Best Ball Score Correlation: How Correlated Scoring Affects Best Ball Tournament Strategy
The fundamental best ball correlation principle: a passing offense stack correlates positively because when the QB has a big game, his receivers also score. A QB + WR1 stack has a correlation coefficient of approximately +0.60–0.70. This means when the QB goes for 35 fantasy points, the WR1 is likely to have scored 15+ as well — both count toward your best ball lineup.
Score Correlation Quick Reference
| Correlation type | Strength | Best ball value | Mistake to avoid |
|---|---|---|---|
| QB + WR1 same team | +0.60–0.70 (strongest passing correlation) | Core of best ball stacking — when the QB booms, the WR1 booms with him | Not building any QB+WR stacks — a roster with no correlated pairs has a lower ceiling than one with deliberate stacks |
| QB + RB same team | Moderate negative (running-heavy game scripts vs passing) | Do not stack QB + RB from the same team — when QB throws 50 times, the RB is underused; when RB gets 25 carries, the QB is managing the clock | Treating QB+RB as a natural stack because they are on the same team — the game script creates inverse correlation |
| WR + opposing pass-catcher (bring-back) | Moderate positive — if both teams score, both receiving corps produce | Add an opposing WR/TE to your QB+WR stack for a high-upside game correlation | Over-investing in bring-backs at the expense of roster depth — the bring-back is an addition, not a replacement for the core stack |
| Same-team RBs in a committee | Negative — when one RB gets 20 carries, the other gets fewer | Avoid holding two primary RBs from the same committee as your main RB contributions | Drafting two RBs from the same backfield who compete for carries — they cannot both boom in the same week |
| QB + opposing D/ST | Strongly negative — when the QB is throwing for 4 TDs, the opposing defense is not generating fantasy points | Never stack a QB with the opposing D/ST | Inadvertently building this correlation by drafting the best available D/ST without checking who they play — verify the D/ST opponent does not include your starting QB |
| Stacking depth: 3+ players from same game | When two teams in a high-total game are stacked, ceiling weeks can generate 5–8 players booming simultaneously | In large-field best ball tournaments (100+ players), a game stack gives you unique ceiling upside that differentiated rosters need | Using the same game stack in every draft — in large tournaments, owning the exact same stack as the consensus means you never have a unique lineup advantage |
Positive Correlations to Stack in Best Ball
QB + pass catchers (same team). The most reliable positive correlation in best ball. A QB and his primary receiver share volume — when the passing game is working, both score. This is the core of best ball stacking strategy.
WR + opposing defense (game stack). When a WR on one team is paired with players from the opposing defense (who are expected to generate points off turnovers and field position), you benefit if the game is high-scoring from both sides.
Negative Correlations to Avoid
QB + opposing pass defense. A QB and the opposing pass defense do not correlate positively — when the QB is throwing for 4 TDs, the opposing D/ST is not generating fantasy points from forcing turnovers. Avoid stacking these.
Same backfield RBs. Two RBs from the same team who split carries are negatively correlated — when one RB gets 20 carries, the other gets fewer. Holding both as your primary RBs creates a situation where only one can truly boom.
For how correlation connects to stacking strategy, see: Best Ball Stacking: How to Build Correlated Player Stacks in Best Ball Fantasy Drafts.