Cooper Flagg vs. Dereck Lively II Season by Season Comparison

Side by side comparison of each NBA season of Dereck Lively II 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, 2 less than Dereck Lively II, who played 3. Cooper Flagg had his first NBA Season in 2025-26, while Dereck Lively II had his rookie season in 2023-24. 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	Dereck Lively II
Season	2025-26	2023-24
Team	Dallas Mavericks	Dallas Mavericks
Honors & Awards	-	All-Rookie Second Team
Playoffs	Did Not Play	Mavericks Lost NBA Finals

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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:	+54	+8.5	+1.2	+1.5	+4.6	+3.1	+1.1	+0.3	+1.4	-2.1	-0.4		+7.6	+.439		+1.0		+1.3	+0.5	+.494
Dereck Lively II	55	23.5	8.8	2.5	4.4	6.9	1.1	0.7	1.4	0.9	2.6	4.0	5.4	.747	0.0	0.0	-	0.7	1.5	.506
Playoffs Stats
	G	Min	Pts	ORb	DRb	Reb	Ast	Stl	Blk	TO	PF	FGM / A		%	3PM / A		%	FTM / A		%
Cooper Flagg	DNP	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Dereck Lively II	21	22.0	7.9	2.7	4.7	7.4	1.3	0.4	1.0	1.0	2.3	3.0	4.5	.674	0.0	0.0	-	1.7	2.9	.590