2018 · Week 3

Final

49ers

San Francisco

QB Jimmy Garoppolo

27·38

Chiefs

Kansas City

QB Patrick Mahomes

Arrowhead Stadium · outdoors · grass · 70°F · wind 4mph

Closing spread

KC -6

Total

53

Model margin

+6.8est.

KC perspective

Push chance

3.2%est.

the line sits on a key number

Availability

The injury report

The official league filing for this week — game designations first, then who missed or was limited in practice.

49ers

Chiefs

Win probability

  • Chiefs
  • 49ers

How each play moved the game.

Chiefs wins49ers wins

Matchup

Where the edges are

Season-long league percentiles for both sides, mirrored. The saturated side of a lopsided row holds the edge.

49ersedge mapChiefs
  • -0.019EPA / play+0.236
  • 44.8%Success rate50.0%
  • +0.054EPA / dropback+0.349
  • -0.135EPA / rush+0.018
  • 11.4%Explosive rate12.1%
  • -2.68CPOE+4.64
  • 37.2%Third-down rate47.8%
  • 54.2%Red-zone TD rate75.5%
  • 1.66Points / drive3.03
  • 2.9%Turnover rate1.7%

Bar length is league percentile, already oriented so longer is better. The saturated side of a lopsided row holds the edge; rows within ~12 points are washed as even.

The rivalry

KC lead 7–3 since 1999

KC have won 5 straight. Meetings average 45.5 points. KC are 8-2 ATS in the series.

Previous meetings
SeasonMatchupScoreWinner
2024 · W7KC @ SF28–18KC
2023 · playoffsSF @ KC22–25KC
2022 · W7KC @ SF44–23KC
2019 · playoffsSF @ KC20–31KC
2014 · W5KC @ SF17–22SF
2010 · W3SF @ KC10–31KC
2006 · W4SF @ KC0–41KC
2002 · W10KC @ SF13–17SF

Possession by possession

How it unfolded

Every drive: who had the ball, how far it went, how it ended, and the score as it settled.

Drive-by-drive log
BallStartPlaysYardsResultSF–KC
SFQ1 15:0035Punt0–0
KCQ1 13:191162Touchdown0–7
SFQ1 8:24531Punt0–7
KCQ1 5:46933Touchdown0–14
SFQ1 2:201077Touchdown7–14
KCQ2 11:52575Touchdown7–21
SFQ2 8:5434Punt7–21
KCQ2 7:12852Touchdown7–28
SFQ2 3:3758Punt7–28
KCQ2 2:001173Touchdown7–35
SFQ2 0:34554Field goal10–35
KCQ3 15:00723Punt10–35
SFQ3 11:36787Touchdown16–35
KCQ3 8:593-5Punt16–35
SFQ3 7:551272Touchdown24–35
KCQ3 2:431051Field goal24–38
SFQ4 13:471768Field goal27–38
KCQ4 5:17922End of half27–38

Box score

Individual performances

49ers

Passing

PlayerC/AttYdsTDINT
Jimmy Garoppolo20/3025120

Rushing

PlayerCarYdsAvgTD
Matt Breida10909.00
Alfred Morris14674.81
Jimmy Garoppolo3237.70
Raheem Mostert100.00
Marquise Goodwin1-2-2.00

Chiefs

Passing

PlayerC/AttYdsTDINT
Patrick Mahomes24/3831430

Rushing

PlayerCarYdsAvgTD
Kareem Hunt18442.42
Sammy Watkins22010.00
Patrick Mahomes571.40
Tyreek Hill252.50
Spencer Ware111.00

Where this game is likely to land

  • Model
  • Smooth (normal)
  • Betting line

Probability of each final margin. Football scoring clusters — the spikes at 3 and 7 are real, and a smooth model misses them.

line +63.1%5.9%7.3%3.2%5.0%3.4%3.2%2.6%

Positive margins favour Chiefs; negative favour 49ers.

Half-point at risk

3.20%

outcomes that flip if the line moves 0.5

Model home win

67.0%

Expected total

46.7est.

Model

Where the number comes from

Each component is additive, in points of expected margin.

  • Team ratings (opponent-adjusted EPA)+3.38
  • Home-field advantage+1.74
  • Quarterback adjustment+1.72
  • Rest differential0.00
  • Expected margin+6.84