Win Probability
Confidence: <strong>strong edge</strong> Bands are honesty-checked against held-out seasons, not a feeling about this game — see the <a href="/track-record">full track record</a>.
Key Insights
- KC offense: +0.196 EPA/play over its last 8 games (2nd in the league)
- PIT offense: -0.105 EPA/play over its last 8 games (26th in the league)
- QB edge to KC: Patrick Mahomes (KC) +0.162 vs Ben Roethlisberger (PIT) -0.059 EPA/dropback
- KC defense: -0.066 EPA/play allowed over its last 8 games (9th in the league)
Predicted Final Score
Typical error on unseen games: ±10.2 pts on margin, ±10.7 pts on total (held-out 2025). Treat this as a range, not a prediction to the point — see the <a href="/track-record">full track record</a>.
Injury Report — Week 19
PIT
KC
Pulled fresh for 2021 week 19 specifically, not a cached snapshot — this changes every week as new reports come in.
Actual Result
Prediction missed by 10 pts on margin, 16 pts on total.
Scoring Summary
- Q2 10:51 TD PIT (10:51) (Shotgun) Direct snap to 17-M.Hardman. 17-M.Hardman FUMBLES (Aborted) at KC 28, recovered by KC-31-Da.Williams at KC 29. 31-Da.Williams to KC 28 for -1 yards (97-C.Heyward; 93-J.Schobert). FUMBLES (97-C.Heyward), RECOVERED by PIT-90-T.Watt at KC 26. 90-T.Watt for 26 yards, TOUCHDOWN. PIT 6 – KC 0
- Q2 05:50 TD KC (5:50) (Shotgun) 15-P.Mahomes pass short middle to 1-J.McKinnon for 4 yards, TOUCHDOWN. PIT 7 – KC 6
- Q2 02:00 TD KC (2:00) (Shotgun) 15-P.Mahomes pass short right to 13-B.Pringle for 12 yards, TOUCHDOWN. PENALTY on PIT-56-A.Highsmith, Roughing the Passer, 15 yards, enforced between downs. PIT 7 – KC 13
- Q2 00:22 TD KC (:22) (Shotgun) 15-P.Mahomes pass deep right to 87-T.Kelce for 48 yards, TOUCHDOWN. PIT 7 – KC 20
- Q3 10:18 TD KC (10:18) 73-N.Allegretti reported in as eligible. 15-P.Mahomes pass short right to 73-N.Allegretti for 1 yard, TOUCHDOWN. PIT 7 – KC 27
- Q3 09:20 TD KC (9:20) (Shotgun) 15-P.Mahomes pass deep right to 10-T.Hill for 31 yards, TOUCHDOWN. PIT 7 – KC 34
- Q3 04:15 TD PIT (4:15) (No Huddle, Shotgun) 7-B.Roethlisberger pass short right to 18-D.Johnson for 13 yards, TOUCHDOWN. PIT 13 – KC 35
- Q4 14:18 TD KC (14:18) (Shotgun) Direct snap to 87-T.Kelce. 87-T.Kelce pass short middle to 13-B.Pringle for 2 yards, TOUCHDOWN. PIT 14 – KC 41
- Q4 07:41 TD PIT (7:41) (No Huddle, Shotgun) 7-B.Roethlisberger pass short left to 13-J.Washington for 15 yards, TOUCHDOWN. PIT 20 – KC 42
Fourth-Down Decisions
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Q1 PIT 4th & 10 at the 75Chose PUNT ✓ matched the modelp(convert) 33%
(13:32) 6-P.Harvin punts 54 yards to KC 21, Center-46-C.Kuntz. 17-M.Hardman to KC 42 for 21 yards (28-M.Killebrew; 27-M.Allen).
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Q1 KC 4th & 8 at the 56Chose PUNT ✓ matched the modelp(convert) 40%
(12:07) 5-T.Townsend punts 41 yards to PIT 15, Center-41-J.Winchester. 14-R.McCloud to PIT 23 for 8 yards (54-N.Bolton).
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Q1 PIT 4th & 8 at the 75Chose PUNT ✓ matched the modelp(convert) 37%
(11:05) 6-P.Harvin punts 56 yards to KC 19, Center-46-C.Kuntz. 17-M.Hardman to KC 20 for 1 yard (48-D.Tuszka; 35-A.Maulet).
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Q1 KC 4th & 1 at the 51Chose PUNT Model wanted GO instead — cost +1.65 EPp(convert) 73% p(FG) 25%
(8:53) 5-T.Townsend punts 33 yards to PIT 18, Center-41-J.Winchester, fair catch by 14-R.McCloud.
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Q1 PIT 4th & 13 at the 85Chose PUNT ✓ matched the modelp(convert) 30%
(6:46) 6-P.Harvin punts 55 yards to KC 30, Center-46-C.Kuntz. 17-M.Hardman pushed ob at PIT 22 for 48 yards (44-D.Watt).
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Q1 PIT 4th & 13 at the 62Chose PUNT ✓ matched the modelp(convert) 28%
(4:12) 6-P.Harvin punts 42 yards to KC 20, Center-46-C.Kuntz, downed by PIT-46-C.Kuntz.
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Q1 KC 4th & 8 at the 51Chose PUNT ✓ matched the modelp(convert) 40% p(FG) 25%
(:07) 5-T.Townsend punts 32 yards to PIT 19, Center-41-J.Winchester, fair catch by 14-R.McCloud.
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Q2 PIT 4th & 2 at the 61Chose PUNT Model wanted GO instead — cost +0.74 EPp(convert) 58%
(11:22) 6-P.Harvin punts 47 yards to KC 14, Center-46-C.Kuntz, out of bounds.
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Q2 PIT 4th & 2 at the 67Chose PUNT Model wanted GO instead — cost +0.45 EPp(convert) 59%
(4:46) 6-P.Harvin punts 41 yards to KC 26, Center-46-C.Kuntz, fair catch by 21-M.Hughes.
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Q2 PIT 4th & 5 at the 81Chose PUNT ✓ matched the modelp(convert) 45%
(1:06) 6-P.Harvin punts 53 yards to KC 28, Center-46-C.Kuntz. 10-T.Hill to KC 20 for -8 yards (28-M.Killebrew).
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Q4 PIT 4th & 1 at the 66Chose GO ✓ matched the modelp(convert) 69%
(12:17) 24-B.Snell right end to PIT 42 for 8 yards (49-D.Sorensen, 22-J.Thornhill).
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Q4 PIT 4th & 2 at the 20Chose GO ✓ matched the modelp(convert) 53% p(FG) 91%
(8:10) (Shotgun) 7-B.Roethlisberger pass short right to 18-D.Johnson to KC 15 for 5 yards (54-N.Bolton).