Cooper Flagg vs. Paul Pierce Season by Season Comparison

Side by side comparison of each NBA season of Paul Pierce 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, 18 less than Paul Pierce, who played 19. Cooper Flagg had his first NBA Season in 2025-26, while Paul Pierce had his rookie season in 1998-99. 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	Paul Pierce
Season	2025-26	1998-99
Team	Dallas Mavericks	Boston Celtics
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:	+47	+2.0	+6.5	+1.4	+5.0	+3.6	+2.4	+0.7	+1.0	-0.6	-0.1	+1.9	+0.5	+.131	+1.8	+3.3	+.412	+0.9	+2.1	+.287
Paul Pierce	48	34.0	16.5	2.4	4.0	6.4	2.4	1.7	1.0	2.4	2.9	5.9	13.5	.439	1.8	4.3	.412	2.9	4.1	.713
Playoffs Stats
* Neiher Cooper Flagg nor Paul Pierce played in the postseason in their season 1

Additional Years
* Paul Pierce played 18 seasons more than Cooper Flagg in the NBA. In that period—his seasons 2 to 19, from 2000 to 2017—Paul Pierce played in 14 Playoffs and won one NBA Championship. In those 18 extra years over Cooper Flagg, Paul Pierce got these achievements:
Honors & Awards	1 Finals MVP 1 All-NBA Second Team 3 All-NBA Third Team 10 All-Star Game