James Posey vs. Robert Williams III Season by Season Comparison

Side by side comparison of each NBA season of Robert Williams III and James Posey, 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.

James Posey played 12 years in the NBA, 6 more than Robert Williams III, who played 6. James Posey had the first of his seasons in 1999-00, 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
James Posey	12	6	1999-00 to 2010-11
Robert Williams III	6	5	2018-19 to 2023-24

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


Rookie Season
	James Posey	Robert Williams III
Season	1999-00	2018-19
Team	Denver Nuggets	Boston Celtics
Honors & Awards	All-Rookie Second Team	-
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		%
James Posey	81	25.3	8.2	1.0	2.9	3.9	1.8	1.2	0.4	1.2	2.6	2.8	6.6	.429	1.0	2.7	.373	1.5	1.9	.800
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		%
James Posey	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
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
	James Posey	Robert Williams III
Season	2000-01	2019-20
Team	Denver Nuggets	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		%
James Posey	82	27.5	8.1	1.5	3.7	5.3	2.0	1.1	0.5	1.2	2.8	3.0	7.2	.412	0.8	2.6	.300	1.4	1.7	.816
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		%
James Posey	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
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
	James Posey	Robert Williams III
Season	2001-02	2020-21
Team	Denver Nuggets	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		%
James Posey	73	30.7	10.7	1.5	4.4	5.9	2.5	1.6	0.5	1.7	3.1	3.8	10.1	.376	0.9	3.2	.283	2.2	2.8	.793
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		%
James Posey	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
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
	James Posey	Robert Williams III
Season	2002-03	2021-22
Team	Denver Nuggets, Houston Rockets	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		%
James Posey	83	30.3	10.8	1.1	4.0	5.1	2.2	1.3	0.2	1.7	2.4	3.7	9.1	.411	0.8	2.8	.306	2.5	3.0	.833
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		%
James Posey	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
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
	James Posey	Robert Williams III
Season	2003-04	2022-23
Team	Memphis Grizzlies	Boston Celtics
Honors & Awards
Playoffs	Grizzlies Lost West Conf 1st Rd	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		%
James Posey	82	29.9	13.7	1.1	3.8	4.9	1.5	1.7	0.5	1.4	3.0	4.5	9.4	.478	1.4	3.5	.386	3.4	4.1	.830
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		%
James Posey	4	32.3	12.5	2.0	3.5	5.5	1.0	2.3	0.5	1.5	3.3	3.8	9.3	.405	0.3	1.5	.167	4.8	5.3	.905
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
	James Posey	Robert Williams III
Season	2004-05	2023-24
Team	Memphis Grizzlies	Portland Trail Blazers
Honors & Awards
Playoffs	Grizzlies Lost West Conf 1st Rd	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		%
James Posey	50	27.6	8.1	0.9	3.5	4.4	1.8	1.0	0.5	1.4	2.7	2.5	7.1	.357	1.1	3.6	.309	1.9	2.2	.865
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		%
James Posey	4	25.3	9.8	0.3	3.0	3.3	1.0	0.5	0.3	1.3	3.5	2.8	6.3	.440	1.8	3.8	.467	2.5	3.3	.769
Robert Williams III	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-


Season 7
	James Posey	Robert Williams III
Season	2005-06	-
Team	Miami Heat	-
Honors & Awards
Playoffs	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		%
James Posey	67	28.6	7.2	0.5	4.3	4.8	1.3	0.8	0.3	0.9	2.9	2.4	5.9	.403	1.7	4.3	.403	0.7	0.9	.787
Robert Williams III	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-

Playoffs Stats
	G	Min	Pts	ORb	DRb	Reb	Ast	Stl	Blk	TO	PF	FGM / A		%	3PM / A		%	FTM / A		%
James Posey	22	27.6	7.3	0.7	5.0	5.7	0.9	0.8	0.1	0.5	3.2	2.2	5.2	.430	1.6	3.8	.422	1.2	1.7	.730
Robert Williams III	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-


Season 8
	James Posey	Robert Williams III
Season	2006-07	-
Team	Miami Heat	-
Honors & Awards
Playoffs	Heat 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		%
James Posey	71	27.0	7.7	0.9	4.1	5.0	1.3	1.0	0.3	0.8	2.7	2.6	6.1	.431	1.4	3.6	.375	1.1	1.4	.827
Robert Williams III	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-

Playoffs Stats
	G	Min	Pts	ORb	DRb	Reb	Ast	Stl	Blk	TO	PF	FGM / A		%	3PM / A		%	FTM / A		%
James Posey	4	34.8	7.8	0.3	7.5	7.8	1.5	2.0	1.3	1.3	4.5	2.5	6.5	.385	1.5	4.8	.316	1.3	1.3	1.000
Robert Williams III	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-


Season 9
	James Posey	Robert Williams III
Season	2007-08	-
Team	Boston Celtics	-
Honors & Awards
Playoffs	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		%
James Posey	74	24.6	7.4	0.4	3.9	4.4	1.5	1.0	0.3	0.9	2.5	2.3	5.6	.418	1.4	3.8	.380	1.3	1.6	.809
Robert Williams III	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-

Playoffs Stats
	G	Min	Pts	ORb	DRb	Reb	Ast	Stl	Blk	TO	PF	FGM / A		%	3PM / A		%	FTM / A		%
James Posey	26	22.0	6.7	0.5	3.1	3.6	1.1	1.0	0.3	0.5	2.3	2.0	4.6	.437	1.3	3.4	.398	1.3	1.5	.875
Robert Williams III	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-


Season 10
	James Posey	Robert Williams III
Season	2008-09	-
Team	New Orleans Hornets	-
Honors & Awards
Playoffs	Hornets 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		%
James Posey	75	28.5	8.9	0.5	4.3	4.8	1.1	0.8	0.3	1.1	2.9	2.9	7.0	.412	1.5	4.2	.369	1.6	1.9	.822
Robert Williams III	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-

Playoffs Stats
	G	Min	Pts	ORb	DRb	Reb	Ast	Stl	Blk	TO	PF	FGM / A		%	3PM / A		%	FTM / A		%
James Posey	5	24.6	11.4	1.0	5.2	6.2	0.6	0.6	0.0	2.0	2.4	3.0	8.0	.375	1.0	3.8	.263	4.4	5.2	.846
Robert Williams III	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-


Season 11
	James Posey	Robert Williams III
Season	2009-10	-
Team	New Orleans Hornets	-
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		%
James Posey	77	22.5	5.2	0.4	3.9	4.3	1.5	0.5	0.2	0.7	2.6	1.6	4.5	.365	1.1	3.1	.335	0.9	1.0	.825
Robert Williams III	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-

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


Season 12
	James Posey	Robert Williams III
Season	2010-11	-
Team	Indiana Pacers	-
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		%
James Posey	49	17.1	4.9	0.2	2.8	3.0	0.7	0.5	0.1	0.5	2.1	1.7	4.9	.336	1.4	4.3	.316	0.2	0.3	.733
Robert Williams III	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-

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

James Posey vs. Robert Williams III Season by Season Comparison

Side by side comparison of each NBA season of Robert Williams III and James Posey, 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