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Player profile · BOS / INO
John Mahnken
John Mahnken stats, teams and career impact
#906 all-timeCareer averages · 3.4 PPG · 2.9 RPG · 1.1 APGPeak-weighted regular-season model · playoffs, awards, and championships excluded
- Position
- Center
- Final NBA team
- Boston Celtics
- Height / weight
- 6 ft 8 in (203 cm) · 220 lb (100 kg)
- Born
- June 16, 1922
- Died
- December 14, 2000 (78 yrs old)
- College
- Georgetown
- NBA career
- 1946–47 to 1952–53
Career summaryJohn Mahnken was a center whose NBA career ran from 1946–47 through 1952–53. hussEyquation season data begins in 1950–51.
- Career PPG
- 3.4
- Career RPG
- 2.9
- Career APG
- 1.1
- #79 in 1952–53
- #906 all-time
Best-Season Impact Rank
Career Impact Rank
Peak-weighted regular-season model · playoffs, awards, and championships excluded
Career overview
How John Mahnken ranks in the available record
John Mahnken's covered seasons produce an all-time rank of #906. hussEyquation's season record begins in 1950–51, so this is not a complete-career verdict.
450+ minutes required per season
187 games · Coverage begins in 1950–51
Head to head
Compare John Mahnken with…
Suggested matchups from basketball rivalries, comparable roles, and similar careers. Compare career impact, peak seasons, and the numbers behind the result.
- John Mahnken vs. Jim Ard Similar career path
- John Mahnken vs. Željko Rebrača Similar career path
- John Mahnken vs. Mark Acres Similar career path
- John Mahnken vs. Major Jones Similar career path
- John Mahnken vs. Mark Madsen Similar career path
- John Mahnken vs. Marc Iavaroni Similar career path
- John Mahnken vs. Al Cervi Same-era comparison
- John Mahnken vs. Frank Kudelka Same-era comparison
- John Mahnken vs. Ralph Johnson Same-era comparison
- John Mahnken vs. Don Otten Same-era comparison
Full player detailsTeam history, career shooting and sources
Full team history
- Teams
- Boston Celtics and Indianapolis Olympians
Career shooting
NBA regular season- Field goal
- 31.9%FG%
- Three-point
- —3P%
- Free throw
- 65.1%FT%
187 career games · 2,303 minutes
Sources and updateConventional stats and measurements: Basketball Reference, accessed Sep 13, 2026. hussEyquation ranking data through 2025–26. Life dates: Wikidata; conflicting dates checked against Basketball Reference, accessed Sep 17, 2026.
Traditional box score
John Mahnken stats by season
Start with scoring and impact, then switch views for shooting or the full advanced picture. Career percentages use total makes and attempts.
Box impact is an estimate in points per 100 possessions, not the 0–100 Impact Rate score. Zero is league average; higher is better. Rate rank is a league place: No. 1 is best.
Swipe for PPG · RPG · APG · Box impact · Team · G · GS · MPG →
| pts/100 · higher is better | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1952–53 | 2.8 | 2.6 | 1.1 | -2.14 | BOS | 69 | 0 | 11.2 | 30.2% | — | 69.6% | #79 | -2.1 |
| 1951–52 | 3.0 | 2.2 | 1.1 | -2.13 | BOS | 60 | 0 | 9.7 | 34.4% | — | 60.5% | #80 | -1.6 |
| 1950–51 | 4.6 | 3.8 | 1.3 | -2.81 | BOS/INO | 58 | 0 | 16.4 | 31.6% | — | 64.3% | #92 | -15.3 |
| Career | 3.4 | 2.9 | 1.1 | — | BOS/INO | 187 | — | 12.3 | 31.9% | — | 65.1% | — | — |
Source: Basketball Reference regular-season totals, accessed Sep 13, 2026.
What these measures mean
- Box impact
- Estimated points per 100 possessions above that season's league average, from the historical box-score model. Zero is league average; higher is better. Historical defense estimates are included where labeled. This is not the live model's lineup-adjusted estimate.
- Impact Rate
- A 0–100 score comparing performance within one season. Higher is better. This is a score, not points per possession.
- Impact estimate
- The season model's final estimated points per 100 possessions above league average, before conversion to the 0–100 Impact Rate score. It includes lineup evidence where available. Zero is league average; higher is better.
- Impact Rate rank
- The player's place among qualified players in that season's Impact Rate ranking. No. 1 is best. This is a rank, not an impact score.
- Value contribution / Season Value
- Completed seasons use a fixed-baseline contribution to Career Value. The live season instead uses Season Value, combining that season's impact with workload.
- Career Impact Rank
- An all-time rank weighted toward the player's best three, five, and ten seasons.
87.1 composite · lower is better
89.0 average league finish
-19 total value
- Impact Rate
- 0–100 score within one season. Higher is better.
- Box impact
- Estimated points per 100 possessions above league average, from the historical model. Zero is average; higher is better.
Career standing
How John Mahnken ranks all time
These are league placements, not raw scores. Each season is judged against that season's qualified player pool.
Best in the league
Elite finishes
Upper-tier finishes
Tie-breaker across top-ten seasons
Career Composite Score87.1
Best 3, Best 5, and Best 10 average league finishes receive 50%, 30%, and 20% window weights. Missing seasons receive a replacement finish just below the player's typical qualified field. Lower is better.
- Best 3 effective weight
- 74%
- Missing-season finish
- 97.0
- Qualified seasons
- 3
- All-time rank
- #906
Strongest seasons
Every season
John Mahnken advanced stats by season
Era-centered box impact supports comparisons through time. Impact Rate and its rank compare players only within that season.
More advanced statsAge, minutes, impact, rank, value and data coverage
Career movement
John Mahnken's box impact by season
Peak box impact -2.13 points per 100 possessions in 1951–52 · 3 seasons · 2,303 minutes
Box impact estimates points per 100 possessions above each season's league average. Zero is average; higher is better. Rank labels show Impact Rate league places, not ranks on this chart's box-impact scale.
Box impact · points per 100 possessionsMinutesModeled estimate
Player-specific impact scaleWorkload
Early-career comparison
Compare the first 3 seasons
Both players are limited to their first 3 seasons. Later seasons never affect the selection or score, and the result is not a career prediction.
John MahnkenJim Ard
| NBA season | John Mahnken | Jim Ard |
|---|---|---|
| 1 | -2.8 | -4.3 |
| 2 | -2.1 | -3.6 |
| 3 | -2.1 | -2.8 |
NBA season number · first 3 seasons only
Similar starts
Players with starts similar to John Mahnken
The start-similarity percentile compares era-relative impact, season-relative workload, trajectory, debut age, and role across exactly 3 seasons and 2,103 eligible starts. Higher means closer; it is not a probability or forecast.
C · All-Time Career #1809
Jim Ard
99.3start similarity percentile
Impact: very closeWorkload: very closeTrend: closeAge: closeRole: very close
Medium evidence · first 3 seasonsClosest early-season pairing · 1951–52 ↔ 1976–77C · All-Time Career #2390Željko Rebrača
98.8start similarity percentile
Impact: very closeWorkload: very closeTrend: closeAge: very closeRole: very close
Medium evidence · first 3 seasonsClosest early-season pairing · 1951–52 ↔ 2002–03C · All-Time Career #2272Mark Acres
98.6start similarity percentile
Impact: very closeWorkload: closeTrend: very closeAge: closeRole: very close
Medium evidence · first 3 seasonsClosest early-season pairing · 1951–52 ↔ 1988–89Impact Rate shows how strong a player was compared with everyone else that season. Season Value adds how much he played; completed player-profile rows instead show each season's fixed-baseline contribution to Career Value. Career Impact Rank rewards a high peak, a long prime, and repeated seasons near the top. Older seasons use clearly labeled estimates where the NBA did not record today's full set of statistics. Read how every ranking works →