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@jonleonard.bsky.social

Is Ben Johnson is right about completion % and win correlation? Completion % is #2. Weaker than TD rate, but points mean wins. So not shocking, but Ben’s onto something. Sack rate correlates about as strongly as turnover rate. Getting sacked is roughly as bad for wins as throwing picks. 1/2

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Following up on UDFAs and how they perform after rookie year. Only 37 of 990 UDFAs reached ≥200 career opportunities. RBs dominate this group: 21 of 37 successful UDFAs are running backs. WRs account for 13. Only 3 TEs including Taysom. Focusing on the top group only and career trajectory. 1/2

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990 undrafted skill players (503 WR, 243 RB, 244 TE) entered the league 2016-2025. Opportunities (rush+targets) were minimal. WR: 100+: 0 50-99: 4 0-49: 499 RB: 100+: 6 50-99: 13 0-49: 224 TE: 30+: 0 0-29: 244 RBs continue to get the most chances, followed by WR. Ignore UDFA TE rookies. 1/4

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Some teams seem to slow-roll the rookies while others throw them into the fire right away. Got a question from @badm00nrising.bsky.social that made me dig into it a bit. Long-ish thread... Starting by looking at the average usages by round and position. RBs get the most opp. (rush+targets) 1/13

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How sensitive to different coverages are QBs? Dataset: * 55 QBs qualified (≥400 attempts, ≥3 coverage types) across 2022-2025 * Against Cover 1, 2, 3, 4, 6, and Man The most consistent: Joe Burrow: +0.065 (Δ vs) Mac Jones: +0.119 Bo Nix: +0.138 Marcus Mariota: +0.162 Brock Purdy: +0.173 1/4

Just a bit of narrative validation investigation. Rushing QBs effect on primary RBs. 2016-2025 Qualifying QBs as those with 5+ rushing attempts per game. 56 RBs w/ mobile QBs vs 262 w/ pocket passers 323 team-seasons Most years show a bump in efficiency, but a loss in volume and receiving. 1/3

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Everyone’s favorite topic… OL Continuity! Consistent doesn’t mean good though. Jets had a ton of continuity and weren’t good. Green Bay used 12 different combos, 2nd-most in the NFL, but still had a top-3 EPA/play (0.106). Bills got the continuity and the production. Cleveland had neither. 1/3

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Getting better is a good thing. Above the diagonal is signal of that happening. This is first vs last season from 2021-2025 I’ll give Mike Evans a pass due to injury in 2025, I’ll get to that later. Shaheed also suffered, but chalk that up to switching teams. I’m expecting a 2026 rebound. 1/3

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2025 Fantasy Points Per Opportunity Starting with WR Boutte led the way, but is buried on the depth chart. Up next another guy on limited routes. Christian Watson could be really good if he stays healthy at 2.364 fantasy points per opp. Pierce and Coker are in interesting company... 1/3

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Tale of the tape between Loveland and Warren. Loveland’s slow start and missed time, volume goes Warren, but most of the rest goes Loveland. If you split Warren’s year into weeks 1-7 vs the rest though, it gets a lot closer, with Warren leading in some categories. Which Warren do we get in 2026?

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How much impact do position groupings have at the goal line? Across 2022-2025 10,299 offensive plays after filtering out FG/XP/no-play League TD rate: 29.2% Teams had highest TD rate when going with heavier packages. Having a single WR on the field, dropped the TD rate ~10 percentage points. 1/3

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2025 JAX WRs Breakdown The offense changed dramatically throughout the year. Here's how usage shifted across 4 phases. BTJ: 14 games (missed Wk 8, 11–12 ankle) Meyers: 9 games (JAX only, Wk 10–18) P. Washington: 15 games (full season) Hunter: 7 games (missed Wk 8–18 knee) 1/4

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Took a look at Play Action / Motion / Shotgun effects. For the sake of relevance and shifting league tendencies I used 2022-2025 regular season qb plays. 85,701 pass plays 3,699 qb rush plays Details in thread 🧵 1/4

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# Downs '21-25 3rd Most: CLE (1,295), NYG (1,288), LAC (1,278), HOU (1,267), TB (1,263) Least: SF (1,092), SEA (1,115), GB (1,124), MIA (1,129), BAL (1,131) 17% gap 4th Most: CLE (757), NYG (737), NYJ (732), CAR (728), HOU (725) Least: BUF (520), SF (528), KC (537), GB (583), LA (594) 39% gap 1/2

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#SFB16 How repeatable are the big plays/games? 100+ yd game (r=0.635) 10 straight years of YoY correlation above 0.58. This means if a player had a 100+ yd game in 2025, there's a great chance he does it in 2026. 20+ yd rec's (r=0.505) 300+ yd passing (r=0.449) Don't build around the rest. 1/4

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