FantasyHQ · Game Recap

NFL · Week 4 · October 3, 2021 · 12 min read

Arizona Cardinals vs. Los Angeles Rams: 2021 Week 4 Recap

Cardinals defeat Rams 37–20 in Week 4

Kenneth Murray, Jr. led Fantasy Impact as Cardinals prevailed in a 37–20 Week 4 finish.

Arizona Cardinals 37 4–0 Winner
Final 37–20
Los Angeles Rams 20 3–1
Winner
Arizona Cardinals
Final score
37–20
Halftime
Arizona Cardinals 24–13 Los Angeles Rams
Top passer
Matthew Stafford
FantasyHQ MVP
Kenneth Murray, Jr.
Game date
October 3, 2021

Top fantasy performers · Cardinals

  • Kenneth Murray, Jr.
    Kenneth Murray, Jr. 24/41 · 287 YDS · 2 TD +17.6 Fantasy Impact
  • Mykel Williams
    Mykel Williams 5 REC · 66 YDS · 1 TD +7.0 Fantasy Impact
  • Art Green
    Art Green 5 REC · 67 YDS · 1 TD +6.5 Fantasy Impact

Top fantasy performers · Rams

  • Van Jefferson
    Van Jefferson 6 REC · 90 YDS · 1 TD +8.2 Fantasy Impact
  • Matthew Stafford
    Matthew Stafford 26/47 · 292 YDS · 2 TD +5.2 Fantasy Impact
  • Robert Woods
    Robert Woods 4 REC · 48 YDS · 1 TD +4.5 Fantasy Impact

Game story

The Arizona Cardinals defeated the Los Angeles Rams 37–20 in Week 4 of the 2021 NFL season on 2021-10-03, a matchup that controlled the game from start to finish. The decisive swing (+13.9% win probability) came in the opening quarter when Arizona Cardinals swung the momentum.

In Week 4 of the 2021 NFL season on 2021-10-03, the Arizona Cardinals took care of business against the Los Angeles Rams, pulling away with a 37–20 final that controlled the game from start to finish.

The highest-scoring period was Q2 with 20 combined points — the stretch that most shaped the final margin.

M. Stafford (Los Angeles Rams) paced the passing game, with +5.17 total EPA, and -2.2% completion percentage over expected.

On the individual side, K. Murray (Arizona Cardinals) delivered the top overall EPA impact at +17.57 — the clearest player-of-the-game signal on the analytics sheet.

The momentum swing (+13.9% win probability) landed in the opening quarter when Arizona Cardinals changed the game: (5:58) (No Huddle, Shotgun) 1-K.Murray pass deep right to 18-A.Green for 41 yards, TOUCHDOWN. Penalty on LA-22-D.Long, Defensive Holding, declined.

Line score

Final score and points by quarter.

Q1Q2Q3Q4T
Arizona Cardinals717103037
Los Angeles Rams10307020

Stars of the game

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

  1. 1 K. Murray · Arizona Cardinals · Passing · +17.57 total EPA · 41 snaps · +0.43 EPA/play
  2. 2 V. Jefferson · Los Angeles Rams · Receiving · +8.20 total EPA · 6 snaps · +1.37 EPA/play
  3. 3 M. Williams · Arizona Cardinals · Receiving · +7.05 total EPA · 5 snaps · +1.41 EPA/play
  4. 4 A. Green · Arizona Cardinals · Receiving · +6.46 total EPA · 6 snaps · +1.08 EPA/play
  5. 5 C. Edmonds · Arizona Cardinals · Rushing · +5.60 total EPA · 13 snaps · +0.43 EPA/play
  6. 6 M. Stafford · Los Angeles Rams · Passing · +5.17 total EPA · 47 snaps · +0.11 EPA/play
  7. 7 R. Woods · Los Angeles Rams · Receiving · +4.45 total EPA · 6 snaps · +0.74 EPA/play
  8. 8 D. Hopkins · Arizona Cardinals · Receiving · +3.24 total EPA · 7 snaps · +0.46 EPA/play

Player of the game

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

K. Murray — ARI · Passing

K. Murray posted the highest total EPA (+17.57) in the game, making the biggest overall impact on Arizona Cardinals's efficiency. Across 41 counted snaps, they averaged +0.43 EPA per play.

The signature play (-6.26 EPA) came from Los Angeles Rams: (10:44) 25-S.Michel right tackle to LA 25 for no gain (44-M.Golden). FUMBLES (44-M.Golden), RECOVERED by ARI-3-B.Baker at LA 26. 3-B.Baker to LA 21 for 5 yards (63-A.Corbett).

Who scored touchdowns and field goals

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

Touchdowns

  • Arizona Cardinals — A. Green (K. Murray pass) (Q1 50:58)
  • Los Angeles Rams — V. Jefferson (M. Stafford pass) (Q1 46:00)
  • Arizona Cardinals — M. Williams (K. Murray pass) (Q2 40:49)
  • Arizona Cardinals — J. Conner (Q2 38:48)
  • Arizona Cardinals — J. Conner (Q3 16:18)
  • Los Angeles Rams — R. Woods (M. Stafford pass) (Q4 1:17)

Field goals

  • Los Angeles Rams — M. Gay (Q1 56:22)
  • Los Angeles Rams — M. Gay (Q2 33:25)
  • Arizona Cardinals — M. Prater (Q2 30:07)
  • Arizona Cardinals — M. Prater (Q3 25:20)
  • Arizona Cardinals — M. Prater (Q4 3:42)

How it unfolded, quarter by quarter

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

The opening quarter: Los Angeles Rams won the period 10–7. Los Angeles Rams connected on a field goal from the ARI 23 (Q1 56:22) — (11:22) 8-M.Gay 42 yard field goal is GOOD, Center-42-M.Orzech, Holder-6-J.Hekker.; Arizona Cardinals found the end zone from the LA 41 (Q1 50:58); Arizona Cardinals added 1 points from the LA 15 (Q1 50:50) — 5-M.Prater extra point is GOOD, Center-46-A.Brewer, Holder-14-A.Lee.; Los Angeles Rams found the end zone from the ARI 14 (Q1 46:00) — (1:00) (Shotgun) 9-M.Stafford pass short left to 12-V.Jefferson for 14 yards, TOUCHDOWN.; Los Angeles Rams added 1 points from the ARI 15 (Q1 45:52) — 8-M.Gay extra point is GOOD, Center-42-M.Orzech, Holder-6-J.Hekker..

The second quarter: Arizona Cardinals won the period 17–3. Arizona Cardinals found the end zone from the LA 14 (Q2 40:49) — (10:49) (No Huddle, Shotgun) 1-K.Murray pass short middle to 87-M.Williams for 14 yards, TOUCHDOWN.; Arizona Cardinals added 1 points from the LA 15 (Q2 40:44) — 5-M.Prater extra point is GOOD, Center-46-A.Brewer, Holder-14-A.Lee.; Arizona Cardinals found the end zone from the LA 1 (Q2 38:48) — (8:48) (No Huddle, Shotgun) 6-J.Conner up the middle for 1 yard, TOUCHDOWN.; Arizona Cardinals added 1 points from the LA 15 (Q2 38:44) — 5-M.Prater extra point is GOOD, Center-46-A.Brewer, Holder-14-A.Lee.; Los Angeles Rams connected on a field goal from the ARI 4 (Q2 33:25) — (3:25) 8-M.Gay 22 yard field goal is GOOD, Center-42-M.Orzech, Holder-6-J.Hekker.; Arizona Cardinals connected on a field goal from the LA 5 (Q2 30:07) — (:07) 5-M.Prater 23 yard field goal is GOOD, Center-46-A.Brewer, Holder-14-A.Lee..

The third quarter: Arizona Cardinals won the period 10–0. Arizona Cardinals connected on a field goal from the LA 37 (Q3 25:20) — (10:20) 5-M.Prater 55 yard field goal is GOOD, Center-46-A.Brewer, Holder-14-A.Lee.; Arizona Cardinals found the end zone from the LA 1 (Q3 16:18) — (1:18) (Shotgun) 6-J.Conner up the middle for 1 yard, TOUCHDOWN.; Arizona Cardinals added 1 points from the LA 15 (Q3 16:14) — 5-M.Prater extra point is GOOD, Center-46-A.Brewer, Holder-14-A.Lee..

The fourth quarter: Los Angeles Rams won the period 7–3. Arizona Cardinals connected on a field goal from the LA 5 (Q4 3:42) — (3:42) 5-M.Prater 23 yard field goal is GOOD, Center-46-A.Brewer, Holder-14-A.Lee.; Los Angeles Rams found the end zone from the ARI 14 (Q4 1:17) — (1:17) (No Huddle, Shotgun) 9-M.Stafford pass short right to 2-R.Woods for 14 yards, TOUCHDOWN [99-J.Watt].; Los Angeles Rams added 1 points from the ARI 15 (Q4 1:14) — 8-M.Gay extra point is GOOD, Center-42-M.Orzech, Holder-6-J.Hekker..

Turning points

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

  • Arizona Cardinals (Q1 50:58) — (5:58) (No Huddle, Shotgun) 1-K.Murray pass deep right to 18-A.Green for 41 yards, TOUCHDOWN. Penalty on LA-22-D.Long, Defensive Holding, declined. [WPA +13.9% · EPA +5.01]
  • Los Angeles Rams (Q2 40:44) — (10:44) 25-S.Michel right tackle to LA 25 for no gain (44-M.Golden). FUMBLES (44-M.Golden), RECOVERED by ARI-3-B.Baker at LA 26. 3-B.Baker to LA 21 for 5 yards (63-A.Corbett). [WPA -12.7% · EPA -6.26]
  • Los Angeles Rams (Q1 57:34) — (12:34) (Shotgun) 9-M.Stafford pass short middle to 2-R.Woods to ARI 28 for 18 yards (20-M.Wilson). [WPA +11.1% · EPA +2.52]
  • Arizona Cardinals (Q2 40:49) — (10:49) (No Huddle, Shotgun) 1-K.Murray pass short middle to 87-M.Williams for 14 yards, TOUCHDOWN. [WPA +10.5% · EPA +2.88]
  • Los Angeles Rams (Q2 35:47) — (5:47) (No Huddle, Shotgun) 9-M.Stafford pass deep middle to 10-C.Kupp to ARI 23 for 35 yards (3-B.Baker). [WPA +9.7% · EPA +3.77]

Impact plays

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

  • Los Angeles Rams (Q2 40:44) — (10:44) 25-S.Michel right tackle to LA 25 for no gain (44-M.Golden). FUMBLES (44-M.Golden), RECOVERED by ARI-3-B.Baker at LA 26. 3-B.Baker to LA 21 for 5 yards (63-A.Corbett). [WPA -12.7% · EPA -6.26]
  • Arizona Cardinals (Q1 50:58) — (5:58) (No Huddle, Shotgun) 1-K.Murray pass deep right to 18-A.Green for 41 yards, TOUCHDOWN. Penalty on LA-22-D.Long, Defensive Holding, declined. [WPA +13.9% · EPA +5.01]
  • Arizona Cardinals (Q4 10:35) — (10:35) (Shotgun) 2-C.Edmonds up the middle to LA 42 for 54 yards (31-R.Rochell, 4-J.Fuller). [WPA +0.7% · EPA +4.79]
  • Los Angeles Rams (Q4 12:08) — (12:08) (Shotgun) 9-M.Stafford pass incomplete short right to 89-T.Higbee. [WPA +1.5% · EPA -3.97]

Quarterback report card

M.Stafford led all passers in efficiency for Los Angeles Rams, setting the tone in the passing game according to FantasyHQ analytics.

  • M.Stafford (Los Angeles Rams) · 47 dropbacks · 55.3% completion · -2.2% CPOE · +0.11 EPA/play · +5.17 total EPA
  • K.Murray (Arizona Cardinals) · 41 dropbacks · 58.5% completion · +10.5% CPOE · +0.43 EPA/play · +17.57 total EPA

Team stats comparison

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

StatArizona CardinalsLos Angeles Rams
Offensive EPA/play+0.218-0.031
Offensive success rate52.6%51.8%
Pass EPA/play+0.429+0.110
Rush EPA/play+0.108-0.157
Defensive EPA/play+0.031-0.218
Defensive success rate48.2%47.4%

By the numbers

Despite the final score, Arizona Cardinals generated the better offensive EPA per play (+0.22 vs -0.03), suggesting they moved the ball more efficiently.

  • Arizona Cardinals: 10 drives, +20.74 total EPA, 7 scoring drives
  • Los Angeles Rams: 10 drives, -2.67 total EPA, 4 scoring drives

Key takeaways

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

  • Arizona Cardinals leaves with the win and the better postgame narrative for Week-to-week momentum.
  • K. Murray (Arizona Cardinals) is the first name to pull up for highlight reels and prop-retrospective research.
  • K. Murray (ARI) beat expectation through the air — positive CPOE game for stack builds.

Every scoring play

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

  1. Los Angeles Rams FG (+3) — Q1 56:22 · ARI 23 · Score 0-3
    (11:22) 8-M.Gay 42 yard field goal is GOOD, Center-42-M.Orzech, Holder-6-J.Hekker.
  2. Arizona Cardinals TD (+6) — Q1 50:58 · LA 41 · Score 6-3
    (5:58) (No Huddle, Shotgun) 1-K.Murray pass deep right to 18-A.Green for 41 yards, TOUCHDOWN. Penalty on LA-22-D.Long, Defensive Holding, declined.
  3. Arizona Cardinals XP (+1) — Q1 50:50 · LA 15 · Score 7-3
    5-M.Prater extra point is GOOD, Center-46-A.Brewer, Holder-14-A.Lee.
  4. Los Angeles Rams TD (+6) — Q1 46:00 · ARI 14 · Score 7-9
    (1:00) (Shotgun) 9-M.Stafford pass short left to 12-V.Jefferson for 14 yards, TOUCHDOWN.
  5. Los Angeles Rams XP (+1) — Q1 45:52 · ARI 15 · Score 7-10
    8-M.Gay extra point is GOOD, Center-42-M.Orzech, Holder-6-J.Hekker.
  6. Arizona Cardinals TD (+6) — Q2 40:49 · LA 14 · Score 13-10
    (10:49) (No Huddle, Shotgun) 1-K.Murray pass short middle to 87-M.Williams for 14 yards, TOUCHDOWN.
  7. Arizona Cardinals XP (+1) — Q2 40:44 · LA 15 · Score 14-10
    5-M.Prater extra point is GOOD, Center-46-A.Brewer, Holder-14-A.Lee.
  8. Arizona Cardinals TD (+6) — Q2 38:48 · LA 1 · Score 20-10
    (8:48) (No Huddle, Shotgun) 6-J.Conner up the middle for 1 yard, TOUCHDOWN.
  9. Arizona Cardinals XP (+1) — Q2 38:44 · LA 15 · Score 21-10
    5-M.Prater extra point is GOOD, Center-46-A.Brewer, Holder-14-A.Lee.
  10. Los Angeles Rams FG (+3) — Q2 33:25 · ARI 4 · Score 21-13
    (3:25) 8-M.Gay 22 yard field goal is GOOD, Center-42-M.Orzech, Holder-6-J.Hekker.
  11. Arizona Cardinals FG (+3) — Q2 30:07 · LA 5 · Score 24-13
    (:07) 5-M.Prater 23 yard field goal is GOOD, Center-46-A.Brewer, Holder-14-A.Lee.
  12. Arizona Cardinals FG (+3) — Q3 25:20 · LA 37 · Score 27-13
    (10:20) 5-M.Prater 55 yard field goal is GOOD, Center-46-A.Brewer, Holder-14-A.Lee.
  13. Arizona Cardinals TD (+6) — Q3 16:18 · LA 1 · Score 33-13
    (1:18) (Shotgun) 6-J.Conner up the middle for 1 yard, TOUCHDOWN.
  14. Arizona Cardinals XP (+1) — Q3 16:14 · LA 15 · Score 34-13
    5-M.Prater extra point is GOOD, Center-46-A.Brewer, Holder-14-A.Lee.
  15. Arizona Cardinals FG (+3) — Q4 3:42 · LA 5 · Score 37-13
    (3:42) 5-M.Prater 23 yard field goal is GOOD, Center-46-A.Brewer, Holder-14-A.Lee.
  16. Los Angeles Rams TD (+6) — Q4 1:17 · ARI 14 · Score 37-19
    (1:17) (No Huddle, Shotgun) 9-M.Stafford pass short right to 2-R.Woods for 14 yards, TOUCHDOWN [99-J.Watt].
  17. Los Angeles Rams XP (+1) — Q4 1:14 · ARI 15 · Score 37-20
    8-M.Gay extra point is GOOD, Center-42-M.Orzech, Holder-6-J.Hekker.

Frequently asked questions

Who won Arizona Cardinals vs Los Angeles Rams?

The Arizona Cardinals beat the Los Angeles Rams 37-20 in Week 4, 2021 on 2021-10-03.

What was the final score of Arizona Cardinals vs Los Angeles Rams?

The final score was Arizona Cardinals 37, Los Angeles Rams 20 (ARI 37-20 LA) in Week 4, 2021 on 2021-10-03.

What was the score by quarter in Arizona Cardinals vs Los Angeles Rams?

Q1: Arizona Cardinals 7, Los Angeles Rams 10; Q2: Arizona Cardinals 17, Los Angeles Rams 3; Q3: Arizona Cardinals 10, Los Angeles Rams 0; Q4: Arizona Cardinals 3, Los Angeles Rams 7; Final: Arizona Cardinals 37, Los Angeles Rams 20.

Who scored touchdowns and field goals in Arizona Cardinals vs Los Angeles Rams?

Arizona Cardinals touchdown — A. Green (K. Murray pass) (Q1 50:58) Los Angeles Rams touchdown — V. Jefferson (M. Stafford pass) (Q1 46:00) Arizona Cardinals touchdown — M. Williams (K. Murray pass) (Q2 40:49) Arizona Cardinals touchdown — J. Conner (Q2 38:48) Arizona Cardinals touchdown — J. Conner (Q3 16:18) Los Angeles Rams touchdown — R. Woods (M. Stafford pass) (Q4 1:17) Los Angeles Rams field goal — M. Gay (Q1 56:22, 3 pts) Los Angeles Rams field goal — M. Gay (Q2 33:25, 3 pts) Arizona Cardinals field goal — M. Prater (Q2 30:07, 3 pts) Arizona Cardinals field goal — M. Prater (Q3 25:20, 3 pts) Arizona Cardinals field goal — M. Prater (Q4 3:42, 3 pts) Extra points followed each touchdown unless noted in the play-by-play.

How did the quarterbacks play in Arizona Cardinals vs Los Angeles Rams?

M. Stafford (Los Angeles Rams), 55.3% completion, -2.2% CPOE, +0.11 EPA per dropback, +5.17 total passing EPA. K. Murray (Arizona Cardinals), 58.5% completion, +10.5% CPOE, +0.43 EPA per dropback, +17.57 total passing EPA.

Who was the most impactful player in Arizona Cardinals vs Los Angeles Rams?

K. Murray (Arizona Cardinals) led the game in total EPA with +17.57 on passing plays. across 41 snaps. The top single-play swing was (-6.26 EPA): (10:44) 25-S.Michel right tackle to LA 25 for no gain (44-M.Golden). FUMBLES (44-M.Golden), RECOVERED by ARI-3-B.Baker at LA 26. 3-B.Baker to LA 21 for 5 yards (63-A.Corbett).. The biggest win-probability swing was +13.9%.

Season records after this game

Arizona Cardinals

Entered 3-0 Now 4-0 W

Los Angeles Rams

Entered 3-0 Now 3-1 L