4 Undervalued Foundation Backs: Can You Build Your Fantasy Teams Around These Out-of-Fashion RBs?
Image Credit: Andy Lewis/Icon Sportswire. Pictured: Miles Sanders.

Shawn Siegele looks at four potentially undervalued foundation backs and judges whether human or machine is right.

One of my favorite things about the RotoViz tools is the way they allow you to ask different questions and come at player value from different angles. When we use the Projection Machine, we can use the data on team tendencies, player histories, and teammate competition to craft accurate projections. When we use the Win the Flex tool, we get a feel for the number of points implied by ADP, which gives us a chance to exploit positional advantages in specific areas of the draft. By using the Range of Outcomes tool, we can calibrate our expectations for how players with a certain profile have performed in subsequent years.

As Ben Gretch and I have discussed in detail on Stealing Bananas, approaching your drafts from a single perspective will leave you overconfident in individual scenarios and building teams that chase a narrow path to victory.

In the Draft Tactics series, we’ve used the combination of the ROO and WTF to build a dominant roster from poor draft slots. In the Discount Player Series, we’ve used Expected Points from the RotoViz Screener and Weekly Stat Explorer to find far cheaper options for Austin Ekeler and Robert Woods.

Today we’ll be asking the question: Are the four foundation backs recommended by the ROO good targets for our 2021 drafts? We’ll break down the insights from history and compare them to team-level concerns that might cause drafters to shy away. Getting even a small discount on your RB1 can be the difference between winning and losing in fantasy.

Buy (Machine) or Sell (Human) These 4 Undervalued Foundation Backs?

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Shawn Siegele

Author of the original Zero RB article and 2013 NFFC Primetime Grand Champion. 11-time main event league winner. 2015, 2017, 2018 titles in MFL10 of Death.

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Shawn Siegele breaks down the movement post-NFL draft and provides his 2026 dynasty superflex rookie rankings. The pre-draft version of the rankings included detailed player blurbs on my top-40 prospects. In today’s exercise, I extend the rankings to a full four-round dynasty SF draft. Beyond those names, I discuss an additional 12 players, including a few priority UDFAs, who might be interesting to deep-league managers…...

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2026 NFL Cheat Sheet: Advanced Stat Profiles and Tiered Rankings of the Top 40 Prospects

Shawn Siegele dives into the prospect profiles for the 2026 NFL draft and ranks his top-40 fantasy prospects for dynasty superflex leagues. I’m very biased, of course, but I’m also proud of our dynasty content in recent seasons. If you’ve purchased the rookie guides and followed the Perpetual Reloading series, you’ve won a lot of titles in the FFPC RV TriFlex leagues and similar formats…....

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The Banana Stand: Ranking the Remaining Super Bowl Contenders in 6 Key Categories

Shawn Siegele breaks down all the remaining playoff teams for those participating in playoff contests or wanting to get a deeper feel for the reality tournament. This week’s exercise will be a bit different than last week’s contrarian takes. For the eight remaining teams, I’ve used the RotoViz tools, the deep trove of SIS data, and Blair’s matchup tool with a mix of regular and…...

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