Larry Costello vs. Robert Williams III Season by Season Comparison

Side by side comparison of each NBA season of Robert Williams III and Larry Costello, 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.

Larry Costello played 12 years in the NBA, 6 more than Robert Williams III, who played 6. Larry Costello had the first of his seasons in 1954-55, 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.

Note: Larry Costello didn't play in 1955-56.

Season 3
	Larry Costello	Robert Williams III
Season	1957-58	2020-21
Team	Syracuse Nationals	Boston Celtics
Honors & Awards	All-Star Game	-
Playoffs	Nationals Lost East Div Semis	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		%
Larry Costello	72	38.1	14.9	-	-	5.3	4.4	-	-	-	3.4	5.3	12.3	.426	-	-	-	4.4	5.3	.847
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		%
Larry Costello	3	44.7	11.3	-	-	8.3	4.0	-	-	-	2.0	3.3	11.3	.294	-	-	-	4.7	4.7	1.000
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
	Larry Costello	Robert Williams III
Season	1958-59	2021-22
Team	Syracuse Nationals	Boston Celtics
Honors & Awards	-	All-Defensive Second Team
	All-Star Game	-
Playoffs	Nationals Lost East Div Finals	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		%
Larry Costello	70	39.3	15.8	-	-	5.2	5.4	-	-	-	3.8	5.9	13.5	.437	-	-	-	4.0	5.0	.802
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		%
Larry Costello	9	40.1	17.7	-	-	5.9	6.0	-	-	-	4.4	6.0	13.4	.446	-	-	-	5.7	6.8	.836
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
	Larry Costello	Robert Williams III
Season	1959-60	2022-23
Team	Syracuse Nationals	Boston Celtics
Honors & Awards	All-Star Game	-
Playoffs	Nationals Lost East Div 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		%
Larry Costello	71	34.8	14.0	-	-	5.5	6.3	-	-	-	3.3	5.2	11.6	.453	-	-	-	3.5	4.1	.862
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		%
Larry Costello	3	40.7	16.7	-	-	4.7	6.7	-	-	-	5.0	6.7	15.7	.426	-	-	-	3.3	4.0	.833
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
	Larry Costello	Robert Williams III
Season	1960-61	2023-24
Team	Syracuse Nationals	Portland Trail Blazers
Honors & Awards	All-NBA Second Team	-
	All-Star Game	-
Playoffs	Nationals Lost East Div Finals	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		%
Larry Costello	75	28.9	14.5	-	-	3.9	5.5	-	-	-	3.8	5.4	11.3	.482	-	-	-	3.6	4.5	.799
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		%
Larry Costello	8	33.6	16.4	-	-	4.4	6.5	-	-	-	4.9	5.3	12.9	.408	-	-	-	5.9	6.9	.855
Robert Williams III	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-

Season 7
	Larry Costello	Robert Williams III
Season	1961-62	-
Team	Syracuse Nationals	-
Honors & Awards	All-Star Game	-
Playoffs	Nationals Lost East Div 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		%
Larry Costello	63	29.4	13.8	-	-	3.9	5.7	-	-	-	3.5	4.9	11.5	.427	-	-	-	3.9	4.7	.837
Robert Williams III	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Playoffs Stats
	G	Min	Pts	ORb	DRb	Reb	Ast	Stl	Blk	TO	PF	FGM / A		%	3PM / A		%	FTM / A		%
Larry Costello	5	33.4	14.6	-	-	3.2	5.6	-	-	-	4.2	4.4	10.2	.431	-	-	-	5.8	6.6	.879
Robert Williams III	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-

Season 10
	Larry Costello	Robert Williams III
Season	1964-65	-
Team	Philadelphia 76ers	-
Honors & Awards	All-Star Game	-
Playoffs	76ers Lost East Div 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		%
Larry Costello	64	30.7	13.5	-	-	2.6	4.3	-	-	-	3.8	4.8	10.9	.445	-	-	-	3.8	4.3	.877
Robert Williams III	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Playoffs Stats
	G	Min	Pts	ORb	DRb	Reb	Ast	Stl	Blk	TO	PF	FGM / A		%	3PM / A		%	FTM / A		%
Larry Costello	10	20.7	5.5	-	-	1.2	2.0	-	-	-	4.3	2.2	5.3	.415	-	-	-	1.1	1.6	.688
Robert Williams III	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-

Note: Larry Costello didn't play in 1965-66.

Season 11
	Larry Costello	Robert Williams III
Season	1966-67	-
Team	Philadelphia 76ers	-
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		%
Larry Costello	49	19.9	7.8	-	-	2.1	2.9	-	-	-	2.9	2.7	6.0	.444	-	-	-	2.4	2.7	.902
Robert Williams III	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Playoffs Stats
	G	Min	Pts	ORb	DRb	Reb	Ast	Stl	Blk	TO	PF	FGM / A		%	3PM / A		%	FTM / A		%
Larry Costello	2	12.5	8.5	-	-	2.0	1.5	-	-	-	1.0	3.0	4.0	.750	-	-	-	2.5	2.5	1.000
Robert Williams III	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-