy Reid won his 206th combined regular season & post season game, passing Marty Schottenheimer to move to 7th most combined wins in NFL history.
Standings
Division
Conference
Postseason
Schedule
Game summaries
AFC Divisional Playoffs: vs. (#6) Indianapolis Colts