NET: Fourth down pct (Off − Def)

NET · NET (Off − Def)P + N
About this stat ↓

What Fourth down pct (Off − Def) is

Fourth-down conversion rate minus the rate opponents converted against this defense. Small samples on both halves.

Higher is better. It is a rate, so a team's number does not grow with games played. Source: P + N.

In 2020 the Dolphins led at 33.85; the league average was 0.71.

League snapshot — 2020

League leader
MIA · 33.85
League average
0.71
Best to worst
81.99

All 32 teams, higher is better.

At a glance — 2020

Where the 32 teams sit on this stat this season.

League leader
MIA · 33.85
League laggard
CLE · -48.15
League average
0.71
Spread (max − min)
81.99

Does Fourth down pct (Off − Def) matter against the spread?

Run as a one-stat algorithm against the closing line, this stat went 840–738–37 ATS (53.2%) across 2020–2025, #127 of 296 ranked.

Its best season was 2020 (144–110, 56.7%); its worst 2022 (129–135, 48.9%).

For picks, this is a modest signal. One stat is not a recipe — the algorithms combine many.

SeasonGamesATS recordATS %
2020256144–110–256.7%
2021272148–122–254.8%
2022271129–135–748.9%
2023272135–123–1452.3%
2024272137–126–952.1%
2025272147–122–354.6%

Fourth down pct (Off − Def) in 2020 vs 2019

Dolphins lead at 33.85 — they ranked #26 last year. Browns are last at -48.15 — #9 last year.

The league average is 0.71, up 1.84 from -1.13 last year.

Biggest riser: Steelers, #31 → #2. Biggest faller: 49ers, #3 → #30.

Spread between first and last: 81.99; 21 teams are within 18.18 of the average.

Year-over-year — 2020 vs 2019

Biggest movers from last season.

Biggest riser
PIT · +61.92
Biggest faller
CLE · −54.03
Most consistent
DET · +0.43
League trend 2020 vs 2019
▲ 1.84

Multi-year context

7-year window (2020–2026)

Multi-year leader
KC · 16.43
Multi-year laggard
TEN · -21.01
Biggest improver
CLE · +10.96/yr
Biggest decliner
TEN · −10.68/yr

Multi-year heatmap

32 teams across 7 seasons. Cells colored by quintile within each season; click a column header to jump to that year.

Team2020202120222023202420252026
MIA33.85-2.025.78-0.83-1.61-23.60-38.10
PIT27.63-6.5511.432.92-29.29-21.51-11.43
WAS23.61-7.140.00-6.7320.29-0.96-17.86
BUF22.112.94-3.733.6219.606.74-13.89
IND21.144.93-5.85-15.388.3313.1022.73
NO20.009.52-5.745.063.70-11.76—
BAL17.445.56-22.5020.9110.483.90-25.00
ATL14.21-8.3311.11-5.7213.90-9.38-21.21
SEA13.66-5.5717.86-14.502.636.06-66.67
CIN7.8726.11-14.130.70-6.633.3355.00
DAL7.22-3.21-1.917.74-32.29-0.2950.00
TEN4.814.17-20.14-2.14-37.79-29.29-66.67
LAR4.20-0.498.958.5713.7311.9029.17
HOU3.87-15.04-15.00-17.08-4.2710.28-21.43
GB3.5713.64-19.193.33-10.000.4415.56
NYG2.53-18.55-17.09-3.98-3.09-26.5775.00
PHI1.68-7.728.7517.197.0417.07-44.44
ARI1.3311.95-6.10-5.88-13.89-5.1421.43
CHI-1.19-8.33-6.674.5513.163.9013.33
TB-1.199.82-4.7618.67-1.23-1.84-38.10
NYJ-2.78-13.63-3.0214.87-34.52-28.8237.50
NE-3.3112.500.00-19.565.9538.6727.50
CAR-4.44-15.9712.70-22.08-13.335.59-6.94
LV-6.16-9.26-0.837.02-20.92-24.380.00
KC-8.755.3817.866.2018.4148.9126.98
DET-11.11-13.07-1.50-5.1925.29-7.56-14.77
MIN-14.314.559.44-11.299.01-7.0760.00
LAC-18.6732.8913.57-12.500.438.00-55.00
DEN-23.3314.84-14.2916.5218.10-1.859.52
SF-25.006.001.181.99-15.384.55-5.56
JAX-39.74-8.6019.59-6.39-4.4923.1412.50
CLE-48.15-22.6210.3216.2510.102.4937.50

Fourth down pct (Off − Def) since 2018

Leaders since 2018: 2018 Saints (32.97), 2019 Cardinals (43.57), 2020 Dolphins (33.85).

The best season on record is Cardinals 2019 at 43.57; the worst Browns 2020 at -48.15.

The league average has fallen from 1.39 in 2018 to 0.71 in 2020.

Distribution

How the 32 teams cluster for 2020.

About this stat
Stat ID
net_fourth_down_pct
Side
net
Family
NET (Off − Def)
Data source
P + N
Polarity
higher is better (or neutral)
Display grain
rate
Algorithm eligibility
Algorithm-eligible: this stat can be picked in the Algorithm Builder.