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NBA player comparison

Alonzo Mourning vs. Robert Horry: Career comparison

hussEyquationCareer impact · regular season
Regular-season verdict

Alonzo Mourning ranks higher in career impact

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.

#210LeadsCareer Impact RankPeak-weighted regular-season rank#243
+5.4LeadsPeak box impactEra-adjusted points per 100 possessions above league average · higher is better+3.3
+3.3LeadsBest 5 average box impactEra-adjusted points per 100 possessions above league average · higher is better+3.0
18.3LeadsBest 3 average finishAverage league place · lower is better28.3
+1,988 ptsPoints above replacementCumulative regular-season value+1,997 ptsLeads
1LeadsTop-10 impact seasons0

Career Impact Rank places Alonzo Mourning #210 and Robert Horry #243. It combines league finishes across each player's best three, five, and ten regular seasons, giving the most weight to the best three. Robert Horry had 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.

Career impact · regular seasonhusseyquation.com/compare/alonzo-mourning/robert-horry/career
Career Impact RankSee exactly how both rankings are calculatedAlonzo Mourning27.787 · No. 210Robert Horry31.527 · No. 243

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.

Alonzo Mourning

27.787 composite · No. 210 all-time

Alonzo Mourning's Career Composite windows
Window and finishes usedAverage finishWeightContribution
Best 3No. 91999–00Recorded box inputsIncludes bounded historical defense estimateNo. 221998–99Recorded box inputsIncludes bounded historical defense estimateNo. 241995–96Recorded box inputsIncludes bounded historical defense estimate18.33350%9.167
Best 5No. 91999–00Recorded box inputsIncludes bounded historical defense estimateNo. 221998–99Recorded box inputsIncludes bounded historical defense estimateNo. 241995–96Recorded box inputsIncludes bounded historical defense estimateNo. 431993–94Recorded box inputsIncludes bounded historical defense estimateNo. 521996–97Recorded box inputsIncludes bounded historical defense estimate30.00030%9.000
Best 10No. 91999–00Recorded box inputsIncludes bounded historical defense estimateNo. 221998–99Recorded box inputsIncludes bounded historical defense estimateNo. 241995–96Recorded box inputsIncludes bounded historical defense estimateNo. 431993–94Recorded box inputsIncludes bounded historical defense estimateNo. 521996–97Recorded box inputsIncludes bounded historical defense estimateNo. 612001–02Recorded box inputsIncludes bounded historical defense estimateNo. 632005–06Recorded box inputsIncludes bounded historical defense estimateNo. 641997–98Recorded box inputsIncludes bounded historical defense estimateNo. 711992–93Recorded box inputsIncludes bounded historical defense estimateNo. 721994–95Recorded box inputsIncludes bounded historical defense estimate48.10020%9.620

9.167 + 9.000 + 9.620= 27.787

Robert Horry

31.527 composite · No. 243 all-time

Robert Horry's Career Composite windows
Window and finishes usedAverage finishWeightContribution
Best 3No. 241999–00Recorded box inputsIncludes bounded historical defense estimateNo. 272001–02Recorded box inputsIncludes bounded historical defense estimateNo. 342004–05Recorded box inputsIncludes bounded historical defense estimate28.33350%14.167
Best 5No. 241999–00Recorded box inputsIncludes bounded historical defense estimateNo. 272001–02Recorded box inputsIncludes bounded historical defense estimateNo. 342004–05Recorded box inputsIncludes bounded historical defense estimateNo. 351993–94Recorded box inputsIncludes bounded historical defense estimateNo. 392005–06Recorded box inputsIncludes bounded historical defense estimate31.80030%9.540
Best 10No. 241999–00Recorded box inputsIncludes bounded historical defense estimateNo. 272001–02Recorded box inputsIncludes bounded historical defense estimateNo. 342004–05Recorded box inputsIncludes bounded historical defense estimateNo. 351993–94Recorded box inputsIncludes bounded historical defense estimateNo. 392005–06Recorded box inputsIncludes bounded historical defense estimateNo. 401994–95Recorded box inputsIncludes bounded historical defense estimateNo. 401995–96Recorded box inputsIncludes bounded historical defense estimateNo. 452003–04Recorded box inputsIncludes bounded historical defense estimateNo. 532006–07Recorded box inputsIncludes bounded historical defense estimateNo. 541997–98Recorded box inputsIncludes bounded historical defense estimate39.10020%7.820

14.167 + 9.540 + 7.820= 31.527

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: Alonzo Mourning and Robert Horry
MetricAlonzo MourningRobert Horry
Career Impact RankPeak-weighted regular-season rank#210Better result for this metric.#243
Best 3 average finishAverage league place · lower is better18.3Better result for this metric.28.3
Best 5 average finishAverage league place · lower is better30.0Better result for this metric.31.8
Best 10 average finishAverage league place · lower is better48.139.1Better result for this metric.
Show more stats: Impact
Impact: Alonzo Mourning and Robert Horry
MetricAlonzo MourningRobert Horry
Points-above-replacement rankAll-time rank in estimated regular-season points above replacement#183#180Better result for this metric.
Peak box impactEra-adjusted points per 100 possessions above league average · higher is better+5.4Better result for this metric.+3.3
Best 3 average box impactEra-adjusted points per 100 possessions above league average · higher is better+4.3Better result for this metric.+3.2
Best 5 average box impactEra-adjusted points per 100 possessions above league average · higher is better+3.3Better result for this metric.+3.0
Best 10 average box impactEra-adjusted points per 100 possessions above league average · higher is better+2.4+2.6Better result for this metric.
Points above replacementRegular season · fixed -2.0 replacement baseline · higher is better+1,988 pts+1,997 ptsBetter result for this metric.
Seasons ranked No. 100
Top-five impact seasons00
Top-ten impact seasons1Better result for this metric.0

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: Alonzo Mourning and Robert Horry
MetricAlonzo MourningRobert Horry
Games8381,107
Minutes25,97527,069

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: Alonzo Mourning and Robert Horry
MetricAlonzo MourningRobert Horry
True shooting percentage58.3%Better result for this metric.52.0%
True shootingAverage across the best impact seasons selected for the model input profile58.6%Better result for this metric.52.2%
Show more stats: Shooting
Shooting: Alonzo Mourning and Robert Horry
MetricAlonzo MourningRobert Horry
Field-goal percentage52.7%Better result for this metric.42.5%
Three-point percentage24.7%34.1%Better result for this metric.
Free-throw percentage69.2%72.6%Better result for this metric.

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: Alonzo Mourning and Robert Horry
MetricAlonzo MourningRobert Horry
Assist rateAverage across the best impact seasons selected for the model input profile6.8%12.4%Better result for this metric.
Assists per game1.12.1Better result for this metric.
Show more stats: Passing
Passing: Alonzo Mourning and Robert Horry
MetricAlonzo MourningRobert Horry
Turnover rateAverage across the best impact seasons selected for the model input profile15.1%14.6%Better result for this metric.

Rebounding

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

Rebounding: Alonzo Mourning and Robert Horry
MetricAlonzo MourningRobert Horry
Rebound rateAverage across the best impact seasons selected for the model input profile16.3%Better result for this metric.11.3%
Rebounds per game8.5Better result for this metric.4.8

Defense

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

Defense: Alonzo Mourning and Robert Horry
MetricAlonzo MourningRobert Horry
Steal rateAverage across the best impact seasons selected for the model input profile0.9%2.3%Better result for this metric.
Show more stats: Defense
Defense: Alonzo Mourning and Robert Horry
MetricAlonzo MourningRobert Horry
Block rateAverage across the best impact seasons selected for the model input profile6.5%Better result for this metric.2.8%

Scoring

Points per game describe scoring volume, not overall impact.

Scoring: Alonzo Mourning and Robert Horry
MetricAlonzo MourningRobert Horry
Points per game17.1Better result for this metric.7.0

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.

Ranking result

Regular Season Impact

Alonzo Mourning ranks higher in career impact.

Alonzo MourningMetricRobert Horry
#210LeadsCareer Impact RankPeak-weighted regular-season rank#243
+5.4LeadsPeak box impactEra-adjusted points per 100 possessions above league average · higher is better+3.3
+3.3LeadsBest 5 average box impactEra-adjusted points per 100 possessions above league average · higher is better+3.0
+1,988 ptsPoints above replacementRegular season · fixed -2.0 replacement baseline · higher is better+1,997 ptsLeads

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

Context

Team Success

Robert Horry leads every available measure below.

Alonzo MourningMetricRobert Horry
723Listed-team regular-season wins920Leads
56.5%Listed-team winning percentage67.5%Leads
750-win team seasons13Leads
160-win team seasons3Leads
13Playoff team seasons17Leads

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

Robert Horry leads every available measure below.

Alonzo MourningMetricRobert Horry
11Playoff appearances16Leads
95Playoff games244Leads
50Team playoff wins158Leads
1Finals appearances7Leads
1Championships7Leads

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.

Alonzo MourningMetricRobert Horry
7All-StarNot available
0MVPNot available
2All-NBANot available
2All-DefenseNot available
2DPOYNot available
0Rookie 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.

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
Alonzo MourningRobert HorryPeak seasonHistorical source qualification

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

S1
S2
S3
S4
S5
S6
S7
S8
S9
S10
S11
S12
S13
S14
S15
S16

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.