NFL Lineup Optimizer
Cap-legal DraftKings Classic lineups off our weekly projections. Stack a quarterback with his receivers, lock or fade anyone, and export straight to DraftKings.
- QB＋ tap a player to add
- RB＋ tap a player to add
- RB＋ tap a player to add
- WR＋ tap a player to add
- WR＋ tap a player to add
- WR＋ tap a player to add
- TE＋ tap a player to add
- FLEX＋ tap a player to add
- DST＋ tap a player to add
How the NFL DFS lineup optimizer works
Nine slots, $50,000. The solver is exact — it searches every cap-legal combination rather than filling slots greedily, so the lineup it returns is the highest-projecting one available, not a good guess. Ask for several and each one stacks a different quarterback, which is where real variety comes from; re-rolling the same solve just returns the same lineup.
The projections underneath are the ones on our player prop boards, from a drive-level simulation of every game. We grade them in the open and say where we have no edge — the prop markets came back projections-only, and that is published rather than buried.
The book toggle at the top is not a display switch. DraftKings is full PPR and FanDuel is half, and DraftKings pays 3-point bonuses at 100 rushing or receiving yards where FanDuel pays none — so switching re-solves against that book's own salaries AND its own scoring. A ten-catch slot receiver moves five points before a single yard, which is why a lineup ported straight across is rarely the right lineup. The NFL DFS guide has the full comparison.
NFL DFS optimizer — FAQ
What is the best free NFL lineup optimizer?
MatchWiz's NFL lineup optimizer is free and runs on our own weekly fantasy-point projections — the same numbers we grade against real box scores in the open, so you can check the track record instead of trusting a black box. It builds cap-legal DraftKings Classic lineups, supports QB stacking and bring-backs, player locks and excludes, and exposure limits across multiple lineups, then exports straight to a DraftKings CSV.
How does the DraftKings NFL Classic roster work?
Nine slots under a $50,000 cap: one QB, two RBs, three WRs, one TE, one FLEX and one team defense. The FLEX takes any running back, receiver or tight end. There is no kicker slot in Classic — DraftKings only rosters kickers in Showdown, its single-game format.
Does this work for FanDuel as well as DraftKings?
Yes, and the toggle at the top switches the whole board rather than just the label. FanDuel runs a $60,000 cap against DraftKings' $50,000, and scores half a point per reception where DraftKings scores a full one — plus DraftKings pays 3-point bonuses at 100 rushing or receiving yards and 300 passing yards that FanDuel doesn't. So switching re-solves against FanDuel's own salaries and our FanDuel-scored projections. One timing note: DraftKings publishes salaries we pull automatically, while FanDuel's slate is loaded once the week is set, usually midweek — until then the FanDuel tab reads TBD rather than showing numbers it doesn't have.
What is a QB stack, and should I use one?
Stacking means pairing a quarterback with his own pass-catchers. It works because their scores are the same event: a touchdown pass is points for both. That correlation raises a lineup's ceiling, which is what wins tournaments. A bring-back adds a player from the opposing team so the lineup still scores if the game turns into a shootout the other way. For cash games, correlation matters less and a straight points-max build is usually fine.
Where do the projections come from?
A drive-level simulation of each game, run thousands of times. It projects team plays and pass rate, splits the work across the players expected to dress, then draws each play's outcome. Every market it produces is graded against real results and published, including the ones where we have no edge on the market.
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Projections and salaries for research. Not betting advice. DraftKings is not affiliated with MatchWiz.