Free tool · Dec 15 – Dec 21

Week 15 FLEX start or sit

The flex is where a start/sit board actually earns its keep. Every eligible back, receiver and tight end is ranked on the same scale so you can compare across positions instead of guessing.

Week 15 · Dec 15 – Dec 21

Start these FLEXs — week 15

Biggest positive matchup swing at flex this week.

#PlayerMatchupProjSwingWhy
1Puka NacuaWR · LARvs DAL19.4+2.7vs DAL grades smash spot — worth about 2.7 points above a normal week.
2Kyren WilliamsRB · LARvs DAL15.3+2.1vs DAL grades smash spot — worth about 2.1 points above a normal week.
3Trey McBrideTE · ARIvs NYJ15.3+2.1vs NYJ grades smash spot — worth about 2.1 points above a normal week.
4Davante AdamsWR · LARvs DAL14.3+2vs DAL grades smash spot — worth about 2 points above a normal week.
5Marvin Harrison Jr.WR · ARIvs NYJ14.5+1.9vs NYJ grades smash spot — worth about 1.9 points above a normal week.
6Garrett WilsonWR · NYJ@ ARI14.8+1.5@ ARI grades smash spot — worth about 1.5 points above a normal week.
7Bijan RobinsonRB · ATL@ WAS19.9+1.2@ WAS grades good matchup — worth about 1.2 points above a normal week.
8Jonathan TaylorRB · IND@ TEN15.7+1.2@ TEN grades smash spot — worth about 1.2 points above a normal week.
9Drake LondonWR · ATL@ WAS15.7+0.9@ WAS grades good matchup — worth about 0.9 points above a normal week.
10Courtland SuttonWR · DEN@ LV11.8+0.7@ LV grades good matchup — worth about 0.7 points above a normal week.

Sit or downgrade — week 15 FLEXs

The schedule works against these names. Elite players still start; use this to settle close calls.

#PlayerMatchupProjSwingWhy
1Brian Thomas Jr.WR · JAX@ HOU13.4-2@ HOU grades nightmare — about 2 points below a normal week.
2Ashton JeantyRB · LVvs DEN13.3-1.9vs DEN grades nightmare — about 1.9 points below a normal week.
3Saquon BarkleyRB · PHIvs SEA16.1-1.8vs SEA grades nightmare — about 1.8 points below a normal week.
4Nico CollinsWR · HOUvs JAX13.8-1.8vs JAX grades nightmare — about 1.8 points below a normal week.
5Brock BowersTE · LVvs DEN12.1-1.8vs DEN grades nightmare — about 1.8 points below a normal week.
6CeeDee LambWR · DAL@ LAR16-1.6@ LAR grades tough — about 1.6 points below a normal week.
7A.J. BrownWR · PHIvs SEA13.2-1.4vs SEA grades nightmare — about 1.4 points below a normal week.
8Jaxon Smith-NjigbaWR · SEA@ PHI11.5-1.4@ PHI grades nightmare — about 1.4 points below a normal week.
9Travis HunterWR · JAX@ HOU8.3-1.2@ HOU grades nightmare — about 1.2 points below a normal week.
10De'Von AchaneRB · MIA@ GB14.9-1.1@ GB grades tough — about 1.1 points below a normal week.

Week 15 FLEX rankings

Every flex ranked by matchup-adjusted projection for this week.

#PlayerMatchupProjSwingWhy
1Ja'Marr ChaseWR · CIN@ CAR19.9+0.4@ CAR grades neutral — worth about 0.4 points above a normal week.
2Bijan RobinsonRB · ATL@ WAS19.9+1.2@ WAS grades good matchup — worth about 1.2 points above a normal week.
3Puka NacuaWR · LARvs DAL19.4+2.7vs DAL grades smash spot — worth about 2.7 points above a normal week.
4Justin JeffersonWR · MINvs DET18.6+0.4vs DET grades neutral — worth about 0.4 points above a normal week.
5Jahmyr GibbsRB · DET@ MIN16.7-0.7@ MIN grades nightmare — about 0.7 points below a normal week.
6Saquon BarkleyRB · PHIvs SEA16.1-1.8vs SEA grades nightmare — about 1.8 points below a normal week.
7CeeDee LambWR · DAL@ LAR16-1.6@ LAR grades tough — about 1.6 points below a normal week.
8Amon-Ra St. BrownWR · DET@ MIN15.8-0.7@ MIN grades nightmare — about 0.7 points below a normal week.
9Malik NabersWR · NYGvs CLE15.7-0.5vs CLE grades neutral — about 0.5 points below a normal week.
10Drake LondonWR · ATL@ WAS15.7+0.9@ WAS grades good matchup — worth about 0.9 points above a normal week.
11Jonathan TaylorRB · IND@ TEN15.7+1.2@ TEN grades smash spot — worth about 1.2 points above a normal week.
12Kyren WilliamsRB · LARvs DAL15.3+2.1vs DAL grades smash spot — worth about 2.1 points above a normal week.
13Trey McBrideTE · ARIvs NYJ15.3+2.1vs NYJ grades smash spot — worth about 2.1 points above a normal week.
14De'Von AchaneRB · MIA@ GB14.9-1.1@ GB grades tough — about 1.1 points below a normal week.
15Garrett WilsonWR · NYJ@ ARI14.8+1.5@ ARI grades smash spot — worth about 1.5 points above a normal week.
16Christian McCaffreyRB · SF@ LAC14.6-0.6@ LAC grades nightmare — about 0.6 points below a normal week.
17Marvin Harrison Jr.WR · ARIvs NYJ14.5+1.9vs NYJ grades smash spot — worth about 1.9 points above a normal week.
18Davante AdamsWR · LARvs DAL14.3+2vs DAL grades smash spot — worth about 2 points above a normal week.
19Bucky IrvingRB · TBvs NO14-0.2vs NO grades neutral — about 0.2 points below a normal week.
20Tee HigginsWR · CIN@ CAR14+0.4@ CAR grades neutral — worth about 0.4 points above a normal week.
21Nico CollinsWR · HOUvs JAX13.8-1.8vs JAX grades nightmare — about 1.8 points below a normal week.
22Chase BrownRB · CIN@ CAR13.7+0.3@ CAR grades neutral — worth about 0.3 points above a normal week.
23Josh JacobsRB · GBvs MIA13.6+0.5vs MIA grades neutral — worth about 0.5 points above a normal week.
24Brian Thomas Jr.WR · JAX@ HOU13.4-2@ HOU grades nightmare — about 2 points below a normal week.
25Ashton JeantyRB · LVvs DEN13.3-1.9vs DEN grades nightmare — about 1.9 points below a normal week.
26Ladd McConkeyWR · LACvs SF13.3-0.2vs SF grades tough — about 0.2 points below a normal week.
27A.J. BrownWR · PHIvs SEA13.2-1.4vs SEA grades nightmare — about 1.4 points below a normal week.
28Derrick HenryRB · BAL@ PIT13+0.2@ PIT grades neutral — worth about 0.2 points above a normal week.
29James CookRB · BUFvs CHI12.7+0.5vs CHI grades neutral — worth about 0.5 points above a normal week.
30Terry McLaurinWR · WASvs ATL12.4+0.3vs ATL grades neutral — worth about 0.3 points above a normal week.

Comparing two specific names? Run them through the start/sit optimizer or check injury impact before you lock the lineup.

Week 15 FLEX matchup heatmap

Green is a matchup that adds points to a normal week, red is one that takes them away. The number is the average swing in points for that team's FLEX starters.

Biggest FLEX upside

  1. LAR vs DALLead option: Puka Nacua · 19.4 pts+2.3
  2. ARI vs NYJLead option: Trey McBride · 15.3 pts+2
  3. NYJ @ ARILead option: Garrett Wilson · 14.8 pts+1.5
  4. IND @ TENLead option: Jonathan Taylor · 15.7 pts+1.2
  5. ATL @ WASLead option: Bijan Robinson · 19.9 pts+1.1

Biggest FLEX downside

  1. HOU vs JAXLead option: Nico Collins · 13.8 pts-1.8
  2. LV vs DENLead option: Ashton Jeanty · 13.3 pts-1.8
  3. DAL @ LARLead option: CeeDee Lamb · 16 pts-1.6
  4. JAX @ HOULead option: Brian Thomas Jr. · 13.4 pts-1.6
  5. PHI vs SEALead option: Saquon Barkley · 16.1 pts-1.6

Built from the same matchup grades as the week 15 FLEX start/sit board, so a hot cell and a start call always agree.

Other positions, week 15