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
- GB offense: +0.224 EPA/play over its last 8 games (3rd in the league)
- QB edge to GB: Colin Kaepernick (SF) -0.107 vs Aaron Rodgers (GB) +0.420 EPA/dropback
- SF offense: -0.133 EPA/play over its last 8 games (28th in the league)
- SF defense: +0.144 EPA/play allowed over its last 8 games (28th 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 4
GB
SF
Pulled fresh for 2015 week 4 specifically, not a cached snapshot — this changes every week as new reports come in.
Actual Result
Prediction missed by 4 pts on margin, 28 pts on total.
Scoring Summary
- Q1 09:12 TD GB (9:12) (Shotgun) 12-A.Rodgers pass short left to 82-R.Rodgers for 9 yards, TOUCHDOWN. GB 6 – SF 0
- Q2 04:28 FG SF (4:28) 9-P.Dawson 33 yard field goal is GOOD, Center-86-K.Nelson, Holder-5-B.Pinion. GB 7 – SF 3
- Q3 07:14 TD GB (7:14) 73-J.Tretter reported in as eligible. 30-J.Kuhn up the middle for 1 yard, TOUCHDOWN. GB 13 – SF 3
- Q3 00:49 FG GB (:49) 2-M.Crosby 31 yard field goal is GOOD, Center-61-B.Goode, Holder-8-T.Masthay. GB 17 – SF 3
Fourth-Down Decisions
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Q1 SF 4th & 2 at the 60Chose PUNT Model wanted GO instead — cost +0.37 EPp(convert) 57%
(6:51) 5-B.Pinion punts 45 yards to GB 15, Center-86-K.Nelson, out of bounds.
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Q1 GB 4th & 9 at the 63Chose PUNT ✓ matched the modelp(convert) 40%
(2:43) 8-T.Masthay punts 48 yards to SF 15, Center-61-B.Goode. 38-J.Hayne pushed ob at SF 21 for 6 yards (22-A.Ripkowski).
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Q1 SF 4th & 9 at the 66Chose PUNT ✓ matched the modelp(convert) 33%
(:39) 5-B.Pinion punts 21 yards to GB 45, Center-86-K.Nelson, out of bounds.
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Q2 GB 4th & 2 at the 47Chose PUNT Model wanted GO instead — cost +1.25 EPp(convert) 63% p(FG) 32%
(14:25) 8-T.Masthay punts 37 yards to SF 10, Center-61-B.Goode, fair catch by 38-J.Hayne.
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Q2 SF 4th & 1 at the 81Chose PUNT Model wanted GO instead — cost +1.07 EPp(convert) 71%
(12:27) 5-B.Pinion punts 59 yards to GB 22, Center-86-K.Nelson. 33-M.Hyde to GB 22 for no gain (31-L.McCray; 86-K.Nelson). Penalty on GB-36-L.Gunter, Illegal Block Above the Waist, declined. PENALTY on GB-28-S.Richardson, Offensive Holding, 10 yards, enforced at GB 22.
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Q2 GB 4th & 1 at the 79Chose PUNT Model wanted GO instead — cost +1.70 EPp(convert) 77%
(10:59) 8-T.Masthay punts 41 yards to SF 38, Center-61-B.Goode. 38-J.Hayne MUFFS catch, recovered by SF-36-D.Johnson at SF 28. 36-D.Johnson to SF 28 for no gain (83-J.Janis). T.Masthay credited with 51-yd punt.
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Q2 SF 4th & 15 at the 15Chose KICK ✓ matched the modelp(convert) 21% p(FG) 93%
(4:28) 9-P.Dawson 33 yard field goal is GOOD, Center-86-K.Nelson, Holder-5-B.Pinion.
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Q2 GB 4th & 1 at the 42Chose GO ✓ matched the modelp(convert) 73% p(FG) 45%
(1:57) (Shotgun) 27-E.Lacy left tackle to SF 32 for 10 yards (57-M.Wilhoite).
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Q2 GB 4th & 1 at the 23Chose GO ✓ matched the modelp(convert) 71% p(FG) 86%
(:40) (Shotgun) 27-E.Lacy left guard to SF 17 for 6 yards (90-G.Dorsey).
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Q2 GB 4th & 19 at the 26Chose KICK ✓ matched the modelp(convert) 25% p(FG) 82%
(:02) 2-M.Crosby 44 yard field goal is No Good, Wide Left, Center-61-B.Goode, Holder-8-T.Masthay.
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Q3 SF 4th & 11 at the 66Chose PUNT ✓ matched the modelp(convert) 30%
(11:51) 5-B.Pinion punts 36 yards to GB 30, Center-86-K.Nelson. 33-M.Hyde to GB 39 for 9 yards (50-N.Bellore).
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Q3 SF 4th & 12 at the 82Chose PUNT ✓ matched the modelp(convert) 31%
(5:32) 5-B.Pinion punts 30 yards to SF 48, Center-86-K.Nelson, out of bounds.
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Q3 GB 4th & 7 at the 13Chose KICK ✓ matched the modelp(convert) 38% p(FG) 95%
(:49) 2-M.Crosby 31 yard field goal is GOOD, Center-61-B.Goode, Holder-8-T.Masthay.
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Q4 SF 4th & 6 at the 74Chose PUNT ✓ matched the modelp(convert) 41%
(13:22) 5-B.Pinion punts 56 yards to GB 18, Center-86-K.Nelson. 33-M.Hyde pushed ob at GB 23 for 5 yards (50-N.Bellore).
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Q4 GB 4th & 17 at the 60Chose PUNT ✓ matched the modelp(convert) 30%
(9:31) 8-T.Masthay punts 27 yards to SF 33, Center-61-B.Goode, out of bounds.
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Q4 GB 4th & 10 at the 76Chose PUNT ✓ matched the modelp(convert) 40%
(6:09) 8-T.Masthay punts 49 yards to SF 27, Center-61-B.Goode. 38-J.Hayne to SF 33 for 6 yards (32-C.Banjo).
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Q4 SF 4th & 5 at the 15 late-gameChose GO Model wanted KICK instead — cost +0.48 EPp(convert) 36% p(FG) 93%
(4:29) (Shotgun) 7-C.Kaepernick sacked at GB 23 for -8 yards (96-M.Neal).
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Q4 GB 4th & 6 at the 51 late-gameChose PUNT ✓ matched the modelp(convert) 46% p(FG) 24%
(:19) 8-T.Masthay punts 23 yards to SF 28, Center-61-B.Goode, out of bounds.