Gemini 3.1 Pro

```json
{
  "qb": "3257",
  "rb": [
    "6813",
    "8228"
  ],
  "wr": [
    "5846",
    "5872"
  ],
  "te": "8130",
  "flex": "4199",
  "k": "7839",
  "def": "BAL",
  "headline": "Starting Deebo Samuel over Romeo Doubs to chase upside against the league's highest-scoring team.",
  "key_factors": [
    "Team A ranks 1st in the standings with 543.66 points_for and a season_ppg of 135.92, making me a clear underdog.",
    "Deebo Samuel offers higher upside with a season_ppg of 14.48 compared to Romeo Doubs's season_ppg of 11.08, justifying his start despite a slightly lower projection (10.02 vs 11.05).",
    "Lamar Jackson has an injury_status of Questionable and a projection of 0, requiring Jacoby Brissett (projection 18.06) to start at QB."
  ],
  "closest_call": "Romeo Doubs, and I would have started him if I were a heavy favorite needing to protect a floor based on his higher projection (11.05).",
  "what_would_change_it": "If Team A had a lower season_ppg and I was projected to win comfortably, I would have started Doubs for his higher floor projection.",
  "confidence": 0.4
}
```

You are a fantasy football manager running one team for a full season.
You commit to choices and back them with the data provided.

DATA RULE (highest priority):
Reason only from the RULEBOOK and the DATA block in this message. Do not
use your own memory of player performance, injuries, depth charts, teams,
or schedules. Your training data is out of date for this NFL season. If
the DATA block conflicts with what you remember, the DATA block is
correct. If a field is null, treat it as unknown.

RULES:
1. Score every option against the RULEBOOK scoring table, not against a
   generic notion of fantasy value.
2. Optimize for the OBJECTIVE stated in the RULEBOOK. Nothing else.
3. Weigh projection, recent form, matchup, and injury status.
4. Commit to a specific choice. No ranges, no hedging.
5. Ground every claim in a specific DATA or RULEBOOK field. Cite the field
   and its value. Do not assert anything the data does not support.
6. Name the decision you were least sure about and say what would have
   changed your mind.

OUTPUT RULE:
Return only a single JSON object matching the schema. No preamble, no
markdown, no code fences.

=== LEAGUE RULEBOOK rulebook-v3 ===

OBJECTIVE (this is what you are optimizing):
WIN THE LEAGUE. That is three things, in order:
  1. Win your weekly head-to-head matchup. Each week you are paired against
     exactly one other team. Whoever scores more points wins. A tie is a tie.
  2. Finish in the top 4 of 8 after week 14 to reach the playoffs.
     Seeding is head-to-head record; ties break on cumulative total points.
  3. Win the 2-week playoff bracket.
Nothing else ranks you. An ALL-PLAY record (your score compared against all
7 other teams each week) is also computed and published, but it does NOT
determine standings, seeding, or the title.

WHAT THIS MEANS FOR HOW YOU PLAY:
Because you face ONE opponent each week, the right decision depends on WHO
that opponent is and what they are likely to score.
  - Beating a projected total by 40 points is worth exactly as much as
    beating it by 1. Running up the score buys you nothing.
  - If you are a heavy underdog, a safe lineup loses. Higher-variance
    players give you a real chance at the outlier week you need.
  - If you are a heavy favorite, the opposite holds. Protect the floor.
  - A week you are very likely to lose is a week worth spending nothing on.
    Budget you keep is budget you can use on a week you can win.
  - Late in the season, what matters is not points but qualifying. Know
    where you stand and what you need.
These are your judgments to make. We do not tell you your win probability;
you are given your opponent's roster and scoring history and are expected
to form your own view.

TEAMS: 8. You are one of them, and you are told which one.
Other teams appear under stable anonymous labels (for example "Team C")
which do not change all season. You are shown their rosters and their
completed results. You are NOT shown their lineup for the current week
before it locks, their reasoning, or which AI model any of them is.

SEASON: NFL weeks 1-14, then playoffs in weeks 15-16.
Every team plays every other team exactly twice over the 14 weeks.

PLAYOFFS:
The top 4 seeds advance. Week 15: seed 1 plays seed 4, seed 2 plays seed 3.
Week 16: the winners meet for the title and the two losers
play for third. Week 17 is not played.
A playoff game cannot end in a tie: if the scores are exactly level, the
HIGHER SEED advances. In the regular season a tie is a tie; here it is not.
When the regular season ends, EVERY player on the 4 eliminated teams is
released into a free-agent pool, and the 4 surviving teams bid their
remaining budget on them in one final waiver run. Budget you did not
spend during the season is what buys you a playoff roster.

ROSTER (15 players):
Starters (9): 1 QB, 2 RB, 2 WR, 1 TE, 1 FLEX, 1 K, 1 DEF
  FLEX may be RB, WR, TE.
Bench: 6. Bench players score nothing.
There are no IR slots. An unfilled starting slot scores 0.

SCORING (per player, per week):
  Passing yards ........... 0.04 each  (1 per 25)
  Passing TD .............. 4
  Interception thrown ..... -1
  Rushing yards ........... 0.1 each   (1 per 10)
  Rushing TD .............. 6
  Reception ............... 1.0        (FULL PPR)
  Receiving yards ......... 0.1 each   (1 per 10)
  Receiving TD ............ 6
  Fumble lost ............. -2
  2-point conversion ...... 2
  Kicker: FG 0-39 = 3, FG 40-49 = 4, FG 50+ = 5, extra point = 1
  DEF/ST: sack 1, interception 2, fumble recovery 2, safety 2,
          blocked kick 2, defensive TD 6, special-teams TD 6
  DEF/ST points allowed: 0 = 10, 1-6 = 7, 7-13 = 4, 14-20 = 1,
          21-27 = 0, 28-34 = -1, 35+ = -4
  A kick-return or punt-return touchdown is credited to the DEF/ST unit that
  scored it, NOT to the individual returner. One return TD is worth exactly
  6 points in this league.

BUDGET (one budget, two uses):
You start with $100. It never replenishes and must last the whole season.
  1. Before the draft you bid from it for your draft slot.
  2. Whatever remains is your FAAB budget for weekly waiver claims.
Spending on draft position directly reduces your ability to add players
later. That tradeoff is yours to price.

DRAFT: 15-round snake, 8 teams, one player per round.
From round 13, if you still have no player at a required starting position
(RB/WR/TE/QB/K/DEF), your available pool is narrowed to only the positions
you still need, and you will be told this has happened.

WAIVERS (weekly):
Sealed bids. Highest bid wins a player; ties break on waiver priority
(seeded in reverse draft-slot order; a successful claim drops you to the
bottom). Your roster is always exactly 15, so every add requires a drop.
A $0 bid is legal. Bidding nothing at all is legal.

NOT AVAILABLE THIS SEASON: trades, IR slots, open free agency between
waiver runs, and roster moves at any time other than the weekly waiver
window.
=== END RULEBOOK ===

=== YOUR MEMORY ===

YOUR PRE-SEASON GAMEPLAN (written by you in August):
  (not yet written)

YOUR TEAM:
  Roster (15/15): Jayden Reed (WR), Emeka Egbuka (WR), Jacoby Brissett (QB), Aaron Jones (RB), Lamar Jackson (QB), DK Metcalf (WR), Deebo Samuel (WR), Jonathan Taylor (RB), DeVonta Smith (WR), Travis Etienne (RB), Evan McPherson (K), Romeo Doubs (WR), Trey McBride (TE), Jaylen Warren (RB), Baltimore Ravens (DEF)
  FAAB remaining: $59
  Record: 10-18 all-play, 471.08 points, 6th of 8

YOUR LAST 3 DECISIONS OF THIS TYPE:
  Week 4: Starting Deebo Samuel in the FLEX over DK Metcalf to chase higher upside as an underdog against the highest-scoring team in the league.
    Closest call: Deebo Samuel, and I would have started DK Metcalf if I were a heavy favorite needing to protect a floor based on Metcalf's slightly higher projection.
  Week 3: Starting Travis Etienne in the FLEX over DK Metcalf to maximize projected points in a near dead-heat matchup.
    Closest call: DK Metcalf
  Week 2: Starting Lamar Jackson and a balanced lineup despite being a slight underdog to Team B.
    Closest call: Starting Travis Etienne over Jayden Reed in the FLEX spot.

SEASON TO DATE: Through week 4: 6th of 8 on all-play at 10-18, 471.1 total points.
=== END MEMORY ===

=== DATA ===

{"league":{"field_notes":{"injury_detail":"injury_detail is copied verbatim from the league's player feed: body_part, notes, since (the date the feed says the injury began) and practice / practice_note (participation, when reported). injury_status alone does not distinguish a minor injury from a serious one; injury_detail is the only severity information in this block, and it is not graded — judging what it implies is your call. The DATA RULE forbids recalling what happened to a specific player from memory; it does not forbid general knowledge of what an injury type usually means. The feed rarely reports practice participation, so a null practice field means \"not reported\", never \"practised fully\". injury_detail is null when the feed has nothing beyond injury_status."},"matchups":[{"away":"Team H","home":"Team A"},{"away":"Team B","home":"Team C"},{"away":"Team G","home":"Team D"},{"away":"Team F","home":"Team E"}],"nfl_teams_on_bye":["CAR","KC"],"phase":"regular_season","playoff_spots":4,"ranking_basis":"h2h","regular_season_weeks":14,"standings":[{"label":"Team A","points_for":543.66,"rank":1,"record":"3-1"},{"label":"Team E","points_for":562.5,"rank":2,"record":"2-2"},{"label":"Team G","points_for":512.76,"rank":3,"record":"2-2"},{"label":"Team D","points_for":478.14,"rank":4,"record":"2-2"},{"label":"Team F","points_for":475.34,"rank":5,"record":"2-2"},{"label":"Team H","points_for":471.08,"rank":6,"record":"2-2"},{"label":"Team B","points_for":455.96,"rank":7,"record":"2-2"},{"label":"Team C","points_for":479.7,"rank":8,"record":"1-3"}],"week":5,"weeks_remaining":10},"you":{"faab_remaining":59,"flex_eligible":["RB","WR","TE"],"lookahead":[{"label":"Team G","record":"2-2","season_ppg":128.19,"week":6},{"label":"Team D","record":"2-2","season_ppg":119.54,"week":7},{"label":"Team F","record":"2-2","season_ppg":118.84,"week":8}],"opponent":{"label":"Team A","record":"3-1","roster":[{"injury_detail":null,"injury_status":null,"is_on_bye":false,"last3_ppg":17.94,"name":"Bo Nix","nfl_team":"DEN","player_id":"11563","position":"QB","projection":17.36,"season_ppg":15.07},{"injury_detail":{"body_part":"Undisclosed","notes":"Soreness","practice":null,"practice_note":null,"since":null},"injury_status":"Questionable","is_on_bye":false,"last3_ppg":10.63,"name":"Malik Nabers","nfl_team":"NYG","player_id":"11632","position":"WR","projection":14.09,"season_ppg":11.2},{"injury_detail":null,"injury_status":null,"is_on_bye":false,"last3_ppg":6.7,"name":"Colston Loveland","nfl_team":"CHI","player_id":"12517","position":"TE","projection":9.61,"season_ppg":5.03},{"injury_detail":null,"injury_status":null,"is_on_bye":true,"last3_ppg":21.33,"name":"Tetairoa McMillan","nfl_team":"CAR","player_id":"12526","position":"WR","projection":0,"season_ppg":18.63},{"injury_detail":null,"injury_status":null,"is_on_bye":false,"last3_ppg":13,"name":"Carnell Tate","nfl_team":"TEN","player_id":"13279","position":"WR","projection":11.87,"season_ppg":11.7},{"injury_detail":{"body_part":"Ankle","notes":null,"practice":null,"practice_note":null,"since":null},"injury_status":"Questionable","is_on_bye":false,"last3_ppg":11.97,"name":"Jeremiyah Love","nfl_team":"ARI","player_id":"13287","position":"RB","projection":12.6,"season_ppg":12.23},{"injury_detail":null,"injury_status":null,"is_on_bye":false,"last3_ppg":18.5,"name":"Derrick Henry","nfl_team":"BAL","player_id":"3198","position":"RB","projection":17.94,"season_ppg":22.7},{"injury_detail":null,"injury_status":null,"is_on_bye":false,"last3_ppg":9.33,"name":"Ka'imi Fairbairn","nfl_team":"HOU","player_id":"3451","position":"K","projection":9.1,"season_ppg":9.25},{"injury_detail":null,"injury_status":null,"is_on_bye":false,"last3_ppg":7.8,"name":"Chris Godwin","nfl_team":"TB","player_id":"4037","position":"WR","projection":9.92,"season_ppg":7.93},{"injury_detail":{"body_part":"Undisclosed","notes":null,"practice":null,"practice_note":null,"since":null},"injury_status":"Questionable","is_on_bye":false,"last3_ppg":5.1,"name":"DJ Moore","nfl_team":"BUF","player_id":"4983","position":"WR","projection":9.59,"season_ppg":9.07},{"injury_detail":null,"injury_status":null,"is_on_bye":false,"last3_ppg":15.1,"name":"Jalen Hurts","nfl_team":"PHI","player_id":"6904","position":"QB","projection":15.68,"season_ppg":17.51},{"injury_detail":{"body_part":"Thumb","notes":"Surgery","practice":null,"practice_note":null,"since":null},"injury_status":"IR","is_on_bye":false,"last3_ppg":0,"name":"Jordan Mason","nfl_team":"MIN","player_id":"8408","position":"RB","projection":0,"season_ppg":2.98},{"injury_detail":null,"injury_status":null,"is_on_bye":false,"last3_ppg":27.47,"name":"Jahmyr Gibbs","nfl_team":"DET","player_id":"9221","position":"RB","projection":25.72,"season_ppg":29},{"injury_detail":null,"injury_status":null,"is_on_bye":false,"last3_ppg":8.8,"name":"Brenton Strange","nfl_team":"JAX","player_id":"9480","position":"TE","projection":9.65,"season_ppg":9.18},{"injury_detail":null,"injury_status":null,"is_on_bye":false,"last3_ppg":14,"name":"Minnesota Vikings","nfl_team":"MIN","player_id":"MIN","position":"DEF","projection":8.58,"season_ppg":12.5}],"score_volatility":21.54,"season_ppg":135.92,"weekly_scores":[147.02,100.56,138.32,157.76]},"playoff_round":null,"slots":{"DEF":1,"FLEX":1,"K":1,"QB":1,"RB":2,"TE":1,"WR":2},"standing":{"games_back_of_cutoff":0,"playoff_spots":4,"points_for":471.08,"table":[{"label":"Team A","points_for":543.66,"rank":1,"record":"3-1"},{"label":"Team E","points_for":562.5,"rank":2,"record":"2-2"},{"label":"Team G","points_for":512.76,"rank":3,"record":"2-2"},{"label":"Team D","points_for":478.14,"rank":4,"record":"2-2"},{"label":"Team F","points_for":475.34,"rank":5,"record":"2-2"},{"label":"Team H","points_for":471.08,"rank":6,"record":"2-2"},{"label":"Team B","points_for":455.96,"rank":7,"record":"2-2"},{"label":"Team C","points_for":479.7,"rank":8,"record":"1-3"}],"weeks_remaining":10,"your_label":"Team H","your_rank":6,"your_record":"2-2"},"startable_player_ids":["12514","3257","4199","4881","5846","5872","6813","7525","7839","8121","8130","8228","BAL"],"waiver_priority":6,"your_label":"Team H","your_record":"2-2","your_roster":[{"injury_detail":{"body_part":"Neck","notes":"Surgery","practice":null,"practice_note":null,"since":null},"injury_status":"IR","is_on_bye":false,"last3_ppg":2.13,"name":"Jayden Reed","nfl_team":"GB","player_id":"10222","position":"WR","projection":0,"season_ppg":2.13},{"injury_detail":null,"injury_status":null,"is_on_bye":false,"last3_ppg":8.27,"name":"Emeka Egbuka","nfl_team":"TB","player_id":"12514","position":"WR","projection":10.12,"season_ppg":9.02},{"injury_detail":null,"injury_status":null,"is_on_bye":false,"last3_ppg":15.51,"name":"Jacoby Brissett","nfl_team":"ARI","player_id":"3257","position":"QB","projection":18.06,"season_ppg":15.76},{"injury_detail":null,"injury_status":null,"is_on_bye":false,"last3_ppg":13.83,"name":"Aaron Jones","nfl_team":"MIN","player_id":"4199","position":"RB","projection":14,"season_ppg":12.88},{"injury_detail":{"body_part":"Ankle","notes":null,"practice":null,"practice_note":null,"since":null},"injury_status":"Questionable","is_on_bye":false,"last3_ppg":18.37,"name":"Lamar Jackson","nfl_team":"BAL","player_id":"4881","position":"QB","projection":0,"season_ppg":20.02},{"injury_detail":null,"injury_status":null,"is_on_bye":false,"last3_ppg":11.77,"name":"DK Metcalf","nfl_team":"PIT","player_id":"5846","position":"WR","projection":13.04,"season_ppg":10.83},{"injury_detail":null,"injury_status":null,"is_on_bye":false,"last3_ppg":13.3,"name":"Deebo Samuel","nfl_team":"SF","player_id":"5872","position":"WR","projection":10.02,"season_ppg":14.48},{"injury_detail":null,"injury_status":null,"is_on_bye":false,"last3_ppg":20.37,"name":"Jonathan Taylor","nfl_team":"IND","player_id":"6813","position":"RB","projection":19.03,"season_ppg":21.55},{"injury_detail":{"body_part":"Hamstring","notes":null,"practice":null,"practice_note":null,"since":null},"injury_status":"Questionable","is_on_bye":false,"last3_ppg":16.17,"name":"DeVonta Smith","nfl_team":"PHI","player_id":"7525","position":"WR","projection":0,"season_ppg":16.17},{"injury_detail":{"body_part":"Hamstring","notes":"Strain","practice":null,"practice_note":null,"since":null},"injury_status":"IR","is_on_bye":false,"last3_ppg":5.37,"name":"Travis Etienne","nfl_team":"NO","player_id":"7543","position":"RB","projection":0,"season_ppg":7.73},{"injury_detail":null,"injury_status":null,"is_on_bye":false,"last3_ppg":9.33,"name":"Evan McPherson","nfl_team":"CIN","player_id":"7839","position":"K","projection":8.54,"season_ppg":11.75},{"injury_detail":null,"injury_status":null,"is_on_bye":false,"last3_ppg":14.77,"name":"Romeo Doubs","nfl_team":"NE","player_id":"8121","position":"WR","projection":11.05,"season_ppg":11.08},{"injury_detail":null,"injury_status":null,"is_on_bye":false,"last3_ppg":14.9,"name":"Trey McBride","nfl_team":"ARI","player_id":"8130","position":"TE","projection":18.06,"season_ppg":17.3},{"injury_detail":null,"injury_status":null,"is_on_bye":false,"last3_ppg":15.3,"name":"Jaylen Warren","nfl_team":"PIT","player_id":"8228","position":"RB","projection":15.19,"season_ppg":14.05},{"injury_detail":null,"injury_status":null,"is_on_bye":false,"last3_ppg":4.33,"name":"Baltimore Ravens","nfl_team":"BAL","player_id":"BAL","position":"DEF","projection":7.13,"season_ppg":4.75}]}}

=== END DATA ===

Set your starting lineup for this week. Name one player_id for every slot: qb, two rb, two wr, te, flex (RB/WR/TE), k, def. Every id must come from your_roster and must appear in startable_player_ids — a player on bye or ruled out cannot score. No player may fill two slots.

If you have NO startable player eligible for a slot, set it to null. That is a legal answer and it scores 0 for that slot, shown publicly as an empty slot. Do not invent an id and do not put an ineligible player there. But null is only accepted when nothing eligible is left — leaving a slot empty while a startable player sits on your bench is rejected, and the deterministic fallback lineup replaces your whole answer.

CONFIDENCE means one specific thing here: your probability that this lineup OUTSCORES your opponent this week. 0.5 is a coin flip, 0.8 means you expect to win four weeks out of five in this matchup, 0.2 means you expect to lose four out of five. It is not how sure you are that you picked the right players. We never tell you our own estimate — form your own from the opponent roster and scoring history you have been given. These numbers are scored against actual results and published.

Return exactly this JSON shape and nothing else:

{
  "qb": "player_id",
  "rb": [
    "player_id",
    "player_id"
  ],
  "wr": [
    "player_id",
    "player_id"
  ],
  "te": "player_id",
  "flex": "player_id",
  "k": "player_id",
  "def": "player_id or null if nothing eligible remains",
  "headline": "One sentence naming the call you actually made.",
  "key_factors": [
    "cites a DATA field and value",
    "..."
  ],
  "closest_call": "The starter you nearly benched, and what would have made you.",
  "what_would_change_it": "One sentence.",
  "confidence": 0.5
}

{
  "k": "7839",
  "qb": "3257",
  "rb": [
    "6813",
    "8228"
  ],
  "te": "8130",
  "wr": [
    "5846",
    "5872"
  ],
  "def": "BAL",
  "flex": "4199",
  "headline": "Starting Deebo Samuel over Romeo Doubs to chase upside against the league's highest-scoring team.",
  "confidence": 0.4,
  "key_factors": [
    "Team A ranks 1st in the standings with 543.66 points_for and a season_ppg of 135.92, making me a clear underdog.",
    "Deebo Samuel offers higher upside with a season_ppg of 14.48 compared to Romeo Doubs's season_ppg of 11.08, justifying his start despite a slightly lower projection (10.02 vs 11.05).",
    "Lamar Jackson has an injury_status of Questionable and a projection of 0, requiring Jacoby Brissett (projection 18.06) to start at QB."
  ],
  "closest_call": "Romeo Doubs, and I would have started him if I were a heavy favorite needing to protect a floor based on his higher projection (11.05).",
  "what_would_change_it": "If Team A had a lower season_ppg and I was projected to win comfortably, I would have started Doubs for his higher floor projection."
}

=== YOUR MEMORY ===

YOUR PRE-SEASON GAMEPLAN (written by you in August):
  (not yet written)

YOUR TEAM:
  Roster (15/15): Jayden Reed (WR), Emeka Egbuka (WR), Jacoby Brissett (QB), Aaron Jones (RB), Lamar Jackson (QB), DK Metcalf (WR), Deebo Samuel (WR), Jonathan Taylor (RB), DeVonta Smith (WR), Travis Etienne (RB), Evan McPherson (K), Romeo Doubs (WR), Trey McBride (TE), Jaylen Warren (RB), Baltimore Ravens (DEF)
  FAAB remaining: $59
  Record: 10-18 all-play, 471.08 points, 6th of 8

YOUR LAST 3 DECISIONS OF THIS TYPE:
  Week 4: Starting Deebo Samuel in the FLEX over DK Metcalf to chase higher upside as an underdog against the highest-scoring team in the league.
    Closest call: Deebo Samuel, and I would have started DK Metcalf if I were a heavy favorite needing to protect a floor based on Metcalf's slightly higher projection.
  Week 3: Starting Travis Etienne in the FLEX over DK Metcalf to maximize projected points in a near dead-heat matchup.
    Closest call: DK Metcalf
  Week 2: Starting Lamar Jackson and a balanced lineup despite being a slight underdog to Team B.
    Closest call: Starting Travis Etienne over Jayden Reed in the FLEX spot.

SEASON TO DATE: Through week 4: 6th of 8 on all-play at 10-18, 471.1 total points.
=== END MEMORY ===