Fernando Mendoza holds a 29.7% edge in Superflex dynasty value.Updated 9/18/2026
Mendoza is the clear dynasty bet: 22.8 with a 28.6% Superflex market edge means you’re paying for long runway and potential value insulation. If he hits even as a mid-tier NFL starter, the age curve and positional scarcity can compound his value quickly in SF. Vegas is also a spot where a young QB can get extended opportunity if the organization commits, and you want to roster the player whose price can still rise materially.
Darnold is the better short-term points profile if he opens the season as the starter, because usable QB weeks in Superflex are worth real wins. At 29.2, his value is capped—any slip in play or job security can erase his trade market fast. Seattle’s ecosystem can buoy efficiency, but he’s still a year-to-year asset rather than a cornerstone.
Lean Darnold if you need immediate QB2 production to chase a title; otherwise take the Mendoza value gap.
Take Mendoza—age and upside-to-price are the whole game in a rebuild, and Darnold doesn’t fit the timeline.
Mendoza by the number (28.6%) unless your roster specifically needs Darnold starts in the next 6–10 weeks.
Worth more?
Fernando Mendoza is worth more in dynasty Superflex based on the 28.6% gap and age-based value insulation.
Trade?
Contenders can flip Mendoza for Darnold plus a sweetener; rebuilders should do the opposite and add Mendoza where possible.
Superflex?
In SF, starting QBs spike weekly win probability, but long-term value still favors Mendoza unless Darnold is locking in your second starter.
See exactly what Fernando Mendoza and Sam Darnold are worth side-by-side in our Trade Calculator.
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