Cooper Flagg vs. Isaiah Thomas Season by Season Comparison

Side by side comparison of each NBA season of Isaiah Thomas and Cooper Flagg, 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.

Cooper Flagg played 1 year in the NBA, 11 less than Isaiah Thomas, who played 12. Cooper Flagg had his first NBA Season in 2025-26, while Isaiah Thomas had his rookie season in 2011-12. 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
	Cooper Flagg	Isaiah Thomas
Season	2025-26	2011-12
Team	Dallas Mavericks	Sacramento Kings
Honors & Awards	-	All-Rookie Second Team
Playoffs	Did Not Play	Did Not Play

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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		%
Cooper Flagg	1	32.0	10.0	1.0	9.0	10.0	0.0	1.0	0.0	3.0	3.0	4.0	13.0	.308	0.0	1.0	.000	2.0	2.0	1.000
difference:	+64	+6.5	+1.5	+0.3	+7.2	+7.4	+4.1	+0.2	+0.1	-1.4	-1.1	+0.1	+4.2	+.140	+1.3	+2.4	+.379	+0.4	+0.8	+.168
Isaiah Thomas	65	25.5	11.5	0.7	1.8	2.6	4.1	0.8	0.1	1.6	1.9	3.9	8.8	.448	1.3	3.4	.379	2.4	2.8	.832
Playoffs Stats
* Neiher Cooper Flagg nor Isaiah Thomas played in the postseason in their season 1

Additional Years
* Isaiah Thomas played 11 seasons more than Cooper Flagg in the NBA. In that period—his seasons 2 to 12, from 2013 to 2024—Isaiah Thomas played in 4 Playoffs. In those 11 extra years over Cooper Flagg, Isaiah Thomas got these achievements:
Honors & Awards	1 All-NBA Second Team 2 All-Star Game