Rich Kelley vs. Robert Williams III Season by Season Comparison

Side by side comparison of each NBA season of Robert Williams III and Rich Kelley, 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.

Rich Kelley played 11 years in the NBA, 5 more than Robert Williams III, who played 6. Rich Kelley had the first of his seasons in 1975-76, while Robert Williams III 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 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
Rich Kelley	11	6	1975-76 to 1985-86
Robert Williams III	6	5	2018-19 to 2023-24

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


Rookie Season
	Rich Kelley	Robert Williams III
Season	1975-76	2018-19
Team	New Orleans Jazz	Boston Celtics
Honors & Awards
Playoffs	Did Not Play	Celtics 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		%
Rich Kelley	75	17.9	7.0	2.6	4.5	7.0	2.1	0.7	0.8	-	2.8	2.5	5.1	.485	-	-	-	2.1	2.7	.776
Robert Williams III	32	8.8	2.5	0.8	1.7	2.5	0.2	0.3	1.3	0.3	1.1	1.1	1.6	.706	0.0	0.0	-	0.3	0.5	.600

Playoffs Stats
	G	Min	Pts	ORb	DRb	Reb	Ast	Stl	Blk	TO	PF	FGM / A		%	3PM / A		%	FTM / A		%
Rich Kelley	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Robert Williams III	3	4.3	1.3	0.3	2.0	2.3	0.0	0.0	0.0	0.0	0.3	0.3	0.7	.500	0.0	0.0	-	0.7	0.7	1.000


Season 2
	Rich Kelley	Robert Williams III
Season	1976-77	2019-20
Team	New Orleans Jazz	Boston Celtics
Honors & Awards
Playoffs	Did Not Play	Celtics Lost East 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		%
Rich Kelley	76	19.8	6.9	2.8	5.0	7.7	2.7	0.6	0.8	-	3.2	2.4	5.1	.477	-	-	-	2.1	2.6	.792
Robert Williams III	29	13.4	5.2	1.4	3.0	4.4	0.9	0.8	1.2	0.7	1.8	2.2	3.0	.727	0.0	0.0	-	0.8	1.2	.647

Playoffs Stats
	G	Min	Pts	ORb	DRb	Reb	Ast	Stl	Blk	TO	PF	FGM / A		%	3PM / A		%	FTM / A		%
Rich Kelley	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Robert Williams III	13	11.5	3.7	1.7	2.2	3.9	0.8	0.2	0.5	0.5	1.4	1.8	2.4	.742	0.0	0.1	.000	0.2	0.5	.333


Season 3
	Rich Kelley	Robert Williams III
Season	1977-78	2020-21
Team	New Orleans Jazz	Boston Celtics
Honors & Awards
Playoffs	Did Not Play	Celtics 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		%
Rich Kelley	82	25.8	10.2	3.0	6.2	9.3	2.8	1.1	1.6	2.7	3.6	3.7	7.3	.505	-	-	-	2.7	3.5	.779
Robert Williams III	52	18.9	8.0	2.6	4.3	6.9	1.8	0.8	1.8	1.0	2.0	3.6	5.0	.721	0.0	0.0	.000	0.9	1.4	.616

Playoffs Stats
	G	Min	Pts	ORb	DRb	Reb	Ast	Stl	Blk	TO	PF	FGM / A		%	3PM / A		%	FTM / A		%
Rich Kelley	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Robert Williams III	3	15.3	6.3	2.7	2.3	5.0	0.7	0.3	3.0	0.3	2.3	3.0	4.7	.643	0.0	0.0	-	0.3	0.7	.500


Season 4
	Rich Kelley	Robert Williams III
Season	1978-79	2021-22
Team	New Orleans Jazz	Boston Celtics
Honors & Awards	-	All-Defensive Second Team
Playoffs	Did Not Play	Celtics 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		%
Rich Kelley	80	33.8	15.7	3.8	9.0	12.8	3.6	1.6	2.1	3.6	3.9	5.5	10.9	.506	-	-	-	4.7	5.7	.814
Robert Williams III	61	29.6	10.0	3.9	5.7	9.6	2.0	0.9	2.2	1.0	2.2	4.4	6.0	.736	0.0	0.0	.000	1.1	1.5	.722

Playoffs Stats
	G	Min	Pts	ORb	DRb	Reb	Ast	Stl	Blk	TO	PF	FGM / A		%	3PM / A		%	FTM / A		%
Rich Kelley	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Robert Williams III	17	23.2	7.7	2.5	3.6	6.2	1.0	0.7	2.2	0.6	2.0	3.1	4.6	.679	0.0	0.1	.000	1.5	1.6	.893


Season 5
	Rich Kelley	Robert Williams III
Season	1979-80	2022-23
Team	New Jersey Nets, Phoenix Suns	Boston Celtics
Honors & Awards
Playoffs	Suns Lost West Conf Semis	Celtics Lost East 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		%
Rich Kelley	80	23.0	8.8	2.5	3.9	6.4	2.2	1.0	1.2	2.5	3.4	2.9	6.1	.473	0.0	0.0	.000	3.1	3.9	.787
Robert Williams III	35	23.5	8.0	3.0	5.4	8.3	1.4	0.6	1.4	1.0	1.9	3.6	4.9	.747	0.0	0.0	.000	0.7	1.2	.610

Playoffs Stats
	G	Min	Pts	ORb	DRb	Reb	Ast	Stl	Blk	TO	PF	FGM / A		%	3PM / A		%	FTM / A		%
Rich Kelley	8	18.3	5.9	1.8	2.8	4.5	2.8	1.1	0.9	1.3	2.1	2.4	5.5	.432	0.0	0.1	.000	1.1	1.3	.900
Robert Williams III	20	20.9	7.7	1.8	4.2	6.0	1.0	0.5	1.3	0.8	2.2	3.4	4.3	.788	0.0	0.1	.000	1.0	1.4	.679


Season 6
	Rich Kelley	Robert Williams III
Season	1980-81	2023-24
Team	Phoenix Suns	Portland Trail Blazers
Honors & Awards
Playoffs	Suns Lost West Conf Semis	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		%
Rich Kelley	81	20.8	7.0	1.6	3.8	5.4	3.5	1.0	0.8	2.6	2.6	2.4	4.8	.506	0.0	0.0	.000	2.2	2.9	.758
Robert Williams III	6	19.8	6.8	1.8	4.5	6.3	0.8	1.2	1.2	1.2	2.8	2.8	4.3	.654	0.0	0.0	-	1.2	1.5	.778

Playoffs Stats
	G	Min	Pts	ORb	DRb	Reb	Ast	Stl	Blk	TO	PF	FGM / A		%	3PM / A		%	FTM / A		%
Rich Kelley	7	16.1	4.1	1.9	3.1	5.0	1.9	0.9	0.4	2.0	1.7	1.4	3.6	.400	0.0	0.1	.000	1.3	2.0	.643
Robert Williams III	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-


Season 7
	Rich Kelley	Robert Williams III
Season	1981-82	-
Team	Phoenix Suns	-
Honors & Awards
Playoffs	Suns 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		%
Rich Kelley	81	23.4	7.9	2.1	4.1	6.1	3.6	0.8	0.9	3.0	3.6	2.9	6.2	.467	0.0	0.0	.000	2.1	2.8	.749
Robert Williams III	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-

Playoffs Stats
	G	Min	Pts	ORb	DRb	Reb	Ast	Stl	Blk	TO	PF	FGM / A		%	3PM / A		%	FTM / A		%
Rich Kelley	7	27.3	9.7	2.6	4.3	6.9	4.3	0.9	0.4	1.7	3.6	3.9	7.7	.500	0.0	0.0	-	2.0	2.9	.700
Robert Williams III	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-


Season 8
	Rich Kelley	Robert Williams III
Season	1982-83	-
Team	Denver Nuggets, Utah Jazz	-
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		%
Rich Kelley	70	19.2	5.7	1.9	3.9	5.8	2.0	0.8	0.6	1.7	3.2	1.9	4.2	.444	0.0	0.0	-	2.0	2.5	.811
Robert Williams III	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-

Playoffs Stats
	G	Min	Pts	ORb	DRb	Reb	Ast	Stl	Blk	TO	PF	FGM / A		%	3PM / A		%	FTM / A		%
Rich Kelley	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Robert Williams III	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-


Season 9
	Rich Kelley	Robert Williams III
Season	1983-84	-
Team	Utah Jazz	-
Honors & Awards
Playoffs	Jazz 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		%
Rich Kelley	75	22.3	5.2	1.9	4.7	6.5	2.1	0.7	0.4	2.0	3.6	1.8	3.5	.500	0.0	0.0	-	1.7	2.2	.765
Robert Williams III	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-

Playoffs Stats
	G	Min	Pts	ORb	DRb	Reb	Ast	Stl	Blk	TO	PF	FGM / A		%	3PM / A		%	FTM / A		%
Rich Kelley	11	18.3	5.0	1.7	3.5	5.3	2.0	0.8	0.5	1.5	3.8	1.4	2.5	.556	0.0	0.0	-	2.3	2.6	.862
Robert Williams III	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-


Season 10
	Rich Kelley	Robert Williams III
Season	1984-85	-
Team	Utah Jazz	-
Honors & Awards
Playoffs	Jazz 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		%
Rich Kelley	77	16.6	3.8	1.5	3.0	4.5	1.6	0.5	0.4	1.6	2.9	1.3	2.8	.477	0.0	0.0	.000	1.1	1.5	.750
Robert Williams III	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-

Playoffs Stats
	G	Min	Pts	ORb	DRb	Reb	Ast	Stl	Blk	TO	PF	FGM / A		%	3PM / A		%	FTM / A		%
Rich Kelley	9	19.3	5.4	2.8	3.6	6.3	1.6	0.8	0.6	1.6	3.6	2.0	4.2	.474	0.0	0.0	-	1.4	1.7	.867
Robert Williams III	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-


Season 11
	Rich Kelley	Robert Williams III
Season	1985-86	-
Team	Sacramento Kings	-
Honors & Awards
Playoffs	Kings 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		%
Rich Kelley	37	8.8	2.0	0.8	1.4	2.2	1.2	0.3	0.1	0.6	1.7	0.8	1.3	.571	0.0	0.1	.000	0.5	0.6	.818
Robert Williams III	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-

Playoffs Stats
	G	Min	Pts	ORb	DRb	Reb	Ast	Stl	Blk	TO	PF	FGM / A		%	3PM / A		%	FTM / A		%
Rich Kelley	3	11.7	3.7	2.0	2.0	4.0	1.3	0.7	0.0	0.7	1.7	1.0	3.0	.333	0.0	0.0	-	1.7	2.0	.833
Robert Williams III	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-

Rich Kelley vs. Robert Williams III Season by Season Comparison

Side by side comparison of each NBA season of Robert Williams III and Rich Kelley, 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