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
- ARI offense: -0.205 EPA/play over its last 8 games (31st in the league)
- QB edge to ARI: C.J. Beathard (SF) -0.153 vs Josh Rosen (ARI) +0.159 EPA/dropback
- SF offense: +0.098 EPA/play over its last 8 games (5th in the league)
- ARI defense: -0.128 EPA/play allowed over its last 8 games (3rd 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 5
ARI
SF
Pulled fresh for 2018 week 5 specifically, not a cached snapshot — this changes every week as new reports come in.
Actual Result
Prediction missed by 15 pts on margin, 7 pts on total.
Scoring Summary
- Q1 09:52 TD SF (9:52) 3-C.Beathard pass short middle to 22-M.Breida for 5 yards, TOUCHDOWN. Caught at ARI 6. 6-YAC ARI 0 – SF 6
- Q1 09:49 TD ARI (9:49) 3-J.Rosen pass deep middle to 13-C.Kirk for 75 yards, TOUCHDOWN. Caught at SF 22. 22-YAC ARI 6 – SF 6
- Q2 11:05 TD ARI (11:05) (Shotgun) 31-D.Johnson left guard for 2 yards, TOUCHDOWN. ARI 13 – SF 6
- Q4 06:59 TD SF (6:59) (Shotgun) 3-C.Beathard pass short right to 81-T.Taylor for 1 yard, TOUCHDOWN. ARI 14 – SF 12
- Q4 04:41 TD ARI (4:41) (Shotgun) 3-C.Beathard sacked at SF 33 for -8 yards (43-H.Reddick). FUMBLES (43-H.Reddick), RECOVERED by ARI-57-J.Bynes at SF 23. 57-J.Bynes for 23 yards, TOUCHDOWN. Total sack loss is 18-yds. ARI 20 – SF 12
- Q4 03:27 TD ARI (3:27) 31-D.Johnson up the middle for 6 yards, TOUCHDOWN. ARI 27 – SF 12
- Q4 01:29 TD SF (1:29) 3-C.Beathard up the middle for 1 yard, TOUCHDOWN. ARI 28 – SF 18
Fourth-Down Decisions
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Q1 ARI 4th & 7 at the 40Chose PUNT ✓ matched the modelp(convert) 33% p(FG) 45%
(7:31) 2-A.Lee punts 35 yards to SF 5, Center-46-A.Brewer, downed by ARI-92-D.Gardeck.
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Q1 ARI 4th & 4 at the 45Chose PUNT ✓ matched the modelp(convert) 43% p(FG) 31%
(3:05) 2-A.Lee punts 35 yards to SF 10, Center-46-A.Brewer, out of bounds.
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Q2 SF 4th & 9 at the 74Chose PUNT ✓ matched the modelp(convert) 37%
(9:39) 5-B.Pinion punts 46 yards to ARI 28, Center-86-K.Nelson, fair catch by 13-C.Kirk.
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Q2 ARI 4th & 9 at the 71Chose PUNT ✓ matched the modelp(convert) 33%
(7:43) 2-A.Lee punts 50 yards to SF 21, Center-46-A.Brewer, fair catch by 81-T.Taylor. PENALTY on ARI-30-R.Ford, Fair Catch Interference, 15 yards, enforced at SF 21.
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Q2 SF 4th & 17 at the 56Chose PUNT ✓ matched the modelp(convert) 26%
(5:34) 5-B.Pinion punts 50 yards to ARI 6, Center-86-K.Nelson, downed by SF-31-R.Mostert.
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Q2 ARI 4th & 3 at the 87Chose PUNT ✓ matched the modelp(convert) 53%
(3:55) 2-A.Lee punts 51 yards to SF 36, Center-46-A.Brewer. 81-T.Taylor to SF 36 for no gain (30-R.Ford).
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Q2 SF 4th & 7 at the 41Chose PUNT Model wanted GO instead — cost +0.35 EPp(convert) 37% p(FG) 42%
(:50) 5-B.Pinion punts 41 yards to end zone, Center-86-K.Nelson, Touchback.
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Q3 ARI 4th & 3 at the 68Chose PUNT ✓ matched the modelp(convert) 51%
(13:15) 2-A.Lee punts 52 yards to SF 16, Center-46-A.Brewer. 81-T.Taylor to SF 19 for 3 yards (47-E.Turner).
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Q3 ARI 4th & 9 at the 39Chose PUNT ✓ matched the modelp(convert) 29% p(FG) 47%
(6:29) 2-A.Lee punts 29 yards to SF 10, Center-46-A.Brewer. 81-T.Taylor MUFFS catch, and recovers at SF 10. 81-T.Taylor to SF 10 for no gain (59-J.Walker).
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Q4 SF 4th & 10 at the 27Chose KICK ✓ matched the modelp(convert) 30% p(FG) 78%
(14:57) 9-R.Gould 45 yard field goal is No Good, Wide Right, Center-86-K.Nelson, Holder-5-B.Pinion.
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Q4 ARI 4th & 5 at the 42Chose PUNT Model wanted GO instead — cost +0.42 EPp(convert) 39% p(FG) 39%
(12:47) 2-A.Lee punts 25 yards to SF 17, Center-46-A.Brewer, downed by ARI-30-R.Ford.
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Q4 SF 4th & 1 at the 1Chose GO ✓ matched the modelp(convert) 64% p(FG) 98%
(6:59) (Shotgun) 3-C.Beathard pass short right to 81-T.Taylor for 1 yard, TOUCHDOWN.
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Q4 ARI 4th & 7 at the 72Chose PUNT ✓ matched the modelp(convert) 37%
(5:58) 2-A.Lee punts 40 yards to SF 32, Center-46-A.Brewer, downed by ARI-30-R.Ford.
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Q4 SF 4th & 19 at the 73 late-gameChose GO Model wanted PUNT instead — cost +1.27 EPp(convert) 26%
(4:00) (Shotgun) 3-C.Beathard pass deep middle intended for 17-V.Bolden INTERCEPTED by 23-B.Benwikere at SF 47. 23-B.Benwikere to SF 26 for 21 yards (17-V.Bolden).