SF 49ERS

Defensive Line Depth & Injury Impact Simulator

Breaking News Source: @AdamSchefter per HC Kyle Shanahan Date: September 9, 2026
“49ers DT Alfred Collins tore his patellar tendon at Monday’s practice and is out for the season, per HC Kyle Shanahan.”
Status Roster Impact Model Synchronized Personnel rotation calibrated
Total Displaced Snaps 32 DT snaps/game displaced
Combined Pressure Rate 8.4% Weighted backup pass rush grade
Projected Run Defense Delta -4.2% Interior run-stop win rate impact

Snap Share Allocation

Reallocate Collins' 32 snaps between rotation candidates
Interactive
Alfred Collins (DT #95) • OUT
Injury: Patellar tendon tear • Baseline Snaps: 32/game
Rotation Option A Exp: 3 Yrs • PR Grade: 68.4
55%
Projected Snaps: 17.6 Target: Interior 3-Tech
Rotation Option B Exp: 1 Yr • PR Grade: 59.2
45%
Projected Snaps: 14.4 Target: 1-Tech / Nose
Presets:

        

Defensive Rotation Distribution & Efficiency

Real-time D3.js snap reallocation breakdown

Historical Patellar Tendon Recovery Timelines (NFL DL)

Recovery Milestone Avg. Duration Performance Projection Historical Retention
Surgical Repair & Immobilization 0 - 6 Weeks Non-weight bearing stage 100% Protocol
Functional Strength & Eccentric Loading 3 - 6 Months Quadriceps mass rebuilding 88% Progression
NFL Return-to-Play Window 9 - 12 Months Sub-baseline explosiveness initial 6 wks ~72% Active Roster Rate
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