ScoutIndex

ARI ARI

Jermar Jefferson

RB

Jermar Jefferson came into the league as a 7th-round selection (257th overall) in 2021, drafted out of Oregon State. He's currently with ARI, in his 5th season in the league. Rush Efficiency is his calling card, grading in the 87th percentile among his peers. Across 2 NFL seasons, he has totaled 96 rushing yards and 2 touchdowns.

Size

5'10", 215#

College

Oregon State

Draft

Rd 7, 257th overall (2021)

Seasons

2021–2025

2021 ScoutIndex Rating · RB

Methodology
57.6

79th percentile among RBs · limited sample

4 games · 19 touches

Volume×0.1-0.68
Receiving×0.14-0.39
Total EPA×0.24+0.54
Conversion×0.1+0.55
Ball security×0.06+0.24
Yards/carry×0.12+0.37
Rush EPA/carry×0.24+0.92

2021 attribute card

click a row to see the formula
AthleticismRushingReceivingImpact

group averages

Athleticism

Speed40▶

Percentile of 40-yard dash time among RBs at the NFL Combine (faster = higher), 2000–present.

Burst11▶

Percentile of vertical jump + broad jump among combine RBs.

Agility8▶

Percentile of 3-cone + short shuttle among combine RBs (faster = higher).

Size38▶

Height/weight z-score vs. the RB cohort (from official bio, not combine-dependent).

Rushing

Rush Efficiency87▶

Rushing EPA ÷ carry.

Yards/Carry77▶

Rushing yards ÷ carry.

Conversion74▶

(Rushing first downs + ½ rushing TD) ÷ carry.

Receiving

Receiving32▶

Receiving EPA ÷ target, plus a reception-volume bonus — the same formula behind the Rating's receiving component.

Impact

Ball Security60▶

Fumbles lost ÷ touch (fewer is better).

Volume37▶

Carries + receptions this season.

Efficiency86▶

Total EPA (rushing + receiving) per game.

Career (regular season)

SeasonTmSIGPass ydsPass TDRush ydsRush TDRecRec ydsRec TD
2024DET49.9222110
2021DET57.64742423

Career profile

Jermar Jefferson has appeared in 6 regular-season games across 2 NFL seasons on file, all with DET.

He has rushed for 96 yards and 2 touchdowns. As a receiver he has caught 5 passes for 33 yards and 0 touchdowns. His most productive rushing season was 2021 with DET: 74 yards and 2 touchdowns in 4 games.

Career highs (regular season)

2021 splits

regular season
SplitGRush ydsRush TD
Home3
33
11/g
1
Away1
41
41/g
1
In division1
18
18/g
0
Out of division3
56
19/g
2
In wins2
27
14/g
0
In losses1
6
6/g
1
On grass1
41
41/g
1
On turf3
33
11/g
1
Indoors3
33
11/g
1
Outdoors1
41
41/g
1

2021 game log

WkOppLineScore
Week 8PHI6 rush yds, 1 TD · 4 rec, 23 yds, 0 TD61.3
Week 10PIT41 rush yds, 1 TD75.4
Week 13MIN18 rush yds, 0 TD42.6
Week 15ARI9 rush yds, 0 TD40.7

Jermar Jefferson — common questions

What position does Jermar Jefferson play?
Jermar Jefferson is listed as an RB.
Which teams has Jermar Jefferson played for?
In the seasons on file (1999 onward), Jermar Jefferson has played for DET (2021–2024).
Where did Jermar Jefferson go to college?
Jermar Jefferson played college football at Oregon State.
When was Jermar Jefferson drafted?
Jermar Jefferson was selected in round 7, 257th overall, of the 2021 NFL Draft.
How many touchdowns has Jermar Jefferson scored?
Jermar Jefferson has 2 touchdowns in the regular-season games on file (2 rushing).
What is Jermar Jefferson's ScoutIndex Rating?
Jermar Jefferson rated 49.9 for 2024, the 52nd percentile among RBs (provisional or limited sample). Ratings run 0–99; about 60 is a league-average qualified starter.

Related players

Top teammates, last season on file

Drafted in round 7, 2021

Also from Oregon State