Harrison Barnes has the most career quarters, with 3,356 quarters.

Interpreted as:

most 20pt quarters by a player all-time

	NAME	QTRS	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	Harrison Barnes H. Barnes	3,356	857	26.7	14.7	4.9	1.8	0.7	0.2	5.2	11.1	46.6	1.6	4.1	38.9	2.8	3.4	82.0	58.5	1.1	3.8	1.1	22,912	12,629	4,176	1,576	578	148	969	1,287	-927
2	DeMar DeRozan D. DeRozan	3,317	828	29.3	23.3	4.7	5.0	1.0	0.3	8.3	17.4	47.8	0.6	1.9	31.3	6.1	7.1	85.2	56.8	0.7	4.0	2.1	24,224	19,321	3,871	4,109	863	279	1,750	1,979	+363
3	Kentavious Caldwell-Pope K. Caldwell-Pope	3,296	856	23.9	11.5	3.0	2.0	1.2	0.3	4.1	9.6	42.9	1.8	4.8	36.8	1.6	1.9	82.7	55.5	0.6	2.5	1.1	20,425	9,885	2,607	1,671	1,000	258	927	1,645	+691
4	Russell Westbrook R. Westbrook	3,259	821	26.5	21.6	8.1	8.6	1.5	0.3	7.8	17.7	44.2	1.3	4.3	30.8	4.6	6.1	74.7	52.8	1.6	6.5	4.1	21,729	17,704	6,672	7,054	1,269	278	3,359	2,442	+706
5	Tobias Harris T. Harris	3,250	826	27.2	17.1	6.3	2.6	0.8	0.6	6.5	13.6	48.0	1.5	4.1	37.3	2.5	2.9	84.5	57.3	1.0	5.4	1.4	22,484	14,105	5,229	2,154	689	468	1,185	1,806	+1201
6	Dennis Schröder D. Schröder	3,215	812	24.2	14.5	3.0	5.1	0.9	0.2	5.3	12.3	43.2	1.3	3.9	34.3	2.6	3.1	83.8	53.2	0.4	2.6	2.3	19,623	11,778	2,440	4,113	692	125	1,859	1,865	-152
7	Rudy Gobert R. Gobert	3,196	808	26.6	13.1	12.1	1.4	0.7	2.1	4.9	7.5	66.0	0.0	0.0	0.0	3.3	5.2	64.1	67.6	3.5	8.6	1.7	21,470	10,621	9,787	1,161	578	1,713	1,342	2,538	+3421
8	James Harden J. Harden	3,185	803	28.6	26.9	6.4	8.8	1.6	0.7	7.9	18.2	43.7	3.2	8.9	36.1	7.8	9.1	86.7	60.8	0.8	5.6	4.3	22,979	21,634	5,124	7,064	1,251	540	3,441	2,241	+2748
9	Nikola Vučević N. Vučević	3,179	809	26.4	18.5	10.6	3.2	0.9	0.9	7.8	15.8	49.6	1.2	3.3	35.0	1.7	2.2	78.2	55.3	2.4	8.2	1.8	21,327	14,966	8,589	2,608	697	693	1,423	2,083	-744
10	Giannis Antetokounmpo G. Antetokounmpo	3,149	800	26.8	25.6	10.5	5.3	1.1	1.3	9.4	16.9	55.7	0.6	2.3	28.2	6.1	8.9	69.2	61.5	2.0	8.5	3.2	21,445	20,505	8,364	4,243	918	1,018	2,521	2,827	+3461
11	Andrew Wiggins A. Wiggins	3,137	788	26.3	18.5	4.5	2.3	1.0	0.7	6.9	15.2	45.0	1.5	4.2	35.7	3.2	4.4	72.5	53.7	1.3	3.2	1.9	20,687	14,540	3,532	1,820	765	542	1,468	1,816	+225
12	Jonas Valančiūnas J. Valančiūnas	3,021	817	20.0	13.5	9.5	1.5	0.4	0.9	5.4	9.6	56.3	0.3	0.9	34.0	2.4	3.0	79.7	61.8	2.7	6.7	1.6	16,317	10,997	7,743	1,228	341	733	1,322	2,539	+390
13	Jordan Clarkson J. Clarkson	3,015	775	22.3	15.8	3.3	2.9	0.8	0.2	5.9	13.5	43.6	1.8	5.5	33.5	2.2	2.6	82.9	53.8	0.9	2.5	1.9	17,256	12,255	2,569	2,251	623	121	1,444	1,424	-534
14	Brook Lopez B. Lopez	3,009	781	22.8	14.7	5.5	1.4	0.6	1.9	5.5	11.3	48.8	1.4	4.0	35.3	2.2	2.7	80.4	58.5	1.6	3.9	1.4	17,837	11,459	4,277	1,129	449	1,477	1,073	2,136	+1770
15	Andre Drummond A. Drummond	3,004	785	19.9	12.6	12.3	1.3	1.3	1.2	5.2	9.9	53.1	0.0	0.2	17.0	2.1	4.1	50.0	53.8	4.1	8.2	1.9	15,640	9,891	9,659	1,059	986	943	1,474	2,533	-512
16	CJ McCollum	2,995	769	28.0	20.3	3.8	4.0	0.9	0.4	7.7	17.1	45.3	2.6	6.6	39.7	2.2	2.8	80.1	55.6	0.7	3.1	1.9	21,567	15,622	2,885	3,054	707	332	1,427	1,775	+461
17	Nikola Jokić N. Jokić	2,975	768	28.9	22.0	11.0	7.3	1.3	0.7	8.4	15.0	56.1	1.1	3.1	36.2	4.0	4.8	82.5	64.1	2.7	8.3	2.9	22,212	16,881	8,423	5,635	981	554	2,257	2,274	+4007
18	Mason Plumlee M. Plumlee	2,960	800	17.0	8.0	6.9	2.5	0.7	0.8	3.2	5.3	59.1	0.0	0.1	4.2	1.7	3.0	57.3	60.3	2.1	4.8	1.4	13,561	6,415	5,487	1,996	549	648	1,127	2,264	-231
19	Damian Lillard D. Lillard	2,941	736	28.2	26.3	4.5	6.9	1.0	0.3	8.4	19.0	44.1	3.3	8.8	36.9	6.3	6.9	90.5	59.6	0.6	3.9	2.9	20,768	19,341	3,300	5,080	737	225	2,106	1,433	+1702
20	Chris Paul C. Paul	2,936	754	23.9	15.3	4.4	8.5	1.6	0.2	5.5	11.8	46.6	1.7	4.4	37.6	2.7	3.1	88.9	58.5	0.5	3.9	2.1	17,988	11,562	3,312	6,440	1,243	169	1,616	1,834	+2565
21	Julius Randle J. Randle	2,896	734	28.8	19.2	9.1	3.9	0.7	0.4	6.9	14.7	47.2	1.2	3.6	33.5	4.1	5.4	75.7	56.2	2.0	7.1	2.8	21,135	14,066	6,664	2,853	509	289	2,060	2,579	-55
22	LeBron James L. James	2,895	727	28.3	26.3	7.8	8.0	1.2	0.7	9.9	19.1	51.8	2.0	5.5	35.6	4.5	6.3	72.0	60.1	1.1	6.7	3.7	20,589	19,127	5,677	5,848	906	478	2,689	1,400	+1687
23	Tim Hardaway Jr. T. Hardaway Jr.	2,894	756	24.2	14.0	3.0	1.9	0.6	0.1	4.8	11.6	41.7	2.3	6.5	36.2	2.0	2.5	81.6	55.3	0.3	2.7	1.0	18,271	10,605	2,262	1,454	462	103	759	1,277	+320
24	Al Horford A. Horford	2,874	731	22.9	12.2	6.8	3.5	0.7	1.1	4.9	10.1	48.8	1.3	3.6	37.6	1.0	1.2	80.0	57.3	1.5	5.4	1.2	16,732	8,893	4,996	2,573	533	835	877	1,417	+2213
25	Jerami Grant J. Grant	2,873	742	23.1	13.3	3.9	1.6	0.7	1.0	4.5	10.1	44.8	1.3	3.7	36.5	3.0	3.9	75.8	56.5	0.8	3.1	1.3	17,140	9,876	2,913	1,212	504	762	961	1,850	-934