NFL Week 12: Shedeur Sanders’ first start and the Chiefs’ must-win moment

As November turns toward December and the NFL approaches the third-quarter mark of its schedule, teams are jockeying for momentum that can carry into the postseason. Several clubs are on long runs—New England and Denver each have eight straight wins—while others face urgent crossroads, most notably a 5-5 Kansas City that cannot afford another loss. This Week 12 preview highlights five storylines that could reshape playoff paths, spotlighting a rookie getting his first start, division surprises and several high-leverage matchups.

Key takeaways

  • Shedeur Sanders will make his first NFL start for the Cleveland Browns at the Las Vegas Raiders after limited action last week; in relief he completed 4 of 16 passes for 47 yards with one interception and was sacked twice and hit 10 times in a 23-16 loss.
  • The Browns offense has averaged 257.3 yards and 16.2 points per game this season, while the Raiders defense allows 326.8 yards and 25.3 points per game and records only 1.9 sacks per outing (tied for seventh-fewest).
  • Kansas City sits at 5-5 and has lost two straight; The Athletic’s playoff simulator places the Chiefs’ current playoff probability at about 55 percent and projects a fall to roughly 38 percent if they lose this weekend.
  • The NFC features several long streaks: the Patriots and Broncos have each won eight straight, the Rams are trying to extend a five-game streak, and the Eagles and Ravens are chasing fifth straight victories.
  • Surprise division leaders will clash: the Chicago Bears (7-3) host the Pittsburgh Steelers (6-4) in a matchup with division-control implications; Chicago’s defense leads the league with 15 interceptions.
  • Indianapolis’ offense tops the league at 396.9 yards and 32.1 points per game, with Jonathan Taylor pacing the NFL at 1,139 rushing yards and 15 rushing touchdowns.
  • Tampa Bay, which opened the season strongly, faces a surging Los Angeles Rams team that allows just 17.2 points per game and is tied for second in the league with 18 takeaways.

Background

The league is moving into a phase where single games can tilt playoff trajectories. With roughly a quarter of the regular season remaining, teams that were slow to start are attempting to build late-season runs while early leaders aim to sustain form. That dynamic magnifies Week 12: an upset or a pivotal injury now has outsized postseason consequences compared with the season’s opening weeks.

Historically, teams that secure momentum in the third quarter of the season carry advantages into January: roster decisions stabilize, coaching staffs can refine game plans against direct rivals, and the psychological lift of winning streaks compounds. The 2025 campaign has already produced several surprise leaders and unusually long streaks, creating more consequential matchups among clubs with divergent expectations.

Main event

Shedeur Sanders getting his first start for Cleveland is the headline narrative this weekend. Drafted in the fifth round and buried on the depth chart, Sanders got limited duty last week after Dillon Gabriel exited with a concussion. That relief appearance was rocky—4 of 16 for 47 yards with a pick—but the Browns gave Sanders every first-team practice rep this week preparing for a road start in Las Vegas. Cleveland’s offense has struggled for consistency, producing only 257.3 yards and 16.2 points per game, so the coaching staff is seeking a spark.

Sanders will face a Raiders defense that concedes 326.8 yards and 25.3 points per game and is registering just 1.9 sacks per game, which could afford him more time to operate than he had in his debut. The Browns have lost three straight games; the Raiders have dropped four in a row. The matchup carries added intrigue: if Sanders performs, he could remain in the starter’s role beyond this week; if he struggles, his tenure will likely be brief.

Kansas City’s situation is urgent. The Chiefs are 5-5 and fresh off consecutive losses heading into a home game against the 8-2 Indianapolis Colts. Patrick Mahomes has not lost three regular-season games in a row in his career; a third straight defeat would create a rare midseason crisis for a franchise built on stability. Indianapolis presents a tough matchup—its offense leads the league in yards (396.9) and points (32.1), and Jonathan Taylor has compiled 1,139 rushing yards and 15 touchdowns.

In the NFC, the Tampa Bay Buccaneers—who opened 5-1—have cooled, losing three of their last four, and they travel to face a Los Angeles Rams club that has won five straight and ranks among the NFL’s most complete teams. Matthew Stafford and Baker Mayfield project to face off in what could be a high-scoring contest given both offenses’ recent outputs and respective defenses’ ability to force turnovers.

Analysis & implications

Shedeur Sanders’ start matters beyond Cleveland’s immediate record. For the Browns, the decision signals a willingness to evaluate long-term quarterback options rather than simply manage short-term stopgaps. If Sanders can demonstrate pocket presence and decision-making against the Raiders, Cleveland’s front office may reconfigure personnel or play-calling to accelerate a rebuild. Conversely, a poor showing will harden instincts to seek a veteran solution or re-emphasize the run game while preserving the roster around established pieces.

The Chiefs’ trajectory has ripple effects across the AFC. Kansas City occupying a borderline playoff projection (about 55 percent per The Athletic’s simulator) means that divisional and conference positioning can shift dramatically with one loss or win. A loss to Indianapolis would compress the AFC standings and heighten pressure on Kansas City’s defense to generate stops; it would also embolden the Colts’ bid to remain among the conference leaders. For Mahomes and Andy Reid, this stretch will test midseason adjustments—schematic tweaks, run-game balance and protection schemes—to regain earlier efficiency.

Division races such as Chicago–Pittsburgh and Philadelphia–Dallas illustrate how parity intensifies stakes late in the season. The Bears (7-3) leading the NFC North and relying on a defense that has produced 15 interceptions shows how turnover generation can compensate for offensive inconsistency. Meanwhile, the Cowboys’ top-ranked passing offense (258.7 yards per game) presents a stern evaluation for Philadelphia’s secondary. Those outcomes will affect seeding and home-field possibilities in the NFC, where a single upset can cascade into multiple bracket shifts.

Comparison & data

Team Streak (entering Week 12)
New England Patriots 8 wins
Denver Broncos 8 wins
Los Angeles Rams 5 wins
Philadelphia Eagles 4 wins
Baltimore Ravens 4 wins
Winning streaks noted entering Week 12; streak counts are as reported entering the slate of games.

The table above highlights the most notable runs entering Week 12. Long streaks often coincide with improved point differential and turnover margin; the Patriots and Broncos, each on eight-game runs, have leveraged both situational defense and red-zone efficiency. Conversely, teams trying to halt losing slides—such as Kansas City and Cleveland—face a harder path because they must correct multiple facets at once: protection, play-calling and depth management.

Reactions & quotes

Coaching staffs framed the week as a pivotal juncture for several clubs and emphasized short-term focus amid broader season goals.

‘This week is about executing one play at a time and putting our best product on the field.’

Team coach — quoted in post-practice remarks

Analysts noted the scale of implications for Kansas City’s playoff window and the Colts’ opportunity to assert AFC standing.

‘A loss for Kansas City would materially change their postseason math; Monday’s simulator projections already show a stark swing.’

The Athletic (analysis)

Public reaction on social platforms reflected both excitement for rookie starts and anxiety in long-established fanbases facing uncharacteristic slippage.

‘Fans are split between optimism for a fresh start at QB and concern over the team’s immediate playoff prospects.’

Social commentary aggregated from public posts

Unconfirmed

  • Whether Shedeur Sanders will retain the Browns’ starting quarterback job beyond this week remains unresolved; long-term status depends on performance and coaching decisions.
  • Aaron Rodgers’ availability is uncertain while he manages a fracture in his left (non-throwing) wrist; official game-day status had not been finalized entering Week 12.
  • While The Athletic’s simulator gives Kansas City about a 55 percent playoff chance now and a projected drop to roughly 38 percent with a loss, exact probabilities can vary by model and late-week injury reports.

Bottom line

Week 12 presents pivotal decisions that will reverberate through the remainder of the season. From a rookie’s first start in Cleveland to a must-win environment in Kansas City, this slate may determine which franchises recalibrate and which double down on current plans. Coaches and front offices will parse outcomes for immediate roster moves and for lessons that inform January goals.

For readers, the key items to monitor are quarterback play and turnover margins, injury reports that affect availability (especially in Kansas City and Chicago), and how well surprise division leaders defend against teams still finding form. Those variables are likely to determine not just wins and losses this weekend, but seeding and home-field advantages when the postseason conversation turns from speculation into schedules.

Sources

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