Isaiah Hartenstein vs. Jack Sikma Season by Season Comparison

Side by side comparison of each NBA season of Jack Sikma 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, 8 less than Jack Sikma, who played 14. Isaiah Hartenstein had the first of his seasons in 2018-19, while Jack Sikma had his rookie season in 1977-78. 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
Jack Sikma	14	11	1977-78 to 1990-91

Comparison Season by Season
Jump to season: 1-2-3-4-5-6-7-8-9-10-11-12-13-14


Rookie Season
	Isaiah Hartenstein	Jack Sikma
Season	2018-19	1977-78
Team	Houston Rockets	Seattle Supersonics
Honors & Awards	-	All-Rookie First Team
Playoffs	Rockets Lost West Conf Semis	Supersonics Lost NBA Finals

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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
Jack Sikma	82	27.3	10.7	2.4	5.9	8.3	1.6	0.8	0.5	2.3	3.7	4.2	9.2	.455	-	-	-	2.3	3.0	.777

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	-
Jack Sikma	22	31.9	13.7	2.3	5.8	8.1	1.2	0.8	0.5	1.6	4.6	5.2	11.2	.466	-	-	-	3.2	4.1	.780


Season 2
	Isaiah Hartenstein	Jack Sikma
Season	2019-20	1978-79
Team	Houston Rockets	Seattle Supersonics
Honors & Awards	-	All-Star Game
Playoffs	Did Not Play	NBA Champion

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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
Jack Sikma	82	36.1	15.6	2.8	9.5	12.4	3.2	1.0	0.8	3.1	3.6	5.8	12.6	.460	-	-	-	4.0	4.9	.814

Playoffs Stats
	G	Min	Pts	ORb	DRb	Reb	Ast	Stl	Blk	TO	PF	FGM / A		%	3PM / A		%	FTM / A		%
Isaiah Hartenstein	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Jack Sikma	17	38.5	14.9	2.3	9.4	11.7	2.5	0.9	1.4	2.4	4.1	6.0	13.2	.455	-	-	-	2.8	3.6	.787


Season 3
	Isaiah Hartenstein	Jack Sikma
Season	2020-21	1979-80
Team	Denver Nuggets, Cleveland Cavaliers	Seattle Supersonics
Honors & Awards	-	All-Star Game
Playoffs	Did Not Play	Supersonics Lost West Conf Finals

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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
Jack Sikma	82	34.1	14.3	2.4	8.7	11.1	3.4	0.8	0.9	2.5	2.8	5.7	12.1	.475	0.0	0.0	.000	2.9	3.6	.805

Playoffs Stats
	G	Min	Pts	ORb	DRb	Reb	Ast	Stl	Blk	TO	PF	FGM / A		%	3PM / A		%	FTM / A		%
Isaiah Hartenstein	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Jack Sikma	15	35.6	11.7	2.0	6.4	8.4	3.7	1.1	0.3	2.3	3.7	4.3	10.9	.399	0.0	0.1	.000	3.1	3.6	.852


Season 4
	Isaiah Hartenstein	Jack Sikma
Season	2021-22	1980-81
Team	Los Angeles Clippers	Seattle Supersonics
Honors & Awards	-	All-Star Game
Playoffs	Did Not Play	Did Not Play

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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
Jack Sikma	82	35.6	18.7	2.2	8.1	10.4	3.0	1.0	1.1	2.5	3.4	7.3	16.0	.454	0.0	0.1	.000	4.1	5.0	.823

Playoffs Stats
	G	Min	Pts	ORb	DRb	Reb	Ast	Stl	Blk	TO	PF	FGM / A		%	3PM / A		%	FTM / A		%
Isaiah Hartenstein	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Jack Sikma	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-


Season 5
	Isaiah Hartenstein	Jack Sikma
Season	2022-23	1981-82
Team	New York Knicks	Seattle Supersonics
Honors & Awards	-	All-Defensive Second Team
Honors & Awards	-	All-Star Game
Playoffs	Knicks Lost East Conf Semis	Supersonics Lost West Conf Semis

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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
Jack Sikma	82	37.2	19.6	2.7	9.9	12.7	3.4	1.2	1.3	2.6	3.3	7.1	14.8	.479	0.0	0.2	.154	5.5	6.4	.855

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
Jack Sikma	8	39.4	20.5	2.6	9.5	12.1	3.0	1.1	1.0	2.0	4.3	7.1	16.0	.445	0.0	0.0	-	6.3	7.3	.862


Season 6
	Isaiah Hartenstein	Jack Sikma
Season	2023-24	1982-83
Team	New York Knicks	Seattle Supersonics
Honors & Awards	-	All-Star Game
Playoffs	Knicks TBD	Supersonics Lost West Conf 1st Rd

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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
Jack Sikma	75	34.2	18.2	2.8	8.6	11.4	3.1	1.2	0.9	2.5	3.5	6.5	13.9	.464	0.0	0.1	.000	5.3	6.4	.837

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
Jack Sikma	2	37.5	15.0	3.0	10.0	13.0	5.5	1.0	1.0	2.5	3.5	5.5	15.5	.355	0.0	0.5	.000	4.0	6.0	.667


Season 7
	Isaiah Hartenstein	Jack Sikma
Season	-	1983-84
Team	-	Seattle Supersonics
Honors & Awards	-	All-Star Game
Playoffs	-	Supersonics Lost West Conf 1st Rd

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Regular Season Stats
	G	Min	Pts	ORb	DRb	Reb	Ast	Stl	Blk	TO	PF	FGM / A		%	3PM / A		%	FTM / A		%
Isaiah Hartenstein	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Jack Sikma	82	36.5	19.1	2.7	8.4	11.1	4.0	1.2	1.1	2.9	3.7	7.0	14.1	.499	0.0	0.0	.000	5.0	5.9	.856

Playoffs Stats
	G	Min	Pts	ORb	DRb	Reb	Ast	Stl	Blk	TO	PF	FGM / A		%	3PM / A		%	FTM / A		%
Isaiah Hartenstein	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Jack Sikma	5	38.6	22.0	2.2	8.0	10.2	1.0	0.6	1.4	1.8	4.4	9.8	19.6	.500	0.0	0.2	.000	2.4	2.8	.857


Season 8
	Isaiah Hartenstein	Jack Sikma
Season	-	1984-85
Team	-	Seattle Supersonics
Honors & Awards	-	All-Star Game
Playoffs	-	Did Not Play

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Regular Season Stats
	G	Min	Pts	ORb	DRb	Reb	Ast	Stl	Blk	TO	PF	FGM / A		%	3PM / A		%	FTM / A		%
Isaiah Hartenstein	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Jack Sikma	68	35.3	18.5	2.4	8.2	10.6	4.2	1.2	1.3	2.4	3.5	6.8	13.9	.489	0.0	0.1	.200	4.9	5.8	.852

Playoffs Stats
	G	Min	Pts	ORb	DRb	Reb	Ast	Stl	Blk	TO	PF	FGM / A		%	3PM / A		%	FTM / A		%
Isaiah Hartenstein	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Jack Sikma	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-


Season 9
	Isaiah Hartenstein	Jack Sikma
Season	-	1985-86
Team	-	Seattle Supersonics
Honors & Awards
Playoffs	-	Did Not Play

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Regular Season Stats
	G	Min	Pts	ORb	DRb	Reb	Ast	Stl	Blk	TO	PF	FGM / A		%	3PM / A		%	FTM / A		%
Isaiah Hartenstein	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Jack Sikma	80	34.9	17.1	1.8	7.5	9.4	3.8	1.2	0.9	2.7	3.7	6.4	13.8	.462	0.0	0.2	.000	4.4	5.1	.864

Playoffs Stats
	G	Min	Pts	ORb	DRb	Reb	Ast	Stl	Blk	TO	PF	FGM / A		%	3PM / A		%	FTM / A		%
Isaiah Hartenstein	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Jack Sikma	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-


Season 10
	Isaiah Hartenstein	Jack Sikma
Season	-	1986-87
Team	-	Milwaukee Bucks
Honors & Awards
Playoffs	-	Bucks Lost East Conf Semis

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Regular Season Stats
	G	Min	Pts	ORb	DRb	Reb	Ast	Stl	Blk	TO	PF	FGM / A		%	3PM / A		%	FTM / A		%
Isaiah Hartenstein	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Jack Sikma	82	30.9	12.7	2.5	7.5	10.0	2.5	1.1	1.1	2.0	4.0	4.8	10.3	.463	0.0	0.0	.000	3.2	3.8	.847

Playoffs Stats
	G	Min	Pts	ORb	DRb	Reb	Ast	Stl	Blk	TO	PF	FGM / A		%	3PM / A		%	FTM / A		%
Isaiah Hartenstein	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Jack Sikma	12	35.5	16.2	2.8	8.1	10.8	1.9	1.3	0.8	1.5	4.7	6.1	12.5	.487	0.0	0.1	.000	4.0	4.1	.980


Season 11
	Isaiah Hartenstein	Jack Sikma
Season	-	1987-88
Team	-	Milwaukee Bucks
Honors & Awards
Playoffs	-	Bucks Lost East Conf 1st Rd

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Regular Season Stats
	G	Min	Pts	ORb	DRb	Reb	Ast	Stl	Blk	TO	PF	FGM / A		%	3PM / A		%	FTM / A		%
Isaiah Hartenstein	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Jack Sikma	82	35.6	16.5	2.4	6.3	8.6	3.4	1.1	1.0	1.9	3.9	6.3	12.9	.486	0.0	0.2	.214	3.9	4.2	.922

Playoffs Stats
	G	Min	Pts	ORb	DRb	Reb	Ast	Stl	Blk	TO	PF	FGM / A		%	3PM / A		%	FTM / A		%
Isaiah Hartenstein	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Jack Sikma	5	38.0	19.0	4.8	7.6	12.4	2.6	0.4	0.8	3.0	4.6	7.0	15.2	.461	0.0	0.6	.000	5.0	6.0	.833


Season 12
	Isaiah Hartenstein	Jack Sikma
Season	-	1988-89
Team	-	Milwaukee Bucks
Honors & Awards
Playoffs	-	Bucks Lost East Conf Semis

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Regular Season Stats
	G	Min	Pts	ORb	DRb	Reb	Ast	Stl	Blk	TO	PF	FGM / A		%	3PM / A		%	FTM / A		%
Isaiah Hartenstein	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Jack Sikma	80	32.3	13.4	1.8	6.0	7.8	3.6	1.1	0.8	1.8	3.8	4.5	10.4	.431	1.0	2.7	.380	3.3	3.7	.905

Playoffs Stats
	G	Min	Pts	ORb	DRb	Reb	Ast	Stl	Blk	TO	PF	FGM / A		%	3PM / A		%	FTM / A		%
Isaiah Hartenstein	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Jack Sikma	9	33.4	11.7	1.0	4.6	5.6	3.3	0.9	0.4	2.3	4.6	4.1	10.4	.394	0.9	3.1	.286	2.6	3.1	.821


Season 13
	Isaiah Hartenstein	Jack Sikma
Season	-	1989-90
Team	-	Milwaukee Bucks
Honors & Awards
Playoffs	-	Bucks Lost East Conf 1st Rd

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Regular Season Stats
	G	Min	Pts	ORb	DRb	Reb	Ast	Stl	Blk	TO	PF	FGM / A		%	3PM / A		%	FTM / A		%
Isaiah Hartenstein	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Jack Sikma	71	31.7	13.9	1.5	5.4	6.9	3.2	1.1	0.7	2.0	3.4	4.8	11.6	.416	1.0	2.8	.342	3.2	3.7	.885

Playoffs Stats
	G	Min	Pts	ORb	DRb	Reb	Ast	Stl	Blk	TO	PF	FGM / A		%	3PM / A		%	FTM / A		%
Isaiah Hartenstein	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Jack Sikma	4	29.3	5.0	0.0	3.5	3.5	1.8	0.5	1.0	3.0	4.8	1.5	5.8	.261	0.5	1.8	.286	1.5	2.0	.750


Season 14
	Isaiah Hartenstein	Jack Sikma
Season	-	1990-91
Team	-	Milwaukee Bucks
Honors & Awards
Playoffs	-	Bucks Lost East 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	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Jack Sikma	77	25.2	10.4	1.4	4.3	5.7	1.9	0.8	0.8	1.7	2.8	3.8	9.0	.427	0.6	1.8	.341	2.2	2.6	.843

Playoffs Stats
	G	Min	Pts	ORb	DRb	Reb	Ast	Stl	Blk	TO	PF	FGM / A		%	3PM / A		%	FTM / A		%
Isaiah Hartenstein	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Jack Sikma	3	17.0	4.7	1.0	3.0	4.0	2.0	1.7	0.3	1.0	1.3	2.0	5.0	.400	0.3	0.7	.500	0.3	0.7	.500

Isaiah Hartenstein vs. Jack Sikma Season by Season Comparison

Side by side comparison of each NBA season of Jack Sikma 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.

Their Careers

Comparison Season by Season

Rookie Season

Season 2

Season 3

Season 4

Season 5

Season 6

Season 7

Season 8

Season 9

Season 10

Season 11

Season 12

Season 13

Season 14