Few fantasy football lineup decisions are harder to make—or more critical to nail—than knowing what to do at the flex spots.
Drop even the slightest bit down from the NFL's elite ranks at running back, wide receiver and tight end, and you'll encounter plenty of volatility. These players can post monster stat lines, but they can also sink your week when they go cold.
Let's try to get you on the right side unpredictability with a look at our top rankings and favorite sleeper at each of the three flex positions.
Running Back
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Top 20
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