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Most undervalued quarterbacks according to the 2021 PFF fantasy football projections

Nashville, Tennessee, USA; Baltimore Ravens quarterback Lamar Jackson (8) picks up a first down during the Tennessee Titans game against the Baltimore Ravens. Mandatory Credit: George Walker/The Tennessean via USA TODAY Sports

PFF's fantasy team has been working tirelessly to produce our fantasy rankings and fantasy projections, which leverage the modeling capabilities of Eric Eager and our research and development team. This series of articles will go through the top fantasy players by best ball ADP at Underdog Fantasy and compare their relative positional value against our half-PPR projections. This analysis focuses on the quarterback position.

It’s not intuitive, but projections and rankings aren’t interchangeable. Each provides valuable insight, but they are calculated through different methods. Our projections are based on a combination of model-based efficiency projections and analyst-informed share assumptions. Rankings and ADP are informed by projections, but they combine more opaque effects like upside, floor and contingency value that are more difficult to model into projections.

While acknowledging that projections aren’t a substitute for rankings, I’ve translated our projections into positional rankings for comparison with best-ball ADP ranks in this piece. Projections aren’t necessarily better when it comes to ranking players, but they aren’t as influenced by market sentiment and can be a more independent view of player value.

Below, I’ve visualized the top 48 fantasy wide receivers by current Underdog ADP, contrasting their ranks with PFF projections. Often, our projections agree about the valuation of players relative to ADP, identifying players who should be prioritized or faded in drafts. We also find some substantially misvalued players, and the visualization provides an easy way to judge the magnitude of the differences in rankings.

Click here for more PFF tools:

PFF Fantasy Draft Kit | PFF Betting Dashboard | PFF Fantasy Rankings
PFF Fantasy Projections
| NFL Premium Stats | Win Totals Tracker


The quarterbacks below are listed in order of positional ADP rank, with the blue points representing Underdog ADP and the red points marking the rank by PFF projections. When two or more measures fall on the same positional rank, the point's color will represent a mix. The lines between points illustrate the magnitude of the difference between the maximum and minimum ranking for each player.

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