A superflex is a roster slot that, unlike a standard flex limited to running backs, receivers, and tight ends, can also be filled by a quarterback — which in practice means most managers start two QBs each week. It’s a single settings change with an outsized effect on how a league drafts.

The reason superflex reshapes strategy is scarcity. In a twelve-team league, starting two quarterbacks means up to twenty-four QB starting spots against a shallow supply of reliable ones, so passers that go undrafted in standard formats become weekly starters and the elite ones fly off the board in the first round.

For a commissioner, flipping a league to superflex is the highest-leverage way to make quarterbacks matter without touching the scoring system — which is why it’s one of the most common format tweaks in dynasty and keeper leagues.