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DFS Data Dive: Hunting the best stacks of Week 7

Miami Gardens, Florida, USA; Kansas City Chiefs wide receiver Tyreek Hill (10) celebrates his touchdown against the Miami Dolphins with quarterback Patrick Mahomes (15) during the second half at Hard Rock Stadium. Mandatory Credit: Jasen Vinlove-USA TODAY Sports

This analysis of DFS main-slate stacks is a variation of the methodology used in analyses on the single-game DraftKings showdown slates. It uses the combination of current projections, historical game results and similarity algorithms to simulate an upcoming game by looking back at the most similar historical matchups.

I’m taking the same outline and applying it instead to the DFS main slate by projecting the likelihood each team’s QB-WR, RB-DST, QB-WR-TE, QB-RB-WR stacks will be the highest-scoring of the slate. These are some of the most popular stack combinations employed in DFS strategy.

The information below is entirely in the form of plots and tables. If you’d like additional information and analysis on the same methodology broken out by position, please refer to the positional piece that also comes out every week.

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For each game on the DFS Sunday main slate, I looked through thousands of NFL matchups from 2014-2021 and found the closest analogies according to the following parameters: betting spread, over/under, average fantasy points scoring for the top-ranked positional players of both rosters (QB1, RB1, WR1, TE1).

Once I get the 75 most similar matchups for each upcoming game, I simulate the main slate 10,000 times by randomly choosing one of the 75 matchups for each game and then find the highest-scoring QB-WR, RB-DST, QB-WR-TE and QB-RB-WR stacks on the simulated slate.

Every match of historical and current games is not perfect, but the simulation allows us to smooth out the bumps and get a strong picture of how a slate of similar games would have played out.

The last step is totaling up the number of times a particular team shows up as the top stack for each of the three stacks projected and then dividing that number by the total simulations. That number is what I call “highest scoring %” on the y-axis of the plots below labeled by team logo. Below the plots by team, I join the highest projected players that make up the stacks for that team and list their projected fantasy points and salaries for DraftKings and FanDuel.


Each plot below has every team on the main slate positioned by the combined salary of the stack and the percentage of time that team’s stack was the highest scorer in the simulations.

A way to look at them is that anything above the dashed horizontal line is a good scoring stack, and anything to the right of the dashed vertical line is a high-priced stack. You should pay most attention to the upper-right (high-scoring and high-priced) and upper-left (high-scoring and low-priced) quadrants. Ideally, you’ll find something in the upper-left that you’re confident in, but often paying up and moving into the upper-right can be beneficial.


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