Sweet Science Sports · Proprietary Analytics
First Down Engine
RB Command Index · Rushing Rankings
The First Down Engine evaluates NFL running backs across three dimensions: gold-standard rushing production, touchdown production, and first-down efficiency. Proprietary S³ metric — internal calculations are not displayed.
Sweet Science Sports
First Down Engine
#2
Gold Crown
Jonathan Taylor
Colts
RB
RB Rating
4.03First Down Engine
RUSH YDS
1,585
RUSH TD
18
YPC
4.91
G¹⁷ᵏ
1,585 YDS0.93
td¹⁷ᵏ
18 TD1.06
1DR
4.9 YPC2.04
S³ Proprietary · FDE v1.0sweetsciencesports.com
Sweet Science Sports
First Down Engine
#8
Gold Crown
Christian McCaffrey
49ers
RB
RB Rating
3.89First Down Engine
RUSH YDS
1,202
RUSH TD
10
YPC
3.86
G¹⁷ᵏ
1,202 YDS0.71
td¹⁷ᵏ
10 TD0.59
1DR
3.9 YPC2.59
S³ Proprietary · FDE v1.0sweetsciencesports.com
Sweet Science Sports
First Down Engine
#3
Gold Crown
Derrick Henry
Ravens
RB
RB Rating
3.80First Down Engine
RUSH YDS
1,595
RUSH TD
16
YPC
5.20
G¹⁷ᵏ
1,595 YDS0.94
td¹⁷ᵏ
16 TD0.94
1DR
5.2 YPC1.92
S³ Proprietary · FDE v1.0sweetsciencesports.com
Sweet Science Sports
First Down Engine
#1
Gold Crown
James Cook
Bills
RB
RB Rating
3.56First Down Engine
RUSH YDS
1,621
RUSH TD
12
YPC
5.25
G¹⁷ᵏ
1,621 YDS0.95
td¹⁷ᵏ
12 TD0.71
1DR
5.3 YPC1.90
S³ Proprietary · FDE v1.0sweetsciencesports.com
Sweet Science Sports
First Down Engine
#5
Gold Crown
Rhamondre Stevenson
Patriots
RB
RB Rating
3.56First Down Engine
RUSH YDS
51
RUSH TD
0
YPC
2.83
G¹⁷ᵏ
51 YDS0.03
td¹⁷ᵏ
0 TD0.00
1DR
2.8 YPC3.53
S³ Proprietary · FDE v1.0sweetsciencesports.com
Sweet Science Sports
First Down Engine
#6
Gold Crown
Rhamondre Stevenson
Patriots
RB
RB Rating
3.56First Down Engine
RUSH YDS
51
RUSH TD
0
YPC
2.83
G¹⁷ᵏ
51 YDS0.03
td¹⁷ᵏ
0 TD0.00
1DR
2.8 YPC3.53
S³ Proprietary · FDE v1.0sweetsciencesports.com
Sweet Science Sports
First Down Engine
#10
Gold Crown
Saquon Barkley
Eagles
RB
RB Rating
3.54First Down Engine
RUSH YDS
1,140
RUSH TD
7
YPC
4.07
G¹⁷ᵏ
1,140 YDS0.67
td¹⁷ᵏ
7 TD0.41
1DR
4.1 YPC2.46
S³ Proprietary · FDE v1.0sweetsciencesports.com
Sweet Science Sports
First Down Engine
#7
Gold Crown
Jahmyr Gibbs
Lions
RB
RB Rating
3.47First Down Engine
RUSH YDS
1,223
RUSH TD
13
YPC
5.03
G¹⁷ᵏ
1,223 YDS0.72
td¹⁷ᵏ
13 TD0.76
1DR
5.0 YPC1.99
S³ Proprietary · FDE v1.0sweetsciencesports.com
Sweet Science Sports
First Down Engine
#9
Gold Crown
Javonte Williams
Cowboys
RB
RB Rating
3.45First Down Engine
RUSH YDS
1,201
RUSH TD
11
YPC
4.77
G¹⁷ᵏ
1,201 YDS0.71
td¹⁷ᵏ
11 TD0.65
1DR
4.8 YPC2.10
S³ Proprietary · FDE v1.0sweetsciencesports.com
Sweet Science Sports
First Down Engine
#6
Gold Crown
Kyren Williams
Rams
RB
RB Rating
3.40First Down Engine
RUSH YDS
1,252
RUSH TD
10
YPC
4.83
G¹⁷ᵏ
1,252 YDS0.74
td¹⁷ᵏ
10 TD0.59
1DR
4.8 YPC2.07
S³ Proprietary · FDE v1.0sweetsciencesports.com
Sweet Science Sports
First Down Engine
#4
Gold Crown
Bijan Robinson
Falcons
RB
RB Rating
3.22First Down Engine
RUSH YDS
1,478
RUSH TD
7
YPC
5.15
G¹⁷ᵏ
1,478 YDS0.87
td¹⁷ᵏ
7 TD0.41
1DR
5.2 YPC1.94
S³ Proprietary · FDE v1.0sweetsciencesports.com
Sweet Science Sports
First Down Engine
#5
Gold Crown
De'Von Achane
Dolphins
RB
RB Rating
3.03First Down Engine
RUSH YDS
1,350
RUSH TD
8
YPC
5.67
G¹⁷ᵏ
1,350 YDS0.79
td¹⁷ᵏ
8 TD0.47
1DR
5.7 YPC1.76
S³ Proprietary · FDE v1.0sweetsciencesports.com
Sweet Science Sports
First Down Engine
#13
Gold Crown
George Holani
Seahawks
RB
RB Rating
2.77First Down Engine
RUSH YDS
29
RUSH TD
0
YPC
3.63
G¹⁷ᵏ
29 YDS0.02
td¹⁷ᵏ
0 TD0.00
1DR
3.6 YPC2.75
S³ Proprietary · FDE v1.0sweetsciencesports.com
Sweet Science Sports
First Down Engine
#14
Gold Crown
George Holani
Seahawks
RB
RB Rating
2.77First Down Engine
RUSH YDS
29
RUSH TD
0
YPC
3.63
G¹⁷ᵏ
29 YDS0.02
td¹⁷ᵏ
0 TD0.00
1DR
3.6 YPC2.75
S³ Proprietary · FDE v1.0sweetsciencesports.com
Sweet Science Sports
First Down Engine
#15
Gold Crown
Kyren Williams
Rams
RB
RB Rating
2.76First Down Engine
RUSH YDS
41
RUSH TD
1
YPC
3.73
G¹⁷ᵏ
41 YDS0.02
td¹⁷ᵏ
1 TD0.06
1DR
3.7 YPC2.68
S³ Proprietary · FDE v1.0sweetsciencesports.com
Sweet Science Sports
First Down Engine
#16
Gold Crown
Ronnie Rivers
Rams
RB
RB Rating
2.64First Down Engine
RUSH YDS
19
RUSH TD
0
YPC
3.80
G¹⁷ᵏ
19 YDS0.01
td¹⁷ᵏ
0 TD0.00
1DR
3.8 YPC2.63
S³ Proprietary · FDE v1.0sweetsciencesports.com
Sweet Science Sports
First Down Engine
#17
Gold Crown
Bijan Robinson
Falcons
RB
RB Rating
2.58First Down Engine
RUSH YDS
83
RUSH TD
0
YPC
3.95
G¹⁷ᵏ
83 YDS0.05
td¹⁷ᵏ
0 TD0.00
1DR
4.0 YPC2.53
S³ Proprietary · FDE v1.0sweetsciencesports.com
Sweet Science Sports
First Down Engine
#18
Gold Crown
Cam Skattebo
Giants
RB
RB Rating
2.33First Down Engine
RUSH YDS
81
RUSH TD
1
YPC
4.50
G¹⁷ᵏ
81 YDS0.05
td¹⁷ᵏ
1 TD0.06
1DR
4.5 YPC2.22
S³ Proprietary · FDE v1.0sweetsciencesports.com
Sweet Science Sports
First Down Engine
#19
Gold Crown
Ashton Jeanty
Raiders
RB
RB Rating
2.32First Down Engine
RUSH YDS
102
RUSH TD
0
YPC
4.43
G¹⁷ᵏ
102 YDS0.06
td¹⁷ᵏ
0 TD0.00
1DR
4.4 YPC2.26
S³ Proprietary · FDE v1.0sweetsciencesports.com
Sweet Science Sports
First Down Engine
#20
Silver Crown
Breece Hall
Jets
RB
RB Rating
2.27Crown Contender
RUSH YDS
102
RUSH TD
1
YPC
4.64
G¹⁷ᵏ
102 YDS0.06
td¹⁷ᵏ
1 TD0.06
1DR
4.6 YPC2.16
S³ Proprietary · FDE v1.0sweetsciencesports.com
Sweet Science Sports
First Down Engine
#21
Silver Crown
Kaelon Black
49ers
RB
RB Rating
2.19Crown Contender
RUSH YDS
65
RUSH TD
0
YPC
4.64
G¹⁷ᵏ
65 YDS0.04
td¹⁷ᵏ
0 TD0.00
1DR
4.6 YPC2.16
S³ Proprietary · FDE v1.0sweetsciencesports.com
Sweet Science Sports
First Down Engine
#22
Silver Crown
Jonathan Taylor
Colts
RB
RB Rating
2.11Crown Contender
RUSH YDS
98
RUSH TD
2
YPC
5.16
G¹⁷ᵏ
98 YDS0.06
td¹⁷ᵏ
2 TD0.12
1DR
5.2 YPC1.94
S³ Proprietary · FDE v1.0sweetsciencesports.com
Sweet Science Sports
First Down Engine
#23
Silver Crown
Jahmyr Gibbs
Lions
RB
RB Rating
2.07Crown Contender
RUSH YDS
156
RUSH TD
2
YPC
5.38
G¹⁷ᵏ
156 YDS0.09
td¹⁷ᵏ
2 TD0.12
1DR
5.4 YPC1.86
S³ Proprietary · FDE v1.0sweetsciencesports.com
Sweet Science Sports
First Down Engine
#24
Silver Crown
Jadarian Price
Seahawks
RB
RB Rating
1.95Crown Contender
RUSH YDS
52
RUSH TD
0
YPC
5.20
G¹⁷ᵏ
52 YDS0.03
td¹⁷ᵏ
0 TD0.00
1DR
5.2 YPC1.92
S³ Proprietary · FDE v1.0sweetsciencesports.com
Sweet Science Sports
First Down Engine
#25
Silver Crown
Jadarian Price
Seahawks
RB
RB Rating
1.95Crown Contender
RUSH YDS
52
RUSH TD
0
YPC
5.20
G¹⁷ᵏ
52 YDS0.03
td¹⁷ᵏ
0 TD0.00
1DR
5.2 YPC1.92
S³ Proprietary · FDE v1.0sweetsciencesports.com
Sweet Science Sports
First Down Engine
#26
Silver Crown
Derrick Henry
Ravens
RB
RB Rating
1.93Crown Contender
RUSH YDS
144
RUSH TD
3
YPC
6.00
G¹⁷ᵏ
144 YDS0.08
td¹⁷ᵏ
3 TD0.18
1DR
6.0 YPC1.67
S³ Proprietary · FDE v1.0sweetsciencesports.com
Sweet Science Sports
First Down Engine
#27
Bronze Crown
Blake Corum
Rams
RB
RB Rating
1.88Efficiency Specialist
RUSH YDS
54
RUSH TD
0
YPC
5.40
G¹⁷ᵏ
54 YDS0.03
td¹⁷ᵏ
0 TD0.00
1DR
5.4 YPC1.85
S³ Proprietary · FDE v1.0sweetsciencesports.com
Sweet Science Sports
First Down Engine
#28
Bronze Crown
Saquon Barkley
Eagles
RB
RB Rating
1.86Efficiency Specialist
RUSH YDS
83
RUSH TD
0
YPC
5.53
G¹⁷ᵏ
83 YDS0.05
td¹⁷ᵏ
0 TD0.00
1DR
5.5 YPC1.81
S³ Proprietary · FDE v1.0sweetsciencesports.com
Sweet Science Sports
First Down Engine
#29
Bronze Crown
Brock Purdy
49ers
RB
RB Rating
1.74Efficiency Specialist
RUSH YDS
29
RUSH TD
0
YPC
5.80
G¹⁷ᵏ
29 YDS0.02
td¹⁷ᵏ
0 TD0.00
1DR
5.8 YPC1.72
S³ Proprietary · FDE v1.0sweetsciencesports.com
Sweet Science Sports
First Down Engine
#30
Bronze Crown
D'Andre Swift
Bears
RB
RB Rating
1.70Efficiency Specialist
RUSH YDS
124
RUSH TD
3
YPC
6.89
G¹⁷ᵏ
124 YDS0.07
td¹⁷ᵏ
3 TD0.18
1DR
6.9 YPC1.45
S³ Proprietary · FDE v1.0sweetsciencesports.com
Sweet Science Sports
First Down Engine
#31
Bronze Crown
Drew Lock
Seahawks
RB
RB Rating
1.55Efficiency Specialist
RUSH YDS
13
RUSH TD
0
YPC
6.50
G¹⁷ᵏ
13 YDS0.01
td¹⁷ᵏ
0 TD0.00
1DR
6.5 YPC1.54
S³ Proprietary · FDE v1.0sweetsciencesports.com
Sweet Science Sports
First Down Engine
#32
Bronze Crown
Drew Lock
Seahawks
RB
RB Rating
1.55Efficiency Specialist
RUSH YDS
13
RUSH TD
0
YPC
6.50
G¹⁷ᵏ
13 YDS0.01
td¹⁷ᵏ
0 TD0.00
1DR
6.5 YPC1.54
S³ Proprietary · FDE v1.0sweetsciencesports.com
Sweet Science Sports
First Down Engine
#33
Bronze Crown
Drake Maye
Patriots
RB
RB Rating
1.52Efficiency Specialist
RUSH YDS
47
RUSH TD
0
YPC
6.71
G¹⁷ᵏ
47 YDS0.03
td¹⁷ᵏ
0 TD0.00
1DR
6.7 YPC1.49
S³ Proprietary · FDE v1.0sweetsciencesports.com
Sweet Science Sports
First Down Engine
#34
Bronze Crown
Drake Maye
Patriots
RB
RB Rating
1.52Efficiency Specialist
RUSH YDS
47
RUSH TD
0
YPC
6.71
G¹⁷ᵏ
47 YDS0.03
td¹⁷ᵏ
0 TD0.00
1DR
6.7 YPC1.49
S³ Proprietary · FDE v1.0sweetsciencesports.com
Sweet Science Sports
First Down Engine
#35
Bronze Crown
Christian McCaffrey
49ers
RB
RB Rating
1.51Efficiency Specialist
RUSH YDS
68
RUSH TD
0
YPC
6.80
G¹⁷ᵏ
68 YDS0.04
td¹⁷ᵏ
0 TD0.00
1DR
6.8 YPC1.47
S³ Proprietary · FDE v1.0sweetsciencesports.com
Sweet Science Sports
First Down Engine
#36
Unranked
Kyle Monangai
Bears
RB
RB Rating
1.12Below Standard
RUSH YDS
100
RUSH TD
1
YPC
10.00
G¹⁷ᵏ
100 YDS0.06
td¹⁷ᵏ
1 TD0.06
1DR
10.0 YPC1.00
S³ Proprietary · FDE v1.0sweetsciencesports.com
Crown Tiers
Gold CrownFirst Down Engine2.3+
Silver CrownCrown Contender1.9+
Bronze CrownEfficiency Specialist1.5+
What the Metrics Measure
G¹⁷ᵏ — Gold-standard rushing production
td¹⁷ᵏ — Touchdown production
1DR — Carries needed for a first down (lower is better)
RB Rating — Composite rushing impact score
© 2026 Sweet Science Sports (S³). All Rights Reserved.
The Sweet Science Sports S³BR Football System — including O/R²T, D/R²T, ORt₹, DRt₹, Offensive Standards (OS), Defensive Standards (DS), Responsibility Ratings, S³ Performance Standards, terminology, symbols, notation, scoring methodology, weighting systems, proprietary formulas, algorithms, calculations, evaluation framework, visual presentation, and written documentation — are the original intellectual property of Randy Woodall and Sweet Science Sports (S³).
No portion of this system may be reproduced, reverse-engineered, modified, distributed, published, or used commercially without prior written permission.
Version: S³BR Football System v1.0 • Created: July 2026 • Author: Randy Woodall • Organization: Sweet Science Sports (S³)