Cooper Flagg vs. John Havlicek Season by Season Comparison

Side by side comparison of each NBA season of John Havlicek 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, 15 less than John Havlicek, who played 16. Cooper Flagg had his first NBA Season in 2025-26, while John Havlicek had his rookie season in 1962-63. 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	John Havlicek
Season	2025-26	1962-63
Team	Dallas Mavericks	Boston Celtics
Honors & Awards	-	All-Rookie First Team
Playoffs	Did Not Play	NBA Champion

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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:	+79	+4.5	+4.3			+3.3	+2.2				-0.6	+2.0	+0.6	+.137				+0.2	+1.0	+.272
John Havlicek	80	27.5	14.3	-	-	6.7	2.2	-	-	-	2.4	6.0	13.6	.445	-	-	-	2.2	3.0	.728
Playoffs Stats
	G	Min	Pts	ORb	DRb	Reb	Ast	Stl	Blk	TO	PF	FGM / A		%	3PM / A		%	FTM / A		%
Cooper Flagg	DNP	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
John Havlicek	11	23.1	11.8	-	-	4.8	1.5	-	-	-	2.5	5.1	11.4	.448	-	-	-	1.6	2.5	.667

Additional Years
* John Havlicek played 15 seasons more than Cooper Flagg in the NBA. In that period—his seasons 2 to 16, from 1964 to 1978—John Havlicek played in 12 Playoffs and won 7 NBA Championships. In those 15 extra years over Cooper Flagg, John Havlicek got these achievements:
Honors & Awards	1 Finals MVP 4 All-NBA First Team 7 All-NBA Second Team 5 All-Defensive First Team 3 All-Defensive Second Team 13 All-Star Game