Robert Parish had the most games by a player in his first 20 seasons, with 1,568 games.

Interpreted as:

most regular-season games by a player in first 20 seasons

	NAME	GP	MPG	PPG	RPG	APG	SPG	BPG	FGM	FGA	FG%	3PM	3PA	3P%	FTM	FTA	FT%	TS%	OREB	DREB	TPG	MIN	PTS	REB	AST	STL	BLK	TOV	PF	+/-
1	Robert Parish R. Parish	1,568	28.9	14.8	9.3	1.4	0.8	1.5	6.1	11.3	53.7	0.0	0.0	0.0	2.6	3.6	72.1	57.2	2.9	6.4	2.1	45,298	23,173	14,626	2,158	1,213	2,342	3,155	4,403
2	Kareem Abdul-Jabbar K. Abdul-Jabbar	1,560	36.8	24.6	11.2	3.6	0.9	2.6	10.2	18.1	55.9	0.0	0.0	5.6	4.3	6.0	72.1	59.2	2.4	7.6	2.7	57,446	38,387	17,440	5,660	1,160	3,189	2,527	4,657
3	John Stockton J. Stockton	1,504	31.8	13.1	2.7	10.5	2.2	0.2	4.7	9.1	51.5	0.6	1.5	38.4	3.2	3.9	82.6	60.8	0.6	2.1	2.8	47,764	19,711	4,051	15,806	3,265	315	4,244	3,942	+2941
4	Karl Malone K. Malone	1,476	37.2	25.0	10.1	3.6	1.4	0.8	9.2	17.8	51.6	0.1	0.2	27.4	6.6	8.9	74.2	57.7	2.4	7.7	3.1	54,852	36,928	14,968	5,248	2,085	1,145	4,524	4,578	+3010
5	Dirk Nowitzki D. Nowitzki	1,471	34.4	21.2	7.7	2.5	0.8	0.9	7.5	15.9	47.2	1.3	3.4	38.3	4.9	5.6	87.9	57.8	1.0	6.7	1.7	50,573	31,187	11,331	3,616	1,201	1,263	2,476	3,525	+6608
6	Kevin Garnett K. Garnett	1,424	35.0	18.2	10.2	3.8	1.3	1.4	7.3	14.8	49.7	0.1	0.4	27.6	3.4	4.3	79.0	54.6	2.2	7.9	2.2	49,862	25,949	14,512	5,383	1,831	2,027	3,163	3,491	+4857
7	LeBron James L. James	1,421	38.1	27.2	7.5	7.3	1.5	0.8	10.0	19.7	50.5	1.6	4.6	34.5	5.7	7.7	73.5	58.8	1.2	6.3	3.5	54,094	38,652	10,667	10,420	2,186	1,073	4,966	2,604	+7223
8	Kevin Willis K. Willis	1,419	27.0	12.2	8.4	0.9	0.7	0.5	5.0	10.3	48.7	0.0	0.1	21.1	2.1	3.0	71.3	52.5	2.9	5.5	1.8	38,319	17,241	11,893	1,327	956	750	2,518	4,161	-831
9	Jason Terry J. Terry	1,410	29.8	13.4	2.3	3.8	1.1	0.2	4.9	11.1	44.4	1.6	4.3	38.0	2.0	2.3	84.5	55.4	0.4	2.0	1.7	42,034	18,881	3,274	5,415	1,603	275	2,415	2,577	+1718
10	Vince Carter V. Carter	1,405	31.4	17.7	4.5	3.3	1.0	0.6	6.4	14.6	43.7	1.5	4.0	37.3	3.4	4.3	79.9	53.6	1.1	3.3	1.8	44,162	24,868	6,288	4,579	1,463	836	2,509	3,764	+2123
11	Tim Duncan T. Duncan	1,392	34.0	19.0	10.8	3.0	0.7	2.2	7.4	14.6	50.6	0.0	0.1	17.9	4.2	6.1	69.6	55.1	2.8	8.1	2.4	47,368	26,496	15,091	4,225	1,025	3,020	3,381	3,304	+8910
12	Jason Kidd J. Kidd	1,391	36.0	12.6	6.3	8.7	1.9	0.3	4.5	11.2	40.0	1.4	4.1	34.9	2.2	2.8	78.5	50.7	1.3	5.0	2.9	50,111	17,529	8,725	12,091	2,684	450	4,003	2,572	+3868
13	Reggie Miller R. Miller	1,389	34.3	18.2	3.0	3.0	1.1	0.2	5.9	12.6	47.1	1.8	4.7	39.5	4.5	5.1	88.8	61.4	0.6	2.4	1.7	47,619	25,279	4,182	4,141	1,505	299	2,409	2,730	+2015
14	Clifford Robinson C. Robinson	1,380	30.8	14.2	4.6	2.2	1.0	1.0	5.4	12.2	43.8	0.9	2.5	35.6	2.6	3.7	68.9	51.2	1.3	3.2	1.8	42,561	19,591	6,306	3,094	1,402	1,390	2,502	4,175	+704
15	Chris Paul C. Paul	1,354	33.7	17.0	4.4	9.2	2.0	0.2	6.0	12.8	47.0	1.4	3.7	37.0	3.6	4.1	87.1	58.1	0.6	3.8	2.3	45,608	23,011	5,978	12,499	2,717	222	3,093	3,185	+6113
16	Kobe Bryant K. Bryant	1,346	36.1	25.0	5.2	4.7	1.4	0.5	8.7	19.5	44.7	1.4	4.1	32.9	6.2	7.4	83.7	55.0	1.1	4.1	3.0	48,637	33,643	7,047	6,306	1,944	640	4,010	3,353	+4153
17	Paul Pierce P. Pierce	1,343	34.2	19.7	5.6	3.5	1.3	0.6	6.5	14.5	44.5	1.6	4.3	36.8	5.2	6.4	80.6	56.8	0.8	4.8	2.6	45,880	26,397	7,527	4,708	1,752	745	3,532	3,643	+3345
18	Gary Payton G. Payton	1,335	35.3	16.3	3.9	6.7	1.8	0.2	6.5	14.0	46.6	0.8	2.7	31.7	2.4	3.4	72.9	52.8	1.0	2.9	2.3	47,117	21,813	5,269	8,966	2,445	285	3,030	3,217	+1928
19	Moses Malone M. Malone	1,329	33.9	20.6	12.2	1.4	0.8	1.3	7.1	14.5	49.1	0.0	0.1	10.0	6.4	8.3	76.9	56.9	5.1	7.1	3.1	45,071	27,409	16,212	1,796	1,089	1,733	3,804	3,076
20	Jamal Crawford J. Crawford	1,327	29.4	14.6	2.2	3.4	0.9	0.2	5.1	12.4	41.0	1.7	4.8	34.8	2.8	3.2	86.2	52.9	0.4	1.9	1.9	38,994	19,419	2,948	4,541	1,179	271	2,476	2,008	-1252
21	Buck Williams B. Williams	1,307	32.5	12.8	10.0	1.3	0.8	0.8	4.9	8.9	54.9	0.0	0.0	16.7	3.0	4.6	66.4	58.7	3.5	6.5	2.1	42,464	16,784	13,017	1,646	1,080	1,100	2,784	4,267	+155
22	Andre Miller A. Miller	1,304	30.9	12.5	3.7	6.5	1.2	0.2	4.6	10.0	46.1	0.1	0.7	21.7	3.1	3.8	80.7	53.2	1.1	2.6	2.4	40,268	16,278	4,795	8,524	1,546	227	3,121	2,882	+810
23	Elvin Hayes E. Hayes	1,303	38.4	21.0	12.5	1.8	1.0	2.0	8.4	18.6	45.2	0.0	0.1	14.7	4.1	6.1	67.0	49.1	3.1	7.8	2.4	50,000	27,313	16,279	2,398	864	1,771	1,358	4,193
24	Ray Allen R. Allen	1,300	35.6	18.9	4.1	3.4	1.1	0.2	6.6	14.6	45.2	2.3	5.7	40.0	3.4	3.8	89.4	58.0	0.9	3.1	2.1	46,344	24,505	5,272	4,361	1,451	244	2,709	2,858	+3491
25	Mark Jackson M. Jackson	1,296	30.2	9.6	3.8	8.0	1.2	0.1	3.7	8.3	44.7	0.6	1.7	33.2	1.7	2.2	77.0	52.2	1.0	2.8	2.4	39,121	12,489	4,963	10,334	1,608	117	3,155	2,230	+402