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NCAAB

Defense vs Position — Friday, March 20, 2026

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How to Read This Page

What the columns mean and how to read them
▶

Positions are guard, forward and center — college position data does not carry the finer professional distinctions, so inventing them would be false precision. Cells show allowances as values or ranks, and the comparison pool can be set to all of Division I or to a conference or tier, which matters because a defense that looks average nationally can be the worst in its own league. Team-wide defensive numbers sit alongside the position splits and do not change when you switch positions.

How each D-I defense ranks vs all players, by stat. Higher percentile = softer matchup. DEF RTG · Pace · Paint% are the team-whole defense (constant across positions).

Filters

Rank vs
#
OPP
GP
No teams match — loosen the conference / level / today filters.
Glossary — Defense vs Position
AllowedThe raw per-game stat this defense gives up to the selected position (e.g. points/rebounds/assists allowed to guards).
PercentileHow SOFT the defense is at that stat vs the chosen pool — 100 = softest (allows the most), 0 = stingiest. Green = soft matchup, red = tough.
AdjustedAllowed minus each opposing player’s own season baseline — did this defense let players beat their usual output? Positive = allowed more than expected (soft); TO is inverted (forcing more = tougher).
Rank vs (National / Major / Conf)The pool the ranks + colors are computed against: National = all D-I, Major = its high/mid/low-major tier, Conf = its own conference.
DEF RTGPoints allowed per 100 possessions (team-whole, lower = better defense).
PACEPossessions per 40 minutes (team-whole).
PAINT PTSPoints allowed in the paint per game (team-whole).
dEFG%Def effective FG% allowed (Four Factor) — the shot quality the defense gives up, with 3s weighted 1.5×.
dTOV%Def turnover rate forced (Four Factor) — higher = the defense forces more turnovers.
dOREB%Def offensive-rebound rate allowed (Four Factor) — lower = the defense secures the glass better.
dFTrDef free-throw rate allowed, FTA/FGA (Four Factor) — lower = the defense fouls less.
CompCount only games vs top-N opponents (Top 25 / 50 / 100 / 150 by national rank).
MinExclude opponent player-games under N minutes (drops garbage-time appearances).

About NCAAB Defense vs Position

What each Division I defense allows by position. With three hundred and sixty-odd teams the spread is far wider than in a professional league, which makes the extremes genuinely extreme.

How to read it

Positions are guard, forward and center — college position data does not carry the finer professional distinctions, so inventing them would be false precision. Cells show allowances as values or ranks, and the comparison pool can be set to all of Division I or to a conference or tier, which matters because a defense that looks average nationally can be the worst in its own league. Team-wide defensive numbers sit alongside the position splits and do not change when you switch positions.

Where the numbers come from

Aggregated on request from per-player game results attributed to the defense faced, with robust z-scores and percentiles computed across the selected pool. Only Division I opponents are included.

Who it's for

For college player research and DFS. The tier filter is the important control here — a soft matchup against a low-major defense is not the same finding as a soft matchup in a major conference.

What the College basketball stats mean
GP / MPGGames played and minutes per game.
REB CHCRebound chances — rebounds that were actually available to a player, not just the ones he grabbed. Useful for separating opportunity from result.
POT ASTPotential assists — passes that would have been assists if the shot had gone in. Measures playmaking without punishing a teammate’s miss.
therundown.gg · 2025-26 · G/F/C splits (college position data has no PG/SG/SF/PF)
USG%
Usage rate — share of the team’s possessions a player uses while on the floor.
TS%True shooting percentage — scoring efficiency that accounts for two-pointers, three-pointers and free throws together.
ORtg / DRtgPoints produced and points allowed per 100 possessions.
NetRtgOffensive rating minus defensive rating.
DvPDefense vs Position — how much a defense gives up to opponents at one position, rather than overall. A team can defend well overall and still be the place guards go to score.
Allowed / Percentile / AdjustedThree ways to read the same defensive cell. Allowed is the raw per-game number. Percentile ranks it 0 to 100 across the league, where higher means an easier matchup. Adjusted shows how much better or worse players do against that defense than they normally do.
ColorsShading is calibrated to the college range, not the NBA’s. The same number reads a different color on the NBA board, so do not compare cell colors across the two sports.

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