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NBA player comparison

Isaiah Whitehead vs. KJ Simpson: Career comparison

hussEyquationEarly career · results to date
Regular-season verdict

Isaiah Whitehead ranks higher in career impact so far

KJ Simpson

2024–25 to 2025–26 · 2 seasons · active

Impact comparison

Box impact estimates points per 100 possessions above each season's league average. Higher is better. Career ranks and average league finishes work the other way: lower is better.

#3073LeadsCareer Impact Rank to datePeak-weighted regular-season rank#3148
-5.0Peak box impact so farEra-adjusted points per 100 possessions above league average · higher is better-4.0Leads
-5.0Average box impact to dateEra-adjusted points per 100 possessions above league average · higher is better-4.0Leads
#359LeadsBest league finish#373
-120 ptsPoints above replacementCumulative regular-season value-62 ptsLeads
89LeadsGames56

Career Impact Rank places Isaiah Whitehead #3073 and KJ Simpson #3148. It combines league finishes across each player's best three, five, and ten regular seasons, giving the most weight to the best three. KJ Simpson had the higher single-season impact estimate and more total career value.

Regular season only. Impact figures are estimates; small gaps are not exact. Playoffs, awards and titles do not determine the verdict.

Early career · results to datehusseyquation.com/compare/isaiah-whitehead/kj-simpson/career
Career Impact RankSee exactly how both rankings are calculatedIsaiah Whitehead363.520 · No. 3,073KJ Simpson385.807 · No. 3,148

Only the three league-finish windows below determine Career Impact Rank. Career Value and peak impact are separate measures; neither adds points to this calculation. Lower composite scores rank higher.

Isaiah Whitehead

363.520 composite · No. 3,073 all-time

Isaiah Whitehead's Career Composite windows
Window and finishes usedAverage finishWeightContribution
Best 3No. 3592016–17Recorded box inputsIncludes bounded historical defense estimate2 open slots × No. 365363.00050%181.500
Best 5No. 3592016–17Recorded box inputsIncludes bounded historical defense estimate4 open slots × No. 365363.80030%109.140
Best 10No. 3592016–17Recorded box inputsIncludes bounded historical defense estimate9 open slots × No. 365364.40020%72.880

181.500 + 109.140 + 72.880= 363.520

Open-season rule: every unfilled slot uses No. 365, this player's stored replacement finish.

KJ Simpson

385.807 composite · No. 3,148 all-time

KJ Simpson's Career Composite windows
Window and finishes usedAverage finishWeightContribution
Best 3No. 3732024–252 open slots × No. 390384.33350%192.167
Best 5No. 3732024–254 open slots × No. 390386.60030%115.980
Best 10No. 3732024–259 open slots × No. 390388.30020%77.660

192.167 + 115.980 + 77.660= 385.807

Open-season rule: every unfilled slot uses No. 390, this player's stored replacement finish.

Averages, contributions, and totals are displayed to three decimal places. The ranking calculation keeps full source precision. Read the full method →

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Full comparison · Career comparison

Understand the numbers

Start with impact, then compare playing time and skills. Team results add context. These are not categories to tally into a winner.

1 · Ranking evidence

Impact: who ranks higher, and why?

Career Impact Rank compares entire regular-season careers across NBA history. It combines average league places across the best three, five, and ten seasons, weighted 50%, 30%, and 20%. A lower rank or average place is better.

Impact: Isaiah Whitehead and KJ Simpson
MetricIsaiah WhiteheadKJ Simpson
Career Impact Rank to datePeak-weighted regular-season rank#3073Better result for this metric.#3148
Best 3 average finishAverage league place · lower is better363.0Better result for this metric.384.3
Best 5 average finishAverage league place · lower is better363.8Better result for this metric.386.6
Best 10 average finishAverage league place · lower is better364.4Better result for this metric.388.3
Show more stats: Impact
Impact: Isaiah Whitehead and KJ Simpson
MetricIsaiah WhiteheadKJ Simpson
Points-above-replacement rankAll-time rank in estimated regular-season points above replacement#4593#4282Better result for this metric.
Peak box impactEra-adjusted points per 100 possessions above league average · higher is better-5.0-4.0Better result for this metric.
Best 3 average box impactEra-adjusted points per 100 possessions above league average · higher is betterUnavailableUnavailable
Best 5 average box impactEra-adjusted points per 100 possessions above league average · higher is betterUnavailableUnavailable
Best 10 average box impactEra-adjusted points per 100 possessions above league average · higher is betterUnavailableUnavailable
Points above replacementRegular season · fixed -2.0 replacement baseline · higher is better-120 pts-62 ptsBetter result for this metric.
Seasons ranked No. 100
Top-five impact seasons00
Top-ten impact seasons00

2 · Playing time and responsibility

How much did each player take on?

Read games and minutes alongside impact. Offensive usage is the share of team plays a player ends with a shot, free throws, or a turnover while on court. More usage is not automatically better.

Playing time and workload: Isaiah Whitehead and KJ Simpson
MetricIsaiah WhiteheadKJ Simpson
Games8956
Minutes1,8231,099

3 · Individual skills

Where does each player have an advantage?

These are each player's averages across up to ten best seasons. Career Impact Rank gives the Best 3, Best 5, and Best 10 average league finishes 50%, 30%, and 20% window weights, giving the most weight to the highest peak. The model accounts for position, role, pace, playing time, and team results. Green marks the better result for a metric, including lower turnover rates. Workload and shot-selection measures stay neutral. These rows are not votes toward the ranking.

Shooting

True shooting includes two-pointers, three-pointers, and free throws.

Shooting: Isaiah Whitehead and KJ Simpson
MetricIsaiah WhiteheadKJ Simpson
True shooting percentage49.3%Better result for this metric.43.4%
True shootingAverage across the best impact seasons selected for the model input profile48.7%Better result for this metric.43.7%
Show more stats: Shooting
Shooting: Isaiah Whitehead and KJ Simpson
MetricIsaiah WhiteheadKJ Simpson
Field-goal percentage41.1%Better result for this metric.34.5%
Three-point percentage30.5%Better result for this metric.26.5%
Free-throw percentage78.8%Better result for this metric.76.5%

Passing

Assist rate is the share of teammates’ made shots assisted while the player is on court. Read turnovers alongside offensive workload; lower turnover rate is generally better.

Passing: Isaiah Whitehead and KJ Simpson
MetricIsaiah WhiteheadKJ Simpson
Assist rateAverage across the best impact seasons selected for the model input profile17.7%19.8%Better result for this metric.
Assists per game2.42.8Better result for this metric.
Show more stats: Passing
Passing: Isaiah Whitehead and KJ Simpson
MetricIsaiah WhiteheadKJ Simpson
Turnover rateAverage across the best impact seasons selected for the model input profile20.3%14.8%Better result for this metric.

Rebounding

Rebound rate is the share of available rebounds collected while on court.

Rebounding: Isaiah Whitehead and KJ Simpson
MetricIsaiah WhiteheadKJ Simpson
Rebound rateAverage across the best impact seasons selected for the model input profile5.9%6.9%Better result for this metric.
Rebounds per game2.42.6Better result for this metric.

Defense

Steals and blocks describe only part of defense. They do not capture every stop, rotation, or matchup.

Defense: Isaiah Whitehead and KJ Simpson
MetricIsaiah WhiteheadKJ Simpson
Steal rateAverage across the best impact seasons selected for the model input profile1.2%2.0%Better result for this metric.
Show more stats: Defense
Defense: Isaiah Whitehead and KJ Simpson
MetricIsaiah WhiteheadKJ Simpson
Block rateAverage across the best impact seasons selected for the model input profile1.7%Better result for this metric.0.7%

Scoring

Points per game describe scoring volume, not overall impact.

Scoring: Isaiah Whitehead and KJ Simpson
MetricIsaiah WhiteheadKJ Simpson
Points per game7.2Better result for this metric.6.7

4 · Team context, not ranking inputs

What happened with and without them?

A verified with/without comparison is unavailable for this scope. We do not substitute another season’s observations.

Four separate questions

Impact, winning, playoffs, and awards

These are different ways to understand a career. Only Regular Season Impact determines the hussEyquation verdict. The other three sections add basketball context without adding points or changing the rank.

Career to date. At least one player is active. Every total below stops after the latest completed season in this data; nothing is projected.

Ranking result

Regular Season Impact

Isaiah Whitehead ranks higher in career impact so far.

Isaiah WhiteheadMetricKJ Simpson
#3073LeadsCareer Impact Rank to datePeak-weighted regular-season rank#3148
-5.0Peak box impactEra-adjusted points per 100 possessions above league average · higher is better-4.0Leads
Not availableBest 5 average box impactEra-adjusted points per 100 possessions above league average · higher is betterNot available
-120 ptsPoints above replacementRegular season · fixed -2.0 replacement baseline · higher is better-62 ptsLeads

This is the ranking result. It uses regular-season impact only. Team records, playoffs, and awards do not change it.

Context

Team Success

KJ Simpson leads every available measure below.

Isaiah WhiteheadMetricKJ Simpson
48Listed-team regular-season wins117Leads
29.3%Listed-team winning percentage47.6%Leads
050-win team seasons1Leads
060-win team seasons0
0Playoff team seasons1Leads

Context only. Not included in Career Impact Rank. Final records for every listed team-season. A traded season can include more than one team.

Context

Playoff Résumé

No recorded measure separates these careers.

Isaiah WhiteheadMetricKJ Simpson
Not availablePlayoff appearancesNot available
Not availablePlayoff gamesNot available
Not availableTeam playoff winsNot available
Not availableFinals appearancesNot available
Not availableChampionshipsNot available

Context only. Not included in Career Impact Rank. Team playoff results count only seasons when the player appeared in a playoff game.

Context

Awards

No recorded measure separates these careers.

Isaiah WhiteheadMetricKJ Simpson
Not availableAll-StarNot available
Not availableMVPNot available
Not availableAll-NBANot available
Not availableAll-DefenseNot available
Not availableDPOYNot available
Not availableRookie of the YearNot available

Context only. Not included in Career Impact Rank. Major regular-season honors are recognition, not inputs to the impact ranking.

How each context field is counted
Listed-team regular-season wins
The sum of each listed team's final wins in every season the player represented that team.
Listed-team winning percentage
Those team wins divided by those teams' total regular-season games.
50- and 60-win team seasons
Listed team-seasons that finished with at least 50 or 60 wins. Shortened seasons are not projected to 82 games.
Team seasons reaching playoffs
Listed team-seasons in which that team qualified for the playoffs.
Playoff appearances and games
Postseasons and games in which the player appeared.
Team playoff wins
Team wins from those postseasons. They describe team results, not individual credit.
Finals appearances and championships
Seasons when the player appeared in the playoffs for the finalist or champion.
Awards
Recorded NBA selections and major regular-season honors. A zero means the source records none; Not available means the source field is missing.

Source and scope Basketball Reference, NBA seasons 1950–51 through 2025–26, accessed 2026-10-09. Active-career totals are results to date through the latest completed season in the source.

Career Shape Explorer

How the careers developed

Follow every regular season by NBA experience or age. This view describes the path; it does not create another verdict.

View
Align careers by
Isaiah WhiteheadKJ SimpsonPeak seasonHistorical source qualification

Career to date. Active careers stop at the latest completed season; no future seasons are projected.

Estimated points per 100 possessions above that season's league average

S1
S2

Striped bars mark seasons with fewer than 40 games. A dashed mark means that player had no season at the aligned point.

S means NBA season number; A means player age. Peak labels identify each player's accepted best season. Hover or focus any pair for season detail, or open Season timeline for the complete evidence ledger.