Cooper Flagg vs. Klay Thompson Season by Season Comparison

Side by side comparison of each NBA season of Klay Thompson 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, 12 less than Klay Thompson, who played 13. Cooper Flagg had his first NBA Season in 2025-26, while Klay Thompson 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	Klay Thompson
Season	2025-26	2011-12
Team	Dallas Mavericks	Golden State Warriors
Honors & Awards	-	All-Rookie First 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:	+65	+7.6	+2.5	+0.6	+6.9	+7.6	+2.0	+0.3	+0.3	-1.4	-0.7	+0.8	+2.1	+.135	+1.7	+3.1	+.414	+0.8	+0.6	+.132
Klay Thompson	66	24.4	12.5	0.4	2.1	2.4	2.0	0.7	0.3	1.6	2.3	4.8	10.9	.443	1.7	4.1	.414	1.2	1.4	.868
Playoffs Stats
* Neiher Cooper Flagg nor Klay Thompson played in the postseason in their season 1

Additional Years
* Klay Thompson played 12 seasons more than Cooper Flagg in the NBA. In that period—his seasons 2 to 13, from 2013 to 2026—Klay Thompson played in 9 Playoffs and won 4 NBA Championships. In those 12 extra years over Cooper Flagg, Klay Thompson got these achievements:
Honors & Awards	2 All-NBA Third Team 1 All-Defensive Second Team 5 All-Star Game