FantasyHQ · Game Recap

NFL · Week 2 · September 16, 2012 · 12 min read

Detroit Lions vs. San Francisco 49ers: 2012 Week 2 Recap

49ers defeat Lions 27–19 in Week 2

Arian Smith led Fantasy Impact as 49ers prevailed in a 19–27 Week 2 finish.

Detroit Lions 19 1–1
Final 19–27
San Francisco 49ers 27 2–0 Winner
Winner
San Francisco 49ers
Final score
19–27
Halftime
Detroit Lions 6–14 San Francisco 49ers
Top passer
Matthew Stafford
FantasyHQ MVP
Arian Smith
Game date
September 16, 2012

Top fantasy performers · Lions

  • Matthew Stafford
    Matthew Stafford 19/37 · 214 YDS · 1 TD +8.2 Fantasy Impact
  • Cornelius Johnson
    Cornelius Johnson 8 REC · 94 YDS +4.2 Fantasy Impact
  • Jaheim Bell
    Jaheim Bell 2 REC · 59 YDS +3.9 Fantasy Impact

Top fantasy performers · 49ers

  • Arian Smith
    Arian Smith 20/36 · 211 YDS · 2 TD +9.8 Fantasy Impact
  • V.Davis 5 REC · 73 YDS · 2 TD +6.6 Fantasy Impact
  • M.Crabtree 6 REC · 67 YDS +5.0 Fantasy Impact

Game story

The San Francisco 49ers defeated the Detroit Lions 27–19 in Week 2 of the 2012 NFL season on 2012-09-16, a matchup that built a comfortable lead. The decisive swing (-14.8% win probability) came in the opening quarter when San Francisco 49ers swung the momentum.

In Week 2 of the 2012 NFL season on 2012-09-16, the San Francisco 49ers took care of business against the Detroit Lions, pulling away with a 27–19 final that built a comfortable lead.

The highest-scoring period was Q4 with 20 combined points — the stretch that most shaped the final margin.

M. Stafford (Detroit Lions) paced the passing game, with +8.23 total EPA, and -6.3% completion percentage over expected.

On the individual side, A. Smith (San Francisco 49ers) delivered the top overall EPA impact at +9.75 — the clearest player-of-the-game signal on the analytics sheet.

The momentum swing (-14.8% win probability) landed in the opening quarter when San Francisco 49ers changed the game: 4-J.Hanson kicks 66 yards from DET 35 to SF -1. 32-K.Hunter to SF 25 for 26 yards (59-T.Whitehead). FUMBLES (59-T.Whitehead), RECOVERED by DET-10-K.Osgood at SF 25. 10-K.Osgood to SF 25 for no gain (9

Line score

Final score and points by quarter.

Q1Q2Q3Q4T
Detroit Lions60310019
San Francisco 49ers77310027

Stars of the game

Top performers by total expected points added (EPA) across passing, rushing, and receiving.

  1. 1 A. Smith · San Francisco 49ers · Passing · +9.75 total EPA · 36 snaps · +0.27 EPA/play
  2. 2 M. Stafford · Detroit Lions · Passing · +8.23 total EPA · 37 snaps · +0.22 EPA/play
  3. 3 V. Davis · San Francisco 49ers · Receiving · +6.64 total EPA · 7 snaps · +0.95 EPA/play
  4. 4 M. Crabtree · San Francisco 49ers · Receiving · +5.04 total EPA · 7 snaps · +0.72 EPA/play
  5. 5 C. Johnson · Detroit Lions · Receiving · +4.24 total EPA · 12 snaps · +0.35 EPA/play
  6. 6 J. Bell · Detroit Lions · Receiving · +3.94 total EPA · 3 snaps · +1.31 EPA/play
  7. 7 B. Pettigrew · Detroit Lions · Receiving · +2.23 total EPA · 4 snaps · +0.56 EPA/play
  8. 8 M. Manningham · San Francisco 49ers · Rushing · +2.22 total EPA · 1 snaps · +2.22 EPA/play

Player of the game

FantasyHQ analytics player-of-the-game pick based on total EPA and signature plays.

A. Smith — SF · Passing

A. Smith posted the highest total EPA (+9.75) in the game, making the biggest overall impact on San Francisco 49ers's efficiency. Across 36 counted snaps, they averaged +0.27 EPA per play.

The signature play (-4.83 EPA) came from San Francisco 49ers: 4-J.Hanson kicks 66 yards from DET 35 to SF -1. 32-K.Hunter to SF 25 for 26 yards (59-T.Whitehead). FUMBLES (59-T.Whitehead), RECOVERED by DET-10-K.Osgood at SF 25. 10-K.Osgood to SF 25 for no gain (92-W.Tukuafu).

Who scored touchdowns and field goals

Every touchdown and field goal with the player named in official play-by-play.

Touchdowns

  • San Francisco 49ers — V. Davis (A. Smith pass) (Q1 57:29)
  • San Francisco 49ers — F. Gore (Q2 45:00)
  • San Francisco 49ers — V. Davis (A. Smith pass) (Q4 3:11)
  • Detroit Lions — B. Pettigrew (M. Stafford pass) (Q4 1:35)

Field goals

  • Detroit Lions — J. Hanson (Q1 52:51)
  • Detroit Lions — J. Hanson (Q1 51:47)
  • San Francisco 49ers — D. Akers (Q3 24:46)
  • Detroit Lions — J. Hanson (Q3 18:44)
  • San Francisco 49ers — D. Akers (Q4 14:47)
  • Detroit Lions — J. Hanson (Q4 9:21)

How it unfolded, quarter by quarter

A quarter-by-quarter recap built from live scoring plays and play descriptions.

The opening quarter: San Francisco 49ers won the period 7–6. San Francisco 49ers found the end zone from the DET 21 (Q1 57:29) — (12:29) 11-A.Smith pass deep left to 85-V.Davis for 21 yards, TOUCHDOWN.; San Francisco 49ers added 1 points from the DET 2 (Q1 57:25) — 2-D.Akers extra point is GOOD, Center-86-B.Jennings, Holder-4-A.Lee.; Detroit Lions connected on a field goal from the SF 20 (Q1 52:51) — (7:51) 4-J.Hanson 38 yard field goal is GOOD, Center-48-D.Muhlbach, Holder-2-B.Graham.; Detroit Lions connected on a field goal from the SF 23 (Q1 51:47) — (6:47) 4-J.Hanson 41 yard field goal is GOOD, Center-48-D.Muhlbach, Holder-2-B.Graham..

The second quarter: San Francisco 49ers won the period 7–0. San Francisco 49ers found the end zone from the DET 1 (Q2 45:00) — (15:00) 68-L.Davis and 92-W.Tukuafu reported in as eligible. 21-F.Gore left guard for 1 yard, TOUCHDOWN.; San Francisco 49ers added 1 points from the DET 2 (Q2 44:57) — 2-D.Akers extra point is GOOD, Center-86-B.Jennings, Holder-4-A.Lee..

The third quarter: The quarter finished even at 3–3. San Francisco 49ers connected on a field goal from the DET 18 (Q3 24:46) — (9:46) 2-D.Akers 36 yard field goal is GOOD, Center-86-B.Jennings, Holder-4-A.Lee.; Detroit Lions connected on a field goal from the SF 22 (Q3 18:44) — (3:44) 4-J.Hanson 40 yard field goal is GOOD, Center-48-D.Muhlbach, Holder-2-B.Graham..

The fourth quarter: The quarter finished even at 10–10. San Francisco 49ers connected on a field goal from the DET 30 (Q4 14:47) — (14:47) 2-D.Akers 48 yard field goal is GOOD, Center-86-B.Jennings, Holder-4-A.Lee.; Detroit Lions connected on a field goal from the SF 30 (Q4 9:21) — (9:21) 4-J.Hanson 48 yard field goal is GOOD, Center-48-D.Muhlbach, Holder-2-B.Graham.; San Francisco 49ers found the end zone from the DET 23 (Q4 3:11); San Francisco 49ers added 1 points from the DET 2 (Q4 3:04) — 2-D.Akers extra point is GOOD, Center-86-B.Jennings, Holder-4-A.Lee.; Detroit Lions found the end zone from the SF 9 (Q4 1:35) — (1:35) (Shotgun) 9-M.Stafford pass short middle to 87-B.Pettigrew for 9 yards, TOUCHDOWN.; Detroit Lions added 1 points from the SF 2 (Q4 1:29) — 4-J.Hanson extra point is GOOD, Center-48-D.Muhlbach, Holder-2-B.Graham..

Turning points

Plays that moved win probability the most — the swings that decided the game.

  • San Francisco 49ers (Q1 52:47) — 4-J.Hanson kicks 66 yards from DET 35 to SF -1. 32-K.Hunter to SF 25 for 26 yards (59-T.Whitehead). FUMBLES (59-T.Whitehead), RECOVERED by DET-10-K.Osgood at SF 25. 10-K.Osgood to SF 25 for no gain (9 [WPA -14.8% · EPA -4.83]
  • Detroit Lions (Q1 47:33) — (2:33) (Shotgun) 9-M.Stafford pass deep middle intended for 16-T.Young INTERCEPTED by 38-D.Goldson at DET 43. 38-D.Goldson to DET 23 for 20 yards (76-J.Backus). [WPA -12.1% · EPA -3.44]
  • San Francisco 49ers (Q1 58:32) — (13:32) 82-M.Manningham right end pushed ob at DET 38 for 29 yards (31-D.Florence). [WPA +7.9% · EPA +2.22]
  • Detroit Lions (Q1 54:26) — (9:26) (Shotgun) 9-M.Stafford pass incomplete deep right to 16-T.Young (29-C.Culliver). PENALTY on SF-29-C.Culliver, Defensive Pass Interference, 33 yards, enforced at DET 41 - No Play. [WPA +6.9% · EPA +3.31]
  • Detroit Lions (Q2 32:58) — (2:58) 4-J.Hanson 40 yard field goal is No Good, Hit Right Upright, Center-48-D.Muhlbach, Holder-2-B.Graham. [WPA -6.8% · EPA -3.61]

Impact plays

Highest expected-points added snaps that flipped field position and scoring chances.

  • San Francisco 49ers (Q1 52:47) — 4-J.Hanson kicks 66 yards from DET 35 to SF -1. 32-K.Hunter to SF 25 for 26 yards (59-T.Whitehead). FUMBLES (59-T.Whitehead), RECOVERED by DET-10-K.Osgood at SF 25. 10-K.Osgood to SF 25 for no gain (9 [WPA -14.8% · EPA -4.83]
  • Detroit Lions (Q4 1:35) — (1:35) (Shotgun) 9-M.Stafford pass short middle to 87-B.Pettigrew for 9 yards, TOUCHDOWN. [WPA +0.4% · EPA +3.90]
  • Detroit Lions (Q2 32:58) — (2:58) 4-J.Hanson 40 yard field goal is No Good, Hit Right Upright, Center-48-D.Muhlbach, Holder-2-B.Graham. [WPA -6.8% · EPA -3.61]
  • Detroit Lions (Q4 2:32) — (2:32) (Shotgun) 9-M.Stafford pass short right to 35-J.Bell pushed ob at SF 37 for 50 yards (25-T.Brown). Caught at DET 10. 53-yards YAC [WPA +0.2% · EPA +3.45]

Quarterback report card

M.Stafford led all passers in efficiency for Detroit Lions, setting the tone in the passing game according to FantasyHQ analytics.

  • M.Stafford (Detroit Lions) · 37 dropbacks · 51.4% completion · -6.3% CPOE · +0.22 EPA/play · +8.23 total EPA
  • A.Smith (San Francisco 49ers) · 36 dropbacks · 55.6% completion · -3.8% CPOE · +0.27 EPA/play · +9.75 total EPA

Team stats comparison

Side-by-side offensive and defensive efficiency from FantasyHQ analytics.

StatDetroit LionsSan Francisco 49ers
Offensive EPA/play+0.067+0.124
Offensive success rate40.5%51.2%
Pass EPA/play+0.222+0.271
Rush EPA/play-0.176+0.112
Defensive EPA/play-0.124-0.067
Defensive success rate48.8%59.5%

By the numbers

San Francisco 49ers held the efficiency edge in offensive EPA per play (+0.12 vs +0.07), even if the scoreboard told a different story.

  • Detroit Lions: 10 drives, +5.27 total EPA, 5 scoring drives
  • San Francisco 49ers: 10 drives, +9.92 total EPA, 5 scoring drives

Key takeaways

What to remember for fantasy research, film review, and follow-up box score digging.

  • San Francisco 49ers leaves with the win and the better postgame narrative for Week-to-week momentum.
  • A. Smith (San Francisco 49ers) is the first name to pull up for highlight reels and prop-retrospective research.
  • M. Stafford (DET) finished below expected efficiency — volume may have masked accuracy issues.
  • A. Smith (SF) finished below expected efficiency — volume may have masked accuracy issues.

Every scoring play

Chronological scoring with field position and full play-by-play context.

  1. San Francisco 49ers TD (+6) — Q1 57:29 · DET 21 · Score 0-6
    (12:29) 11-A.Smith pass deep left to 85-V.Davis for 21 yards, TOUCHDOWN.
  2. San Francisco 49ers XP (+1) — Q1 57:25 · DET 2 · Score 0-7
    2-D.Akers extra point is GOOD, Center-86-B.Jennings, Holder-4-A.Lee.
  3. Detroit Lions FG (+3) — Q1 52:51 · SF 20 · Score 3-7
    (7:51) 4-J.Hanson 38 yard field goal is GOOD, Center-48-D.Muhlbach, Holder-2-B.Graham.
  4. Detroit Lions FG (+3) — Q1 51:47 · SF 23 · Score 6-7
    (6:47) 4-J.Hanson 41 yard field goal is GOOD, Center-48-D.Muhlbach, Holder-2-B.Graham.
  5. San Francisco 49ers TD (+6) — Q2 45:00 · DET 1 · Score 6-13
    (15:00) 68-L.Davis and 92-W.Tukuafu reported in as eligible. 21-F.Gore left guard for 1 yard, TOUCHDOWN.
  6. San Francisco 49ers XP (+1) — Q2 44:57 · DET 2 · Score 6-14
    2-D.Akers extra point is GOOD, Center-86-B.Jennings, Holder-4-A.Lee.
  7. San Francisco 49ers FG (+3) — Q3 24:46 · DET 18 · Score 6-17
    (9:46) 2-D.Akers 36 yard field goal is GOOD, Center-86-B.Jennings, Holder-4-A.Lee.
  8. Detroit Lions FG (+3) — Q3 18:44 · SF 22 · Score 9-17
    (3:44) 4-J.Hanson 40 yard field goal is GOOD, Center-48-D.Muhlbach, Holder-2-B.Graham.
  9. San Francisco 49ers FG (+3) — Q4 14:47 · DET 30 · Score 9-20
    (14:47) 2-D.Akers 48 yard field goal is GOOD, Center-86-B.Jennings, Holder-4-A.Lee.
  10. Detroit Lions FG (+3) — Q4 9:21 · SF 30 · Score 12-20
    (9:21) 4-J.Hanson 48 yard field goal is GOOD, Center-48-D.Muhlbach, Holder-2-B.Graham.
  11. San Francisco 49ers TD (+6) — Q4 3:11 · DET 23 · Score 12-26
    (3:11) 92-W.Tukuafu reported in as eligible. 11-A.Smith pass short right to 85-V.Davis for 23 yards, TOUCHDOWN. Caught at DET 17. 17-yds YAC
  12. San Francisco 49ers XP (+1) — Q4 3:04 · DET 2 · Score 12-27
    2-D.Akers extra point is GOOD, Center-86-B.Jennings, Holder-4-A.Lee.
  13. Detroit Lions TD (+6) — Q4 1:35 · SF 9 · Score 18-27
    (1:35) (Shotgun) 9-M.Stafford pass short middle to 87-B.Pettigrew for 9 yards, TOUCHDOWN.
  14. Detroit Lions XP (+1) — Q4 1:29 · SF 2 · Score 19-27
    4-J.Hanson extra point is GOOD, Center-48-D.Muhlbach, Holder-2-B.Graham.

Frequently asked questions

Who won Detroit Lions vs San Francisco 49ers?

The San Francisco 49ers beat the Detroit Lions 27-19 in Week 2, 2012 on 2012-09-16.

What was the final score of Detroit Lions vs San Francisco 49ers?

The final score was Detroit Lions 19, San Francisco 49ers 27 (DET 19-27 SF) in Week 2, 2012 on 2012-09-16.

What was the score by quarter in Detroit Lions vs San Francisco 49ers?

Q1: Detroit Lions 6, San Francisco 49ers 7; Q2: Detroit Lions 0, San Francisco 49ers 7; Q3: Detroit Lions 3, San Francisco 49ers 3; Q4: Detroit Lions 10, San Francisco 49ers 10; Final: Detroit Lions 19, San Francisco 49ers 27.

Who scored touchdowns and field goals in Detroit Lions vs San Francisco 49ers?

San Francisco 49ers touchdown — V. Davis (A. Smith pass) (Q1 57:29) San Francisco 49ers touchdown — F. Gore (Q2 45:00) San Francisco 49ers touchdown — V. Davis (A. Smith pass) (Q4 3:11) Detroit Lions touchdown — B. Pettigrew (M. Stafford pass) (Q4 1:35) Detroit Lions field goal — J. Hanson (Q1 52:51, 3 pts) Detroit Lions field goal — J. Hanson (Q1 51:47, 3 pts) San Francisco 49ers field goal — D. Akers (Q3 24:46, 3 pts) Detroit Lions field goal — J. Hanson (Q3 18:44, 3 pts) San Francisco 49ers field goal — D. Akers (Q4 14:47, 3 pts) Detroit Lions field goal — J. Hanson (Q4 9:21, 3 pts) Extra points followed each touchdown unless noted in the play-by-play.

How did the quarterbacks play in Detroit Lions vs San Francisco 49ers?

M. Stafford (Detroit Lions), 51.4% completion, -6.3% CPOE, +0.22 EPA per dropback, +8.23 total passing EPA. A. Smith (San Francisco 49ers), 55.6% completion, -3.8% CPOE, +0.27 EPA per dropback, +9.75 total passing EPA.

Who was the most impactful player in Detroit Lions vs San Francisco 49ers?

A. Smith (San Francisco 49ers) led the game in total EPA with +9.75 on passing plays. across 36 snaps. The top single-play swing was (-4.83 EPA): 4-J.Hanson kicks 66 yards from DET 35 to SF -1. 32-K.Hunter to SF 25 for 26 yards (59-T.Whitehead). FUMBLES (59-T.Whitehead), RECOVERED by DET-10-K.Osgood at SF 25. 10-K.Osgood to . The biggest win-probability swing was -14.8%.

Season records after this game

Detroit Lions

Entered 1-0 Now 1-1 L

San Francisco 49ers

Entered 1-0 Now 2-0 W