Science of Fantasy Football Lab
Workload Effects on NFL Running Back Touches and Fantasy Points – Deep ANOVA and Tukey HSD Analysis of Touch Volume Thresholds (2010–2025)
Abstract
High single-season touch volumes for NFL running backs are strongly associated with next-year declines in both opportunity and fantasy production. This enhanced 15-year study applies one-way ANOVA and comprehensive Tukey HSD post-hoc tests across six workload bins. Results confirm a statistically significant negative dose-response relationship, with the heaviest workloads showing the sharpest declines in touches and fantasy points.
Methods
Data aggregated from historical leaderboards and year-over-year studies.
Groups defined by regular-season touches (rushes + receptions):
G1: 370+
G2: 350–369
G3: 330–349
G4: 300–329
G5: 270–299
G6: 240–269
Metrics: % change in next-year touches and PPR-style fantasy points. One-way ANOVA + full Tukey HSD (α = 0.05).
Fantasy Touches Declines
Figure 1: Touch Levels Last Year vs Change in Touch Levels This Year (Color-Coded Summary)
Figure 2: Bar Graph – Change in Touch Levels This Year vs Last Year’s Touch Levels in RBs (2010–2025)
Figure 3: ANOVA/Tukey Output for Last Year’s Touch Groups vs Next-Year Touches (2010–2025)
Fantasy Points Regression
Figure 4: Groups Last Year vs Fantasy Points Next Year (Color-Coded Summary)
Figure 5: Bar Graph – Last Year’s Touch Groups vs Fantasy Points Next Year Patterns (2010–2025)
Figure 6: ANOVA/Tukey Output for Last Year’s Touch Groups vs Fantasy Points Next Year (2010–2025)
The color-coded tables and bar graphs clearly illustrate a steep negative gradient: higher previous-season touches lead to larger declines the following year in both touches and fantasy points.
Extreme workloads (370+) suffer the biggest regression (~32% drop in touches, ~35% drop in fantasy points).
Moderate volumes (240–329) are far more sustainable.
The provided figures and Tukey tables beautifully illustrate this gradient, with extreme workloads (350/370+) carrying the highest risk.
Note G1 and G2 are not significantly different and should be considered the same. (350/370+)
The integrated figures and tables provide compelling visual and statistical evidence of a strong negative dose-response. High-touch seasons (especially 350+) consistently lead to major drops in both opportunity and fantasy production the following year. This workload penalty is one of the most reliable patterns in NFL RB analysis and directly impacts fantasy valuation.
Light red (high regression risk)
Christian McCaffrey (SF, 413 – G1)
Jonathan Taylor (IND, 369 – G2)
Bijan Robinson (ATL, 366 – G2)
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Green (more sustainable):
Jahmyr Gibbs (DET, ~320 – G4)
De’Von Achane (MIA, ~305 – G4)
Breece Hall (NYJ, ~279 – G5)
Kenneth Walker III (SEA, ~252 – G6)
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Practical Recommendation:
Use these visuals and statistical tables when evaluating 2026 RBs.
Avoid over-investing in backs coming off 350+ touch seasons unless they have exceptional mitigating factors (youth, elite offensive line, strong scheme).