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Jim O'Neil

Jim O'Neil

Assistant
Team: DETType: DefensiveTenure: 2 years (2024-2026)

Coaching Timeline

Why does coaching matter?
CFB
Albany
Asst. OL
20011 yr
CFB
Penn
Asst. OL Coach
20021 yr
CFB
Northwestern
Graduate Asst.
2003-042 yrs
CFB
Towson
Defensive Coordinator
20051 yr
CFB
Eastern Michigan
Recruiting
2006-083 yrs
NYJ
New York Jets
Defensive Quality Control
20091 yr
NYJ
New York Jets
Assistant DB Coach
2010-123 yrs
BUF
Buffalo Bills
Linebackers
20131 yr
CLE
Cleveland Browns
Defensive Coordinator
2014-152 yrs
SF
San Francisco 49ers
Defensive Coordinator
20161 yr
LV
Las Vegas Raiders
Other Notable Asst.
2018-192 yrs
LV
Las Vegas Raiders
Defensive Backs
20201 yr
CFB
Northwestern
Defensive Coordinator
2021-222 yrs
DET
Detroit Lions
Defensive Assistant
2024-252 yrs

Team Info

SeasonRoleTeamRecordHCOCDCQB1QB2RB1WR/TE 1WR/TE 2
2025Other Notable Asst.DETDET9-8Dan CampbellJohn MortonKelvin SheppardJared Goff(17.00)—Jahmyr Gibbs(17.00)Amon-Ra St. Brown(16.25)Jameson Williams(17.00)
2024Other Notable Asst.DETDET15-2Dan CampbellBen JohnsonAaron GlennJared Goff(16.75)—Jahmyr Gibbs(16.50)Amon-Ra St. Brown(16.75)Jameson Williams(15.00)
2020Other Notable Asst.LVLV8-8Jon GrudenGreg OlsonPaul GuentherDerek Carr(15.25)—Josh Jacobs(14.50)Darren Waller(16.00)Nelson Agholor(16.00)
2019Defensive BacksLVLV—Jon GrudenGreg OlsonPaul GuentherDerek Carr(15.75)—Josh Jacobs(12.50)Darren Waller(16.00)Tyrell Williams(13.50)
2018Senior Defensive AssistantLVLV—Jon GrudenGreg OlsonPaul GuentherDerek Carr(16.00)—Jalen Richard(15.50)Jared Cook(16.00)Jordy Nelson(15.00)

Coach Impact

Note: only calculated for first year upon arrival — take results with a grain of salt.
SF
San Francisco 49ers (2016)
Defensive Coordinator
First tracked season — no prior year comparison available
2016
DEFENSE
RZ P/V5.68
3&Out%28.1%26
TO Rate1.7%31
Penalty EPA10.725
Pass EPA0.14117
Rush EPA0.01910
xRY Allowed0.00100
RYOE Allowed0.0074
YAC OEX Allowed0.0792
xYAC OEX Allowed0.0343

Core Efficiency - Defensive

0255075100Percentile2016Def EPA — Jim O'Neil0.083SF

Pass/Rush Splits - Defensive

YearRoleTeam% PassPass EPAPass Succ%Pass SOSxYAC OEXYAC OEX% RB RushRush EPARush Succ%Rush SOSxRYRYOE% QB RushQB Rush EPA
2016DCSFSF51.7%0.14147.1%0.0070.030.0744.3%0.01940.9%0.0270.000.004.0%0.088