Bob Cousy vs. Isaiah Hartenstein Season by Season Comparison

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

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.

Bob Cousy played 14 years in the NBA, 6 more than Isaiah Hartenstein, who played 8. Bob Cousy had the first of his seasons in 1950-51, while Isaiah Hartenstein had his rookie season in 2018-19. 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 achievements, awards and championships won, the stats they recorded both in the Regular Season and the Playoffs and how their teams performed in the postseason.

Rookie Season
	Bob Cousy	Isaiah Hartenstein
Season	1950-51	2018-19
Team	Boston Celtics	Houston Rockets
Honors & Awards	All-Star Game	-
Playoffs	Celtics Lost East Div Semis	Rockets Lost West Conf Semis

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Rookie Season Stats Comparison
Regular Season Stats
	G	Min	Pts	ORb	DRb	Reb	Ast	Stl	Blk	TO	PF	FGM / A		%	3PM / A		%	FTM / A		%
Bob Cousy	69	-	15.6	-	-	6.9	4.9	-	-	-	2.7	5.8	16.5	.352	-	-	-	4.0	5.3	.756
difference:	+41		+13.7			+5.2	+4.4				-0.7	+5.1	+15.0	+.136				+3.6	+4.8	+.030
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
Playoffs Stats
	G	Min	Pts	ORb	DRb	Reb	Ast	Stl	Blk	TO	PF	FGM / A		%	3PM / A		%	FTM / A		%
Bob Cousy	2	-	14.0	-	-	7.5	6.0	-	-	-	4.0	4.5	21.0	.214	-	-	-	5.0	6.0	.833
difference:			+12.0			+7.0	+6.0				-3.5	+3.5	+20.0	+.786				+5.0	+6.0
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	-

Season 2
	Bob Cousy	Isaiah Hartenstein
Season	1951-52	2019-20
Team	Boston Celtics	Houston Rockets
Honors & Awards	All-NBA First Team	-
	All-Star Game	-
Playoffs	Celtics Lost East Div Semis	Did Not Play

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2nd Season Stats Comparison
Regular Season Stats
	G	Min	Pts	ORb	DRb	Reb	Ast	Stl	Blk	TO	PF	FGM / A		%	3PM / A		%	FTM / A		%
Bob Cousy	66	40.6	21.7	-	-	6.4	6.7	-	-	-	2.9	7.8	21.0	.369	-	-	-	6.2	7.7	.808
difference:	+43	+29.0	+17.0			+2.5	+5.9				-1.1	+5.9	+18.1	+.288				+5.4	+6.5	+.129
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
Playoffs Stats
	G	Min	Pts	ORb	DRb	Reb	Ast	Stl	Blk	TO	PF	FGM / A		%	3PM / A		%	FTM / A		%
Bob Cousy	3	46.0	31.0	-	-	4.0	6.3	-	-	-	4.3	8.7	21.7	.400	-	-	-	13.7	14.7	.932
Isaiah Hartenstein	DNP	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-

Season 3
	Bob Cousy	Isaiah Hartenstein
Season	1952-53	2020-21
Team	Boston Celtics	Denver Nuggets, Cleveland Cavaliers
Honors & Awards	All-NBA First Team	-
	Assists Leader	-
	All-Star Game	-
Playoffs	Celtics Lost East Div Finals	Did Not Play

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3rd Season Stats Comparison
Regular Season Stats
	G	Min	Pts	ORb	DRb	Reb	Ast	Stl	Blk	TO	PF	FGM / A		%	3PM / A		%	FTM / A		%
Bob Cousy	71	41.5	19.8	-	-	6.3	7.7	-	-	-	3.2	6.5	18.6	.352	-	-	-	6.7	8.3	.816
difference:	+25	+29.3	+14.7			+2.4	+6.5				-0.9	+4.5	+14.9	+.198				+5.7	+6.8	+.168
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
Playoffs Stats
	G	Min	Pts	ORb	DRb	Reb	Ast	Stl	Blk	TO	PF	FGM / A		%	3PM / A		%	FTM / A		%
Bob Cousy	6	45.0	25.5	-	-	4.2	6.2	-	-	-	3.5	7.7	20.0	.383	-	-	-	10.2	12.2	.836
Isaiah Hartenstein	DNP	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-

Season 4
	Bob Cousy	Isaiah Hartenstein
Season	1953-54	2021-22
Team	Boston Celtics	Los Angeles Clippers
Honors & Awards	All-NBA First Team	-
	Assists Leader	-
	All-Star Game	-
	All-Star Game MVP	-
Playoffs	Celtics Lost East Div Finals	Did Not Play

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4th Season Stats Comparison
Regular Season Stats
	G	Min	Pts	ORb	DRb	Reb	Ast	Stl	Blk	TO	PF	FGM / A		%	3PM / A		%	FTM / A		%
Bob Cousy	72	39.7	19.2	-	-	5.5	7.2	-	-	-	2.8	6.8	17.5	.385	-	-	-	5.7	7.3	.787
difference:	+4	+21.8	+10.9			+0.6	+4.8				-0.3	+3.4	+12.1	+.241				+4.4	+5.4	+.098
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
Playoffs Stats
	G	Min	Pts	ORb	DRb	Reb	Ast	Stl	Blk	TO	PF	FGM / A		%	3PM / A		%	FTM / A		%
Bob Cousy	6	43.3	21.0	-	-	5.3	6.3	-	-	-	3.3	5.5	19.3	.284	-	-	-	10.0	12.5	.800
Isaiah Hartenstein	DNP	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-

Season 5
	Bob Cousy	Isaiah Hartenstein
Season	1954-55	2022-23
Team	Boston Celtics	New York Knicks
Honors & Awards	All-NBA First Team	-
	Assists Leader	-
	All-Star Game	-
Playoffs	Celtics Lost East Div Finals	Knicks Lost East Conf Semis

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5th Season Stats Comparison
Regular Season Stats
	G	Min	Pts	ORb	DRb	Reb	Ast	Stl	Blk	TO	PF	FGM / A		%	3PM / A		%	FTM / A		%
Bob Cousy	71	38.7	21.2	-	-	6.0	7.8	-	-	-	2.3	7.4	18.5	.397	-	-	-	6.5	8.0	.807
difference:	+11	+18.8	+16.2			+0.5	+6.6				-0.3	+5.3	+14.5	+.138				+5.9	+7.1	+.131
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
Playoffs Stats
	G	Min	Pts	ORb	DRb	Reb	Ast	Stl	Blk	TO	PF	FGM / A		%	3PM / A		%	FTM / A		%
Bob Cousy	7	42.7	21.7	-	-	6.1	9.3	-	-	-	3.7	7.6	19.9	.381	-	-	-	6.6	6.9	.958
difference:	+4	+22.7	+18.6			+1.5	+8.0				-1.1	+6.6	+17.8	+.097				+5.5	+5.4	+.208
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

Season 6
	Bob Cousy	Isaiah Hartenstein
Season	1955-56	2023-24
Team	Boston Celtics	New York Knicks
Honors & Awards	All-NBA First Team	-
	Assists Leader	-
	All-Star Game	-
Playoffs	Celtics Lost East Div Semis	Knicks Lost East Conf Semis

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6th Season Stats Comparison
Regular Season Stats
	G	Min	Pts	ORb	DRb	Reb	Ast	Stl	Blk	TO	PF	FGM / A		%	3PM / A		%	FTM / A		%
Bob Cousy	72	38.4	18.8	-	-	6.8	8.9	-	-	-	2.9	6.1	17.0	.360	-	-	-	6.6	7.8	.844
difference:	+3	+13.1	+11.0			+1.5	+6.4				-0.1	+3.0	+12.1	+.284				+5.1	+5.7	+.137
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	-	1.5	2.1	.707
Playoffs Stats
	G	Min	Pts	ORb	DRb	Reb	Ast	Stl	Blk	TO	PF	FGM / A		%	3PM / A		%	FTM / A		%
Bob Cousy	3	41.3	26.3	-	-	8.0	8.7	-	-	-	1.3	9.3	18.7	.500	-	-	-	7.7	8.3	.920
difference:	+10	+11.5	+17.8			+0.2	+5.2				-1.9	+5.8	+12.9	+.092				+6.2	+6.6	+.056
Isaiah Hartenstein	13	29.8	8.5	3.8	4.1	7.8	3.5	0.3	0.9	1.5	3.2	3.5	5.8	.592	0.1	0.2	.500	1.5	1.7	.864

Season 7
	Bob Cousy	Isaiah Hartenstein
Season	1956-57	2024-25
Team	Boston Celtics	Oklahoma City Thunder
Honors & Awards	Season MVP	-
	All-NBA First Team	-
	Assists Leader	-
	All-Star Game	-
	All-Star Game MVP	-
Playoffs	NBA Champion	NBA Champion

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7th Season Stats Comparison
Regular Season Stats
	G	Min	Pts	ORb	DRb	Reb	Ast	Stl	Blk	TO	PF	FGM / A		%	3PM / A		%	FTM / A		%
Bob Cousy	64	36.9	20.6	-	-	4.8	7.5	-	-	-	2.1	7.5	19.8	.378	-	-	-	5.7	6.9	.821
difference:	+7	+9.0	+9.4			+5.9	+3.7				-0.9	+2.6	+11.4	+.203				+4.3	+4.8	+.146
Isaiah Hartenstein	57	27.9	11.2	2.9	7.9	10.7	3.8	0.8	1.1	1.7	3.0	4.9	8.4	.581	0.0	0.3	.000	1.4	2.1	.675
Playoffs Stats
	G	Min	Pts	ORb	DRb	Reb	Ast	Stl	Blk	TO	PF	FGM / A		%	3PM / A		%	FTM / A		%
Bob Cousy	10	44.0	20.2	-	-	6.1	9.3	-	-	-	2.7	6.7	20.7	.324	-	-	-	6.8	9.1	.747
difference:	+13	+21.6	+12.1			+1.4	+7.1				-0.2	+3.1	+14.9	+.295				+5.9	+7.8	+.080
Isaiah Hartenstein	23	22.4	8.1	2.7	4.8	7.5	2.2	0.8	0.5	1.2	2.5	3.6	5.8	.619	0.0	0.0	-	0.9	1.3	.667

Season 8
	Bob Cousy	Isaiah Hartenstein
Season	1957-58	2025-26
Team	Boston Celtics	Oklahoma City Thunder
Honors & Awards	All-NBA First Team	-
	Assists Leader	-
	All-Star Game	-
Playoffs	Celtics Lost NBA Finals	Did Not Play

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8th Season Stats Comparison
Regular Season Stats
	G	Min	Pts	ORb	DRb	Reb	Ast	Stl	Blk	TO	PF	FGM / A		%	3PM / A		%	FTM / A		%
Bob Cousy	65	34.2	18.0	-	-	5.0	7.1	-	-	-	2.1	6.8	19.4	.353	-	-	-	4.3	5.0	.850
difference:	+60	+1.6	+9.0			+6.6	+4.7				-1.3	+2.6	+12.2	+.230				+3.7	+3.6	+.421
Isaiah Hartenstein	5	32.6	9.0	3.0	8.6	11.6	2.4	1.0	0.4	1.6	3.4	4.2	7.2	.583	0.0	0.4	.000	0.6	1.4	.429
Playoffs Stats
	G	Min	Pts	ORb	DRb	Reb	Ast	Stl	Blk	TO	PF	FGM / A		%	3PM / A		%	FTM / A		%
Bob Cousy	11	41.5	18.0	-	-	6.5	7.5	-	-	-	1.8	6.1	17.8	.342	-	-	-	5.8	6.8	.853
Isaiah Hartenstein	DNP	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-

Additional Years
* Bob Cousy played 6 seasons more than Isaiah Hartenstein in the NBA. In that period—his seasons 9 to 14, from 1959 to 1970—Bob Cousy played in 5 Playoffs and won 5 NBA Championships. In those 6 extra years over Isaiah Hartenstein, Bob Cousy got these achievements:
Honors & Awards	3 All-NBA First Team 2 All-NBA Second Team 2 Assists Leader 5 All-Star Game