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
- SF offense: +0.162 EPA/play over its last 8 games (2nd in the league)
- QB edge to SF: Kyler Murray (ARI) -0.078 vs Brock Purdy (SF) +0.356 EPA/dropback
- ARI offense: -0.194 EPA/play over its last 8 games (31st in the league)
- ARI on 7 more days rest than SF
- ARI defense: +0.058 EPA/play allowed over its last 8 games (29th 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 15
SF
ARI
Pulled fresh for 2023 week 15 specifically, not a cached snapshot — this changes every week as new reports come in.
Actual Result
Prediction missed by 7 pts on margin, 27 pts on total.
Scoring Summary
- Q1 10:45 TD ARI (10:45) (Shotgun) 6-J.Conner up the middle for 2 yards, TOUCHDOWN. SF 0 – ARI 6
- Q1 06:38 TD SF (6:38) 13-B.Purdy pass short left to 19-D.Samuel for 12 yards, TOUCHDOWN. SF 6 – ARI 7
- Q1 04:33 TD SF (4:33) (Shotgun) 1-K.Murray pass short middle intended for 85-T.McBride INTERCEPTED by 7-C.Ward at SF 34. 7-C.Ward for 66 yards, TOUCHDOWN. SF 13 – ARI 7
- Q2 14:15 FG ARI (14:15) 5-M.Prater 58 yard field goal is GOOD, Center-46-A.Brewer, Holder-12-B.Gillikin. SF 14 – ARI 10
- Q2 06:18 FG ARI (6:18) 5-M.Prater 43 yard field goal is GOOD, Center-46-A.Brewer, Holder-12-B.Gillikin. SF 14 – ARI 13
- Q2 01:18 TD SF (1:18) (Shotgun) 13-B.Purdy pass short middle to 23-C.McCaffrey for 5 yards, TOUCHDOWN. SF 20 – ARI 13
- Q3 13:28 TD SF (13:28) 13-B.Purdy pass deep left to 23-C.McCaffrey for 41 yards, TOUCHDOWN. SF 27 – ARI 13
- Q3 04:23 FG ARI (4:23) 5-M.Prater 28 yard field goal is GOOD, Center-46-A.Brewer, Holder-12-B.Gillikin. SF 28 – ARI 16
- Q3 01:11 TD SF (1:11) (Shotgun) 23-C.McCaffrey up the middle for 1 yard, TOUCHDOWN. SF 34 – ARI 16
- Q4 11:39 TD ARI (11:39) (No Huddle, Shotgun) 31-E.Demercado left guard for 49 yards, TOUCHDOWN. SF 35 – ARI 22
- Q4 07:14 TD SF (7:14) (Shotgun) 13-B.Purdy pass deep left to 19-D.Samuel for 19 yards, TOUCHDOWN. SF 41 – ARI 22
- Q4 03:12 FG SF (3:12) 4-J.Moody 43 yard field goal is GOOD, Center-46-T.Pepper, Holder-18-M.Wishnowsky. SF 45 – ARI 22
- Q4 00:53 TD ARI (:53) (No Huddle, Shotgun) 1-K.Murray pass short left to 84-E.Higgins for 8 yards, TOUCHDOWN. SF 45 – ARI 28
Fourth-Down Decisions
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Q1 ARI 4th & 3 at the 42Chose GO ✓ matched the modelp(convert) 47% p(FG) 51%
(4:33) (Shotgun) 1-K.Murray pass short middle intended for 85-T.McBride INTERCEPTED by 7-C.Ward at SF 34. 7-C.Ward for 66 yards, TOUCHDOWN.
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Q2 ARI 4th & 10 at the 40Chose KICK ✓ matched the modelp(convert) 28% p(FG) 56%
(14:15) 5-M.Prater 58 yard field goal is GOOD, Center-46-A.Brewer, Holder-12-B.Gillikin.
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Q2 SF 4th & 6 at the 71Chose PUNT ✓ matched the modelp(convert) 48%
(12:40) 18-M.Wishnowsky punts 40 yards to ARI 31, Center-46-T.Pepper. 83-G.Dortch to ARI 31 for no gain (26-I.Oliver).
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Q2 ARI 4th & 1 at the 45Chose GO ✓ matched the modelp(convert) 66% p(FG) 43%
(10:15) 6-J.Conner up the middle to SF 43 for 2 yards (5-R.Gregory).
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Q2 ARI 4th & 4 at the 25Chose KICK ✓ matched the modelp(convert) 40% p(FG) 86%
(6:18) 5-M.Prater 43 yard field goal is GOOD, Center-46-A.Brewer, Holder-12-B.Gillikin.
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Q2 ARI 4th & 5 at the 70Chose PUNT ✓ matched the modelp(convert) 42%
(1:03) 12-B.Gillikin punts 62 yards to SF 8, Center-46-A.Brewer. 10-R.Bell to SF 12 for 4 yards (83-G.Dortch). FUMBLES (83-G.Dortch), RECOVERED by ARI-32-J.Blount at SF 12. 32-J.Blount for 12 yards, TOUCHDOWN. The Replay Official reviewed the runner was not down by contact ruling, and the play was REVERSED. 12-B.Gillikin punts 62 yards to SF 8, Center-46-A.Brewer. 10-R.Bell to SF 12 for 4 yards (83-G.Dortch).
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Q3 ARI 4th & 16 at the 81Chose PUNT ✓ matched the modelp(convert) 26%
(11:46) 12-B.Gillikin punts 50 yards to SF 31, Center-46-A.Brewer, fair catch by 10-R.Bell.
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Q3 SF 4th & 7 at the 66Chose PUNT ✓ matched the modelp(convert) 44%
(10:49) 18-M.Wishnowsky punts 56 yards to ARI 10, Center-46-T.Pepper, downed by SF-53-D.Winters.
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Q3 ARI 4th & 9 at the 9Chose KICK ✓ matched the modelp(convert) 26% p(FG) 97%
(4:23) 5-M.Prater 28 yard field goal is GOOD, Center-46-A.Brewer, Holder-12-B.Gillikin.
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Q4 ARI 4th & 3 at the 54Chose GO ✓ matched the modelp(convert) 49%
(12:17) (Shotgun) 1-K.Murray pass short right to 83-G.Dortch to SF 49 for 5 yards (57-D.Greenlaw).
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Q4 ARI 4th & 6 at the 71Chose GO Model wanted PUNT instead — cost +0.59 EPp(convert) 40%
(6:34) (Shotgun) 1-K.Murray pass short middle to 85-T.McBride to ARI 36 for 7 yards (31-T.Gipson). Penalty on SF-92-C.Young, Defensive Offside, declined.
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Q4 SF 4th & 7 at the 25 late-gameChose KICK ✓ matched the modelp(convert) 39% p(FG) 86%
(3:12) 4-J.Moody 43 yard field goal is GOOD, Center-46-T.Pepper, Holder-18-M.Wishnowsky.