2021 · Week 1

Final

Browns

Cleveland

QB Baker Mayfield

29·33

Chiefs

Kansas City

QB Patrick Mahomes

GEHA Field at Arrowhead Stadium · outdoors · grass · 88°F · wind 8mph

Closing spread

KC -5.5

Total

54.5

Model margin

+3.1est.

KC perspective

Push chance

None

half-point line — cannot push

Win probability

  • Chiefs
  • Browns

How each play moved the game.

Chiefs winsBrowns wins

Matchup

Where the edges are

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

Brownsedge mapChiefs
  • +0.014EPA / play+0.140
  • 43.7%Success rate51.1%
  • +0.013EPA / dropback+0.216
  • +0.015EPA / rush-0.024
  • 11.2%Explosive rate8.3%
  • -2.26CPOE+2.81
  • 39.1%Third-down rate52.1%
  • 70.6%Red-zone TD rate60.0%
  • 1.81Points / drive2.66
  • 2.0%Turnover rate2.0%

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 9–3 since 1999

KC have won 6 straight. Meetings average 49.8 points. KC are 5-7 ATS in the series.

Previous meetings
SeasonMatchupScoreWinner
2024 · W15KC @ CLE217KC
2020 · playoffsCLE @ KC1722KC
2018 · W9KC @ CLE3721KC
2015 · W16CLE @ KC1317KC
2013 · W8CLE @ KC1723KC
2012 · W14KC @ CLE730CLE
2010 · W2KC @ CLE1614KC
2009 · W15CLE @ KC4134CLE

Box score

Individual performances

Browns

Passing

PlayerC/AttYdsTDINT
Baker Mayfield21/2832101

Rushing

PlayerCarYdsAvgTD
Nick Chubb15835.52
Kareem Hunt6335.51
Anthony Schwartz11717.00
Jarvis Landry2136.51
Baker Mayfield177.00

Chiefs

Passing

PlayerC/AttYdsTDINT
Patrick Mahomes27/3633730

Rushing

PlayerCarYdsAvgTD
Clyde Edwards-Helaire14433.10
Patrick Mahomes5183.61
Tyreek Hill144.00
Darrel Williams144.00
Blake Bell122.00

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 +5.53.9%6.9%7.5%3.1%4.8%3.1%2.7%

Positive margins favour Chiefs; negative favour Browns.

Half-point at risk

3.13%

outcomes that flip if the line moves 0.5

Model home win

57.5%

Expected total

46.3est.

Model

Where the number comes from

Each component is additive, in points of expected margin.

  • Team ratings (opponent-adjusted EPA)+1.45
  • Home-field advantage+1.71
  • Quarterback adjustment0.00
  • Rest differential0.00
  • Expected margin+3.15