KANSAS CITY, Mo. (Interstat) — In a defensive struggle defined by critical red-zone stands and a dramatic final-minute interception, the Los Angeles Chargers eked out a 16-13 victory over the Kansas City Chiefs on Sunday at GEHA Field at Arrowhead Stadium.

The win, secured before an announced crowd of 73,073, improved the Chargers to 10-4 across all competitions, solidifying their playoff positioning. The Chiefs, meanwhile, fell to 6-8, their postseason hopes taking a significant hit in a game where their offense repeatedly stalled in scoring territory.

The most important sequence of the game unfolded in the final minute of the fourth quarter, with the Chiefs driving for a potential go-ahead touchdown. After Patrick Mahomes was replaced by Gardner Minshew following a series of sacks, Kansas City advanced to the Los Angeles 34-yard line. On second down with 20 seconds remaining, Minshew’s pass intended for tight end Travis Kelce in the end zone was intercepted by Chargers safety Derwin James Jr. at the 18-yard line, sealing the victory for the visitors.

The game was a stark contrast to the high-scoring affairs often associated with these two teams and their star quarterbacks. Both defenses dominated, combining for nine sacks and three interceptions. The Chargers’ defensive front, led by Odafe Oweh and Tuli Tuipulotu with two sacks each, harassed Mahomes throughout the day. The Chiefs’ defense was equally tenacious, with Ashton Gillotte recording an interception and part of a sack.

Los Angeles never trailed but could not pull away, largely due to its own offensive struggles inside the Kansas City 10-yard line. The Chargers settled for three field goals from Cameron Dicker, including two in the third quarter that extended a slim 10-7 halftime lead to 16-13. Dicker was perfect on the day, connecting from 49, 23 and 49 yards.

The Chiefs’ only touchdown came on their opening drive, a 12-yard scramble by Mahomes. After that, Kansas City’s offense was held to a pair of Harrison Butker field goals of 27 and 47 yards. The Chiefs consistently moved the ball between the 20s but could not finish drives, with a key fourth-quarter interception by Chargers linebacker Daiyan Henley in the end zone thwarting another promising opportunity.

Chargers quarterback Justin Herbert managed the game effectively, completing 19 of 29 passes for 210 yards and one touchdown with one interception. His most significant throw was a 16-yard strike to KeAndre Lambert-Smith with five seconds remaining in the first half, giving Los Angeles a 10-7 lead at the break. The Chargers’ ground game, led by Omarion Hampton’s 61 yards on 15 carries, provided just enough balance.

Mahomes finished 16 of 28 for 189 yards and added 15 rushing yards and a touchdown on the ground, but was sacked five times. Kelce was his top target with seven catches for 70 yards, while Rashee Rice added seven receptions for 51 yards. The Chiefs’ running game was nonexistent, managing just 36 yards on 23 carries.

The victory completed a regular-season sweep for the Chargers over the Chiefs, having also won 27-21 in the season opener in Los Angeles. It defied pregame projections, as statistical models heavily favored Kansas City at home.

The Chargers’ defense was the definitive story, with James’ game-sealing play the exclamation point. Linebacker Drue Tranquill, a former Chief, led all players with 14 tackles for Kansas City, while Denzel Perryman had nine for Los Angeles.

Los Angeles will look to build on the momentum next Sunday when they visit the Dallas Cowboys. The Chiefs, facing a steep climb to salvage their season, travel to face the Tennessee Titans, also on Sunday.