Quick answer
- Winner
- Buffalo Bills
- Final score
- Buffalo Bills 38–20 Kansas City Chiefs
- Halftime
- Buffalo Bills 24–13 Kansas City Chiefs at halftime
- FantasyHQ MVP
- Jonathan Allen
- Top passer
- Patrick Mahomes
- Biggest EPA play
- (7:20) (Shotgun) 15-P.Mahomes pass short left intended for 10-T.Hill INTERCEPTED by 23-M.H…
- Game date
- 2021-10-10
Game summary
The Buffalo Bills beat the Kansas City Chiefs 38–20 on 2021-10-10. Jonathan Allen posted a game-high +19.27 total EPA in the passing.
The highest-scoring period was Q2 with 27 combined points.
Line score
Final score and points by quarter.
| Q1 | Q2 | Q3 | Q4 | — | T | |
|---|---|---|---|---|---|---|
| 7 | 17 | 7 | 7 | 0 | 38 | |
| 3 | 10 | 0 | 7 | 0 | 20 |
Stars of the game
Top performers by total expected points added (EPA).
- 1

Jonathan Allen · Buffalo Bills · Passing · +19.27 total EPA · 32 snaps · +0.60 EPA/play - 2

Dawson Knox · Buffalo Bills · Receiving · +8.74 total EPA · 4 snaps · +2.18 EPA/play - 3
Eli Sanders · Buffalo Bills · Receiving · +5.45 total EPA · 5 snaps · +1.09 EPA/play - 4

Patrick Mahomes · Kansas City Chiefs · Passing · +4.29 total EPA · 70 snaps · +0.06 EPA/play - 5

Zack Moss · Buffalo Bills · Receiving · +3.37 total EPA · 4 snaps · +0.84 EPA/play - 6

Stefon Diggs · Buffalo Bills · Receiving · +2.39 total EPA · 5 snaps · +0.48 EPA/play - 7
Byron Pringle · Kansas City Chiefs · Receiving · +1.87 total EPA · 2 snaps · +0.93 EPA/play - 8

Jonathan Allen · Buffalo Bills · Rushing · +1.68 total EPA · 7 snaps · +0.24 EPA/play
FantasyHQ Game MVP
Highest total EPA with the player's top snap and the game's biggest single play when different.

FantasyHQ Game MVP
Jonathan Allen — BUF · Passing
Jonathan Allen posted the highest total EPA (+19.27) in the game, the strongest overall impact for Buffalo Bills. Across 32 counted snaps, they averaged +0.60 EPA per play.
Jonathan Allen's top snap (+5.03 EPA): (4:56) (Shotgun) 17-J.Allen pass deep middle to 14-S.Diggs to KC 11 for 61 yards (49-D.Sorensen).
Biggest single play (-6.95 EPA): Patrick Mahomes — (7:20) (Shotgun) 15-P.Mahomes pass short left intended for 10-T.Hill INTERCEPTED by 23-M.Hyde at KC 26. 23-M.Hyde for 26 yards, TOUCHDOWN.
Quarterback report card
Patrick Mahomes led all passers in efficiency for Kansas City Chiefs, setting the tone in the passing game according to FantasyHQ analytics.

Patrick Mahomes (Kansas City Chiefs) · 70 dropbacks · 47.1% completion · -3.6% CPOE · +0.06 EPA/play · +4.29 total EPA
Jonathan Allen (Buffalo Bills) · 32 dropbacks · 46.9% completion · +3.5% CPOE · +0.60 EPA/play · +19.27 total EPA
Team stats comparison
Side-by-side offensive and defensive efficiency.
| Stat | ||
|---|---|---|
| Offensive EPA/play | +0.203 | -0.082 |
| Offensive success rate | 45.2% | 49.5% |
| Pass EPA/play | +0.602 | +0.061 |
| Rush EPA/play | -0.070 | -0.454 |
| Defensive EPA/play | +0.082 | -0.203 |
| Defensive success rate | 50.5% | 54.8% |
Drive & efficiency notes
Despite the final score, Buffalo Bills generated the better offensive EPA per play (+0.20 vs -0.08), suggesting they moved the ball more efficiently.
Season benchmark context (offensive EPA per play):
- Buffalo Bills: +0.20 EPA/play (92nd percentile vs. 2021 team-game averages)
- Kansas City Chiefs: -0.08 EPA/play (32nd percentile vs. 2021 team-game averages)
- Buffalo Bills: 12 drives, +14.81 total EPA, 5 scoring drives
- Kansas City Chiefs: 12 drives, -8.74 total EPA, 5 scoring drives
Who scored touchdowns and field goals
Every touchdown and field goal from official play-by-play.
Touchdowns

Buffalo Bills — Jonathan Allen
Kansas City Chiefs — Byron Pringle (Patrick Mahomes pass)
Buffalo Bills — Eli Sanders (Jonathan Allen pass) 
Buffalo Bills — Dawson Knox (Jonathan Allen pass)
Buffalo Bills — Micah Hyde 
Kansas City Chiefs — Travis Kelce (Patrick Mahomes pass)
Buffalo Bills — Eli Sanders (Jonathan Allen pass)
Field goals

Kansas City Chiefs — Harrison Butker 
Buffalo Bills — Tyler Bass 
Kansas City Chiefs — Harrison Butker
Quarter by quarter
Quarter-by-quarter recap from live scoring plays.
The opening quarter: Buffalo Bills won the period 7–3. Kansas City Chiefs connected on a field goal from the BUF 19 (Q1 8:35) — (8:35) 7-H.Butker 38 yard field goal is GOOD, Center-41-J.Winchester, Holder-5-T.Townsend.; Buffalo Bills found the end zone from the KC 9 (Q1 4:41) — (4:41) (Shotgun) 17-J.Allen right guard for 9 yards, TOUCHDOWN.; Buffalo Bills added 1 points from the KC 15 (Q1 4:36) — 2-T.Bass extra point is GOOD, Center-69-R.Ferguson, Holder-3-M.Haack..
The second quarter: Buffalo Bills won the period 17–10. Kansas City Chiefs found the end zone from the BUF 5 (Q2 10:06) — (10:06) 15-P.Mahomes pass short right to 13-B.Pringle for 5 yards, TOUCHDOWN.; Kansas City Chiefs added 1 points from the BUF 15 (Q2 10:00) — 7-H.Butker extra point is GOOD, Center-41-J.Winchester, Holder-5-T.Townsend.; Buffalo Bills found the end zone from the KC 35 (Q2 7:51) — (7:51) (Shotgun) 17-J.Allen pass deep left to 1-E.Sanders for 35 yards, TOUCHDOWN.; Buffalo Bills added 1 points from the KC 15 (Q2 7:45) — 2-T.Bass extra point is GOOD, Center-69-R.Ferguson, Holder-3-M.Haack.; Buffalo Bills connected on a field goal from the KC 12 (Q2 3:16) — (3:16) 2-T.Bass 30 yard field goal is GOOD, Center-69-R.Ferguson, Holder-3-M.Haack.; Buffalo Bills found the end zone from the KC 53 (Q2 1:26) — (1:26) (No Huddle, Shotgun) 17-J.Allen pass deep right to 88-D.Knox for 53 yards, TOUCHDOWN.; Buffalo Bills added 1 points from the KC 15 (Q2 1:16) — 2-T.Bass extra point is GOOD, Center-69-R.Ferguson, Holder-3-M.Haack.; Kansas City Chiefs connected on a field goal from the BUF 36 (Q2 0:07) — (:07) 7-H.Butker 54 yard field goal is GOOD, Center-41-J.Winchester, Holder-5-T.Townsend..
The third quarter: Buffalo Bills won the period 7–0. Buffalo Bills found the end zone from the BUF 76 (Q3 7:20) — (7:20) (Shotgun) 15-P.Mahomes pass short left intended for 10-T.Hill INTERCEPTED by 23-M.Hyde at KC 26. 23-M.Hyde for 26 yards, TOUCHDOWN.; Buffalo Bills added 1 points from the KC 15 (Q3 7:12) — 2-T.Bass extra point is GOOD, Center-69-R.Ferguson, Holder-3-M.Haack..
The fourth quarter: The quarter finished even at 7–7. Kansas City Chiefs found the end zone from the BUF 1 (Q4 13:45) — (13:45) 15-P.Mahomes pass short right to 87-T.Kelce for 1 yard, TOUCHDOWN.; Kansas City Chiefs added 1 points from the BUF 15 (Q4 13:42) — 7-H.Butker extra point is GOOD, Center-41-J.Winchester, Holder-5-T.Townsend.; Buffalo Bills found the end zone from the KC 8 (Q4 5:55) — (5:55) (Shotgun) 17-J.Allen pass short left to 1-E.Sanders for 8 yards, TOUCHDOWN.; Buffalo Bills added 1 points from the KC 15 (Q4 5:51) — 2-T.Bass extra point is GOOD, Center-69-R.Ferguson, Holder-3-M.Haack..
Turning points
Plays that moved win probability the most.
- Buffalo Bills (Q2 0:02) — 7-H.Butker kicks 12 yards from KC 35 to KC 47, impetus ends at 50. 46-Jaq.Johnson (didn't try to advance) to KC 47 for no gain.
- Kansas City Chiefs (Q3) — The game has resumed.
- Buffalo Bills (Q2 4:56) — (4:56) (Shotgun) 17-J.Allen pass deep middle to 14-S.Diggs to KC 11 for 61 yards (49-D.Sorensen).
- Kansas City Chiefs (Q1 4:36) — 2-T.Bass kicks 68 yards from BUF 35 to KC -3. 13-B.Pringle to KC 28 for 31 yards (33-S.Neal). FUMBLES (33-S.Neal), RECOVERED by BUF-9-A.Smith at KC 34. Penalty on KC-44-D.O'Daniel, Offensive Holding,
- Buffalo Bills (Q2 8:34) — (8:34) 17-J.Allen pass short middle to 20-Z.Moss to KC 35 for 24 yards (38-L.Sneed).
Impact plays
Highest EPA snaps that flipped field position.
- Kansas City Chiefs (Q3 7:20) — (7:20) (Shotgun) 15-P.Mahomes pass short left intended for 10-T.Hill INTERCEPTED by 23-M.Hyde at KC 26. 23-M.Hyde for 26 yards, TOUCHDOWN.
- Kansas City Chiefs (Q3 2:58) — (2:58) (Shotgun) 15-P.Mahomes pass short right intended for 17-M.Hardman INTERCEPTED by 50-G.Rousseau at BUF 14. 50-G.Rousseau to BUF 17 for 3 yards (67-L.Niang).
- Kansas City Chiefs (Q4 3:37) — (3:37) (No Huddle, Shotgun) 15-P.Mahomes FUMBLES (Aborted) at BUF 20, touched at BUF 22, RECOVERED by BUF-27-T.White at BUF 35.
- Buffalo Bills (Q2 4:56) — (4:56) (Shotgun) 17-J.Allen pass deep middle to 14-S.Diggs to KC 11 for 61 yards (49-D.Sorensen).
Every scoring play
Chronological scoring with play-by-play context.
Kansas City Chiefs FG (+3) — Q1 8:35 · BUF 19 · Score 0-3
(8:35) 7-H.Butker 38 yard field goal is GOOD, Center-41-J.Winchester, Holder-5-T.Townsend.
Buffalo Bills TD (+6) — Q1 4:41 · KC 9 · Score 6-3
(4:41) (Shotgun) 17-J.Allen right guard for 9 yards, TOUCHDOWN.
Buffalo Bills XP (+1) — Q1 4:36 · KC 15 · Score 7-3
2-T.Bass extra point is GOOD, Center-69-R.Ferguson, Holder-3-M.Haack.
Kansas City Chiefs TD (+6) — Q2 10:06 · BUF 5 · Score 7-9
(10:06) 15-P.Mahomes pass short right to 13-B.Pringle for 5 yards, TOUCHDOWN.
Kansas City Chiefs XP (+1) — Q2 10:00 · BUF 15 · Score 7-10
7-H.Butker extra point is GOOD, Center-41-J.Winchester, Holder-5-T.Townsend.
Buffalo Bills TD (+6) — Q2 7:51 · KC 35 · Score 13-10
(7:51) (Shotgun) 17-J.Allen pass deep left to 1-E.Sanders for 35 yards, TOUCHDOWN.
Buffalo Bills XP (+1) — Q2 7:45 · KC 15 · Score 14-10
2-T.Bass extra point is GOOD, Center-69-R.Ferguson, Holder-3-M.Haack.
Buffalo Bills FG (+3) — Q2 3:16 · KC 12 · Score 17-10
(3:16) 2-T.Bass 30 yard field goal is GOOD, Center-69-R.Ferguson, Holder-3-M.Haack.
Buffalo Bills TD (+6) — Q2 1:26 · KC 53 · Score 23-10
(1:26) (No Huddle, Shotgun) 17-J.Allen pass deep right to 88-D.Knox for 53 yards, TOUCHDOWN.
Buffalo Bills XP (+1) — Q2 1:16 · KC 15 · Score 24-10
2-T.Bass extra point is GOOD, Center-69-R.Ferguson, Holder-3-M.Haack.
Kansas City Chiefs FG (+3) — Q2 0:07 · BUF 36 · Score 24-13
(:07) 7-H.Butker 54 yard field goal is GOOD, Center-41-J.Winchester, Holder-5-T.Townsend.
Buffalo Bills TD (+6) — Q3 7:20 · BUF 76 · Score 30-13
(7:20) (Shotgun) 15-P.Mahomes pass short left intended for 10-T.Hill INTERCEPTED by 23-M.Hyde at KC 26. 23-M.Hyde for 26 yards, TOUCHDOWN.
Buffalo Bills XP (+1) — Q3 7:12 · KC 15 · Score 31-13
2-T.Bass extra point is GOOD, Center-69-R.Ferguson, Holder-3-M.Haack.
Kansas City Chiefs TD (+6) — Q4 13:45 · BUF 1 · Score 31-19
(13:45) 15-P.Mahomes pass short right to 87-T.Kelce for 1 yard, TOUCHDOWN.
Kansas City Chiefs XP (+1) — Q4 13:42 · BUF 15 · Score 31-20
7-H.Butker extra point is GOOD, Center-41-J.Winchester, Holder-5-T.Townsend.
Buffalo Bills TD (+6) — Q4 5:55 · KC 8 · Score 37-20
(5:55) (Shotgun) 17-J.Allen pass short left to 1-E.Sanders for 8 yards, TOUCHDOWN.
Buffalo Bills XP (+1) — Q4 5:51 · KC 15 · Score 38-20
2-T.Bass extra point is GOOD, Center-69-R.Ferguson, Holder-3-M.Haack.
Key takeaways
What to remember for fantasy research and follow-up box score digging.
- Buffalo Bills earned the result — use the box score for snap-level context.
- Jonathan Allen (Buffalo Bills) led total EPA — start here for highlight and prop research.
- Patrick Mahomes (KC) finished below expected efficiency despite volume.
- Jonathan Allen (BUF) finished above expected through the air (positive CPOE).
Frequently asked questions
Who won Buffalo Bills vs Kansas City Chiefs on 2021-10-10?
The Buffalo Bills beat the Kansas City Chiefs 38-20 in Week 5, 2021.
What was the score by quarter in Buffalo Bills vs Kansas City Chiefs?
Q1: Buffalo Bills 7, Kansas City Chiefs 3; Q2: Buffalo Bills 17, Kansas City Chiefs 10; Q3: Buffalo Bills 7, Kansas City Chiefs 0; Q4: Buffalo Bills 7, Kansas City Chiefs 7; Final: Buffalo Bills 38, Kansas City Chiefs 20.
Who scored touchdowns and field goals in Buffalo Bills vs Kansas City Chiefs?
Buffalo Bills touchdown — J. Allen (Q1 4:41) Kansas City Chiefs touchdown — B. Pringle (P. Mahomes pass) (Q2 10:06) Buffalo Bills touchdown — E. Sanders (J. Allen pass) (Q2 7:51) Buffalo Bills touchdown — D. Knox (J. Allen pass) (Q2 1:26) Buffalo Bills touchdown — M. Hyde (Q3 7:20) Kansas City Chiefs touchdown — T. Kelce (P. Mahomes pass) (Q4 13:45) Buffalo Bills touchdown — E. Sanders (J. Allen pass) (Q4 5:55) Kansas City Chiefs field goal — H. Butker (Q1 8:35, 3 pts) Buffalo Bills field goal — T. Bass (Q2 3:16, 3 pts) Kansas City Chiefs field goal — H. Butker (Q2 0:07, 3 pts) Extra points followed each touchdown unless noted in the play-by-play.
How did the quarterbacks play in Buffalo Bills vs Kansas City Chiefs?
Patrick Mahomes (Kansas City Chiefs), 47.1% completion, -3.6% CPOE, +0.06 EPA per dropback, +4.29 total passing EPA. Jonathan Allen (Buffalo Bills), 46.9% completion, +3.5% CPOE, +0.60 EPA per dropback, +19.27 total passing EPA.
Who was FantasyHQ's player of the game in Buffalo Bills vs Kansas City Chiefs?
Jonathan Allen (Buffalo Bills) was FantasyHQ's Game MVP with +19.27 total EPA on Passing plays. across 32 snaps. Their top snap (+5.03 EPA): (4:56) (Shotgun) 17-J.Allen pass deep middle to 14-S.Diggs to KC 11 for 61 yards (49-D.Sorensen)..
Season records after this game
Buffalo Bills
Entered 3-1 Now 4-1 W
Kansas City Chiefs
Entered 2-2 Now 2-3 L