Fantasy Football Flex Settings: How Commissioners Set Up FLEX and Superflex Roster Slots
FLEX and SUPERFLEX settings expand the positions that can fill a given lineup slot, which directly affects which positions are most valuable in the draft and how scarce different positions are across the league.
FLEX and SUPERFLEX Quick Reference
| Setting | Effect on draft strategy | Best for | Mistake to avoid |
|---|---|---|---|
| Standard FLEX (RB/WR/TE) | Adds 1 more skill-position starter; slightly deepens RB/WR/TE scarcity | Most redraft and dynasty leagues — it is the universal standard | Not explaining the FLEX slot to new managers — beginners often do not understand they need to fill a 4th skill position slot |
| WR/RB-only FLEX (no TE) | Increases TE scarcity — TEs cannot back-fill via FLEX | Leagues that want TEs to matter more at the starter level | Using this setting without changing TE scoring — a WR/RB-only FLEX without TE-premium scoring still does not incentivize great TE rostering |
| TE-FLEX (second TE slot) | Dramatically increases TE value — two TEs per roster become standard | Advanced leagues that want TE to be a meaningful positional decision | Introducing TE-FLEX in a beginner league — new managers do not understand the TE tier gap and often start worthless TEs in the second slot |
| SUPERFLEX (QB/RB/WR/TE) | Makes QBs round 1–3 picks; creates 2-QB format in practice | Dynasty leagues; experienced leagues that want QB to matter more | Adding SUPERFLEX mid-season or without a full league vote — it completely changes which rosters are competitive and must be voted in pre-season |
| QB/WR-only FLEX (no RB) | Very rare; reduces RB scarcity; increases WR and QB value | Experimental leagues only | Using non-standard FLEX in a new league with inexperienced managers — confusion about what starts where derails the season |
| Changing FLEX settings mid-season | Never — announce for next season only | Not applicable | Changing who is eligible for FLEX mid-season because “it seems more fair” — mid-season rule changes are always wrong; all managers drafted under the original rules |
Standard FLEX: RB/WR/TE
What it does. The standard FLEX slot allows a manager to start a running back, wide receiver, or tight end in that position. This increases the number of required starters at skill positions by one and slightly reduces the positional scarcity at WR and RB.
Effect on draft strategy. With a standard FLEX, the draft becomes deeper at WR and RB because 13 starters are now required instead of 12 (1 extra WR/RB/TE via FLEX). This makes the early rounds even more important for skill positions.
TE Premium FLEX
What it does. Some leagues restrict the FLEX to RB/WR — excluding TE. This increases TE scarcity since there is no FLEX slot where a TE can back-fill a missing starter. In other leagues, a TE-specific FLEX slot forces managers to start 2 TEs.
Effect on strategy. TE-premium formats dramatically increase the value of mid-tier TEs. Instead of one tight end with pass-catching production dominating the position, you need two TEs per roster. TE-premium and TE-FLEX formats are popular in more advanced leagues.
SUPERFLEX: QB/RB/WR/TE
What it does. SUPERFLEX adds a second starting slot that can be filled by any skill position — including quarterback. Since having two QBs start is typically the highest-scoring option, SUPERFLEX effectively creates a 2-QB format.
Effect on draft strategy. SUPERFLEX makes QBs dramatically more valuable. Instead of 12 managers needing 12 starting QBs, they need 24 (if everyone starts two QBs). QBs move from round 8–10 picks to round 1–3 picks. Draft strategy shifts entirely around securing two QBs early.
SUPERFLEX is most common in dynasty. Most redraft leagues use standard or no superflex. Dynasty leagues commonly use SUPERFLEX because it differentiates team-building over multiple years and increases the value of QB prospects.
For how FLEX settings connect to the overall scoring system, see: Fantasy Football Scoring Settings: How Commissioners Choose Between Standard, PPR, and Custom Formats.