Win Probability
Confidence: <strong>clear 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
- QB edge to KC: Patrick Mahomes (KC) +0.124 vs Ben Roethlisberger (PIT) -0.039 EPA/dropback
- KC offense: +0.060 EPA/play over its last 8 games (7th in the league)
- KC defense: -0.077 EPA/play allowed over its last 8 games (6th in the league)
- PIT offense: -0.038 EPA/play over its last 8 games (20th in the league)
- Wind 22 mph
- KC on 3 more days rest than PIT
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 16
PIT
KC
Pulled fresh for 2021 week 16 specifically, not a cached snapshot — this changes every week as new reports come in.
Actual Result
Prediction missed by 19 pts on margin, 3 pts on total.
Scoring Summary
- Q1 04:12 TD KC (4:12) 25-C.Edwards-Helaire left end for 1 yard, TOUCHDOWN. PIT 0 – KC 6
- Q1 01:14 TD KC (1:14) 15-P.Mahomes pass short left to 13-B.Pringle for 5 yards, TOUCHDOWN. PIT 0 – KC 13
- Q2 08:50 FG KC (8:50) 9-E.Fry 44 yard field goal is GOOD, Center-41-J.Winchester, Holder-8-J.Townsend. PIT 0 – KC 17
- Q2 02:19 TD KC (2:19) (Shotgun) 15-P.Mahomes pass short left to 17-M.Hardman for 8 yards, TOUCHDOWN. PIT 0 – KC 23
- Q3 09:00 TD KC (9:00) (Shotgun) 15-P.Mahomes pass short left to 13-B.Pringle for 16 yards, TOUCHDOWN. PIT 0 – KC 29
- Q3 03:37 FG PIT (3:37) 9-C.Boswell 34 yard field goal is GOOD, Center-46-C.Kuntz, Holder-10-C.Waitman. PIT 3 – KC 30
- Q4 12:01 FG KC (12:01) 9-E.Fry 34 yard field goal is GOOD, Center-41-J.Winchester, Holder-8-J.Townsend. PIT 3 – KC 33
- Q4 09:46 FG KC (9:46) 9-E.Fry 30 yard field goal is GOOD, Center-41-J.Winchester, Holder-8-J.Townsend. PIT 3 – KC 36
- Q4 02:59 TD PIT (2:59) (Shotgun) 7-B.Roethlisberger pass short left to 18-D.Johnson for 15 yards, TOUCHDOWN. PIT 9 – KC 36
Fourth-Down Decisions
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Q1 PIT 4th & 18 at the 67Chose PUNT ✓ matched the modelp(convert) 25%
(12:29) 10-C.Waitman punts 58 yards to KC 9, Center-46-C.Kuntz. 17-M.Hardman pushed ob at KC 27 for 18 yards (48-D.Tuszka).
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Q1 KC 4th & 1 at the 3Chose GO ✓ matched the modelp(convert) 66% p(FG) 98%
(5:26) 45-M.Burton up the middle to PIT 1 for 2 yards (34-Te.Edmunds, 39-M.Fitzpatrick).
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Q2 PIT 4th & 4 at the 63Chose PUNT ✓ matched the modelp(convert) 48%
(13:53) 10-C.Waitman punts 63 yards to end zone, Center-46-C.Kuntz, Touchback.
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Q2 KC 4th & 5 at the 26Chose KICK ✓ matched the modelp(convert) 42% p(FG) 79%
(8:50) 9-E.Fry 44 yard field goal is GOOD, Center-41-J.Winchester, Holder-8-J.Townsend.
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Q2 PIT 4th & 10 at the 18Chose KICK ✓ matched the modelp(convert) 28% p(FG) 91%
(5:08) 9-C.Boswell 36 yard field goal is No Good, Wide Left, Center-46-C.Kuntz, Holder-10-C.Waitman.
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Q2 PIT 4th & 1 at the 66Chose GO ✓ matched the modelp(convert) 70%
(1:28) 22-N.Harris right end pushed ob at PIT 31 for -3 yards (35-C.Ward).
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Q2 KC 4th & 11 at the 21Chose KICK ✓ matched the modelp(convert) 29% p(FG) 87%
(:22) 9-E.Fry 39 yard field goal is No Good, Wide Left, Center-41-J.Winchester, Holder-8-J.Townsend.
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Q3 KC 4th & 6 at the 71Chose PUNT ✓ matched the modelp(convert) 45%
(13:33) 8-J.Townsend punts 41 yards to PIT 30, Center-41-J.Winchester, out of bounds.
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Q3 PIT 4th & 15 at the 16Chose KICK ✓ matched the modelp(convert) 22% p(FG) 92%
(3:37) 9-C.Boswell 34 yard field goal is GOOD, Center-46-C.Kuntz, Holder-10-C.Waitman.
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Q4 KC 4th & 13 at the 16Chose KICK ✓ matched the modelp(convert) 27% p(FG) 92%
(12:01) 9-E.Fry 34 yard field goal is GOOD, Center-41-J.Winchester, Holder-8-J.Townsend.
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Q4 KC 4th & 12 at the 12Chose KICK ✓ matched the modelp(convert) 27% p(FG) 95%
(9:46) 9-E.Fry 30 yard field goal is GOOD, Center-41-J.Winchester, Holder-8-J.Townsend.
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Q4 PIT 4th & 4 at the 15 late-gameChose GO ✓ matched the modelp(convert) 41% p(FG) 93%
(2:59) (Shotgun) 7-B.Roethlisberger pass short left to 18-D.Johnson for 15 yards, TOUCHDOWN.
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Q4 KC 4th & 4 at the 69 late-gameChose PUNT ✓ matched the modelp(convert) 52%
(2:28) 8-J.Townsend punts 50 yards to PIT 19, Center-41-J.Winchester. 14-R.McCloud to PIT 39 for 20 yards (31-Da.Williams).
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Q4 PIT 4th & 2 at the 25 late-gameChose GO Model wanted KICK instead — cost +1.13 EPp(convert) 54% p(FG) 81%
(:33) (No Huddle, Shotgun) 2-M.Rudolph pass short left to 81-Z.Gentry to KC 19 for 6 yards (44-D.O'Daniel).