Isaiah Hartenstein vs. John Mengelt Season by Season Comparison

Side by side comparison of each NBA season of John Mengelt and Isaiah Hartenstein, from their rookie seasons to their last year played, in chronological order with awards, stats, championships and playoff performance of their teams every year.

Player comparisons:
Career comparison / Season by season

Who had the better rookie season? Who had best stats in their 10th season? Who won a championship first? These questions and many others, are answered here.

Isaiah Hartenstein played 6 years in the NBA, 4 less than John Mengelt, who played 10. Isaiah Hartenstein had the first of his seasons in 2018-19, while John Mengelt had his rookie season in 1971-72. With that starting point, here you can take a look at each of their seasons side by side and compare how their careers evolved in achivements, awards and championships won, the stats they recorded both in the Regular Season and the Playoffs and how their teams performed in the postseason.

Their Careers

Player		 Total Seasons Playoffs Played NBA Years
Isaiah Hartenstein 6 3 2018-19 to 2023-24
John Mengelt 10 4 1971-72 to 1980-81

Comparison Season by Season

Jump to season:
1-2-3-4-5-6-7-8-9-10

Rookie Season
Isaiah Hartenstein John Mengelt
Season 2018-191971-72
Team Houston RocketsCincinnati Royals
Honors & Awards
Playoffs Rockets Lost West Conf SemisDid Not Play
more >>
Regular Season Stats
G Min Pts ORb DRb Reb Ast Stl Blk TO PF FGM / A % 3PM / A % FTM / A %
Isaiah Hartenstein 28 7.9 1.9 0.8 0.9 1.7 0.5 0.3 0.4 0.5 2.0 0.7 1.5 .488 0.1 0.2 .333 0.4 0.5 .786
John Mengelt 78 18.4 10.0 - - 1.9 1.9 - - - 2.1 3.7 7.8 .474 - - - 2.7 3.2 .825
Playoffs Stats
G Min Pts ORb DRb Reb Ast Stl Blk TO PF FGM / A % 3PM / A % FTM / A %
Isaiah Hartenstein 2 1.0 2.0 0.5 0.0 0.5 0.0 0.0 0.0 0.0 0.5 1.0 1.0 1.000 0.0 0.0 - 0.0 0.0 -
John Mengelt ------- --- ----------

Season 2
Isaiah Hartenstein John Mengelt
Season 2019-201972-73
Team Houston RocketsKansas City-Omaha Kings, Detroit Pistons
Honors & Awards
Playoffs Did Not PlayDid Not Play
more >>
Regular Season Stats
G Min Pts ORb DRb Reb Ast Stl Blk TO PF FGM / A % 3PM / A % FTM / A %
Isaiah Hartenstein 23 11.6 4.7 1.3 2.7 3.9 0.8 0.4 0.5 0.7 1.8 1.9 2.9 .657 0.0 0.2 .000 0.8 1.2 .679
John Mengelt 79 20.8 9.7 - - 2.3 1.9 - - - 1.9 4.1 8.2 .492 - - - 1.6 2.0 .794
Playoffs Stats
G Min Pts ORb DRb Reb Ast Stl Blk TO PF FGM / A % 3PM / A % FTM / A %
Isaiah Hartenstein ------- --- ----------
John Mengelt ------- --- ----------

Season 3
Isaiah Hartenstein John Mengelt
Season 2020-211973-74
Team Denver Nuggets, Cleveland CavaliersDetroit Pistons
Honors & Awards
Playoffs Did Not PlayPistons Lost West Conf Semis
more >>
Regular Season Stats
G Min Pts ORb DRb Reb Ast Stl Blk TO PF FGM / A % 3PM / A % FTM / A %
Isaiah Hartenstein 46 12.2 5.1 1.4 2.5 3.9 1.2 0.4 0.8 1.0 2.3 2.0 3.7 .550 0.0 0.1 .333 1.0 1.5 .648
John Mengelt 77 20.2 8.8 0.5 2.2 2.7 1.9 0.9 0.1 - 2.1 3.2 7.2 .446 - - - 2.4 3.0 .795
Playoffs Stats
G Min Pts ORb DRb Reb Ast Stl Blk TO PF FGM / A % 3PM / A % FTM / A %
Isaiah Hartenstein ------- --- ----------
John Mengelt 4 9.8 4.3 0.5 1.3 1.8 1.5 0.5 0.0 - 1.5 1.3 3.5 .357 - - - 1.8 2.0 .875

Season 4
Isaiah Hartenstein John Mengelt
Season 2021-221974-75
Team Los Angeles ClippersDetroit Pistons
Honors & Awards
Playoffs Did Not PlayPistons Lost West Conf 1st Rd
more >>
Regular Season Stats
G Min Pts ORb DRb Reb Ast Stl Blk TO PF FGM / A % 3PM / A % FTM / A %
Isaiah Hartenstein 68 17.9 8.3 1.7 3.2 4.9 2.4 0.7 1.1 1.2 2.5 3.4 5.4 .626 0.2 0.4 .467 1.3 1.9 .689
John Mengelt 80 24.9 11.0 0.5 1.9 2.4 2.5 0.9 0.1 - 2.5 4.2 8.8 .479 - - - 2.6 3.1 .851
Playoffs Stats
G Min Pts ORb DRb Reb Ast Stl Blk TO PF FGM / A % 3PM / A % FTM / A %
Isaiah Hartenstein ------- --- ----------
John Mengelt 3 21.7 8.3 0.7 2.0 2.7 3.0 0.3 0.3 - 3.0 3.0 7.7 .391 - - - 2.3 3.0 .778

Season 5
Isaiah Hartenstein John Mengelt
Season 2022-231975-76
Team New York KnicksDetroit Pistons
Honors & Awards
Playoffs Knicks Lost East Conf SemisPistons Lost West Conf Semis
more >>
Regular Season Stats
G Min Pts ORb DRb Reb Ast Stl Blk TO PF FGM / A % 3PM / A % FTM / A %
Isaiah Hartenstein 82 19.9 5.0 2.5 4.0 6.5 1.2 0.6 0.8 0.8 2.6 2.1 4.0 .535 0.1 0.5 .216 0.6 0.9 .676
John Mengelt 67 16.5 10.7 0.4 1.3 1.7 1.6 0.6 0.1 - 2.1 3.9 8.1 .489 - - - 2.9 3.5 .810
Playoffs Stats
G Min Pts ORb DRb Reb Ast Stl Blk TO PF FGM / A % 3PM / A % FTM / A %
Isaiah Hartenstein 11 20.0 3.1 2.1 2.5 4.6 1.3 0.8 1.4 0.5 2.6 1.0 2.1 .478 0.0 0.0 - 1.1 1.5 .750
John Mengelt 9 13.2 9.7 0.2 1.3 1.6 1.1 0.4 0.1 - 2.4 3.8 6.2 .607 - - - 2.1 3.0 .704

Season 6
Isaiah Hartenstein John Mengelt
Season 2023-241976-77
Team New York KnicksChicago Bulls
Honors & Awards
Playoffs Knicks TBDBulls Lost West Conf 1st Rd
more >>
Regular Season Stats
G Min Pts ORb DRb Reb Ast Stl Blk TO PF FGM / A % 3PM / A % FTM / A %
Isaiah Hartenstein 75 25.3 7.8 3.3 5.1 8.3 2.5 1.2 1.1 1.2 2.8 3.1 4.9 .644 0.0 0.0 .333 1.5 2.1 .707
John Mengelt 61 19.3 8.3 0.5 1.3 1.8 1.9 0.6 0.1 - 1.7 3.4 7.5 .456 - - - 1.5 1.9 .788
Playoffs Stats
G Min Pts ORb DRb Reb Ast Stl Blk TO PF FGM / A % 3PM / A % FTM / A %
Isaiah Hartenstein 12 29.8 9.2 3.8 4.0 7.8 3.7 0.3 0.9 1.4 3.1 3.8 6.2 .608 0.1 0.2 .500 1.6 1.8 .864
John Mengelt 3 22.3 12.7 0.0 1.3 1.3 2.7 1.3 0.0 - 1.0 4.7 8.7 .538 - - - 3.3 3.7 .909

Season 7
Isaiah Hartenstein John Mengelt
Season -1977-78
Team -Chicago Bulls
Honors & Awards
Playoffs -Did Not Play
more >>
Regular Season Stats
G Min Pts ORb DRb Reb Ast Stl Blk TO PF FGM / A % 3PM / A % FTM / A %
Isaiah Hartenstein ------- --- ----------
John Mengelt 81 21.8 10.3 0.5 1.1 1.6 2.9 0.6 0.0 1.5 2.1 4.0 8.3 .481 - - - 2.3 2.9 .773
Playoffs Stats
G Min Pts ORb DRb Reb Ast Stl Blk TO PF FGM / A % 3PM / A % FTM / A %
Isaiah Hartenstein ------- --- ----------
John Mengelt ------- --- ----------

Season 8
Isaiah Hartenstein John Mengelt
Season -1978-79
Team -Chicago Bulls
Honors & Awards
Playoffs -Did Not Play
more >>
Regular Season Stats
G Min Pts ORb DRb Reb Ast Stl Blk TO PF FGM / A % 3PM / A % FTM / A %
Isaiah Hartenstein ------- --- ----------
John Mengelt 75 22.7 11.0 0.3 1.2 1.6 2.5 0.6 0.1 1.6 2.0 4.5 9.2 .491 - - - 2.0 2.4 .824
Playoffs Stats
G Min Pts ORb DRb Reb Ast Stl Blk TO PF FGM / A % 3PM / A % FTM / A %
Isaiah Hartenstein ------- --- ----------
John Mengelt ------- --- ----------

Season 9
Isaiah Hartenstein John Mengelt
Season -1979-80
Team -Chicago Bulls
Honors & Awards
Playoffs -Did Not Play
more >>
Regular Season Stats
G Min Pts ORb DRb Reb Ast Stl Blk TO PF FGM / A % 3PM / A % FTM / A %
Isaiah Hartenstein ------- --- ----------
John Mengelt 36 10.8 6.1 0.1 0.6 0.6 1.1 0.3 0.0 1.0 1.5 2.5 4.6 .542 0.0 0.2 .000 1.1 1.4 .796
Playoffs Stats
G Min Pts ORb DRb Reb Ast Stl Blk TO PF FGM / A % 3PM / A % FTM / A %
Isaiah Hartenstein ------- --- ----------
John Mengelt ------- --- ----------

Season 10
Isaiah Hartenstein John Mengelt
Season -1980-81
Team -Golden State Warriors
Honors & Awards
Playoffs -Did Not Play
more >>
Regular Season Stats
G Min Pts ORb DRb Reb Ast Stl Blk TO PF FGM / A % 3PM / A % FTM / A %
Isaiah Hartenstein ------- --- ----------
John Mengelt 2 5.5 0.0 0.0 0.0 0 1.0 0.0 0.0 0.0 0.0 0.0 2.0 .000 0.0 0.0 - 0.0 0.0 -
Playoffs Stats
G Min Pts ORb DRb Reb Ast Stl Blk TO PF FGM / A % 3PM / A % FTM / A %
Isaiah Hartenstein ------- --- ----------
John Mengelt ------- --- ----------
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