Introducing Actual Opportunity — every fantasy contribution in one number

Scott Barrett introduces a stat to capture everything a player offers for fantasy in one number.

| 2 months ago
(Tom Szczerbowski/Getty Images)

(Tom Szczerbowski/Getty Images)

Introducing Actual Opportunity — every fantasy contribution in one number


I like to imagine that every individual in every career dreamed of doing as a child exactly what they’re doing today. A young Tom Brady, of course, would have dreamed of leading his team to an overtime victory in the Super Bowl. My dentist would have sat in elementary school dreaming of scraping my teeth as exactly as possible. A 9-year-old future pope would sit on his bedroom floor before a crowd of stuffed animals imagining he was giving the sermon of a lifetime.

I have wanted to be a full-time fantasy sports analyst for a number of years now, and from the start, I’ve always dreamed of creating the perfect fantasy football metric. I’m not sure if such a statistic actually exists, but the statistic I came up with last year known as “Actual Opportunity” might be the closest I’ll ever come:

*Reclines into my leather chair, swirls glass of whiskey, and puts down corn-cob pipe*

What if I told you, there was a statistic than combined all of your favorite stats (targets, air yards, rushing attempts, goal-line opportunities, red-zone opportunities, end-zone opportunities) into one and was more predictive year-over-year than fantasy points?

Actual Opportunity – an introduction

Here was my thought process that led to the development of this new metric.

For receivers, raw targets, with their 0.954 correlation to PPR fantasy points among wide receivers year-over-year, is the obvious starting point. From there, we need to look at the value of each target. First, and most importantly, on what line of scrimmage was this receiver’s quarterback when he was snapping the ball. Intuitively, the closer to the end zone, the more valuable the target for fantasy (the higher-likelihood the receiver has of scoring). The metrics bear this out.

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Beyond this, not all targets at the same line of scrimmage are actually worth the same. Targets with a higher depth of target have a higher expected value. For two important reasons, a ball thrown three yards from the line of scrimmage is worth less than one thrown 25 yards through the air. Although the expected catch rate is lower the farther the quarterback has to throw the ball, if caught, this receiver will have a 22-yard advantage (2.2 PPR fantasy points) and will be 22 yards closer to the end zone than the receiver seeing a target three yards out. This advantage outweighs the lower expected catch rate.

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With running backs too, not all carries are worth the same. Like with receivers, the closer you are to the end zone when granted a carry, the more fantasy points you’re likely to score.

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Yes, you’re reading this chart correctly. Red-zone rushing attempts, when that carry is between 10 and 20 yards from the red zone, are almost wholly irrelevant. Our own Jeff Ratcliffe has done some tremendous work highlighting the importance of the distinction in his article on “Green Zone” rushing attempts.

Furthermore, a runner’s down and distance play a major role in expected fantasy points. If two running backs get the ball on the 50-yard line, the one rushing on first-and-15 will be more likely to outscore the running back rushing on fourth-and-1. The latter running back is at a disadvantage considering the opposing defense is likely predicting a run and will have more defenders stacked in the box.

Actual Opportunity calculates all of these important disparate factors to determine which players have the best “actual opportunity” for fantasy purposes over the course of a season or in any given week. We do this by looking at a 10-season sample and calculating the value of each target at each depth (air yards) and each line of scrimmage. For runners we look at each carry at each line of scrimmage at each down and distance. When we total these two numbers, we can see their Actual Opportunity for the season, or how many fantasy points the average player would have scored if given the same opportunity. We can also see how these players performed for fantasy purposes above or below their expectation.

As many fantasy football studies have shown, opportunity is more stable and predictive year or over year than any efficiency numbers. That is also true with Actual Opportunity – year-over-year being more predictive than raw PPR fantasy numbers. This should help us immensely for our 2017 redraft and week-to-week DFS projections — where we can project a player’s opportunity and then adjust it based on that player’s historical levels of efficiency. Look for Actual Opportunity in season as a regular column.

Looking at raw Actual Opportunity numbers, we can see which players – if we can expect similar roles in 2017 – are likely finish atop fantasy leaderboards. If we look at Actual Opportunity in terms of efficiency, we can see which players may be likely to fall back down to earth, or might be due for some positive regression in 2017.

Without further ado, here are 2016’s leaders by each position in Actual Opportunity per Game. The charts below will be supplemented by a more in-depth writeup on each position — different numbers and players that popped out to me from 2016 and what this might mean for 2017 fantasy drafts — as they go live throughout this week. Check back Monday for the writeup on running backs.

Notes: For NFL standards, my data is very robust – using a 10-year sample size – but in some occasions very rare instances a carry or target were bucketed into a larger sample. All references to Actual Opportunity and fantasy points are in terms of PPR scoring. In order to qualify for the charts below, a player needed to play in at least six games.

Running backs

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Wide receivers

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Tight ends

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Scott Barrett is our Senior Fantasy Analyst and one of the main hosts of our Fantasy Slant podcast.

  • jimmy matsler

    Very nice analysis that is actually comprehensible as opposed to the descriptions of some metrics.

  • orangeman

    Where’s Tyler Eifert? Am I missing something?