Harrison Barnes has the most career quarters, with 3,352 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	3,352	856	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	22,877	12,605	4,174	1,575	578	148	967	1,284	-910
2	DeMar DeRozan D. DeRozan	3,313	827	29.2	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	24,188	19,301	3,866	4,106	862	279	1,749	1,975	+377
3	Kentavious Caldwell-Pope K. Caldwell-Pope	3,292	855	23.9	11.5	3.0	1.9	1.2	0.3	4.1	9.6	42.9	1.8	4.8	36.8	1.6	1.9	82.6	55.5	0.6	2.5	1.1	20,401	9,869	2,605	1,666	998	258	925	1,645	+661
4	Russell Westbrook R. Westbrook	3,255	820	26.4	21.6	8.1	8.6	1.5	0.3	7.8	17.7	44.1	1.3	4.3	30.7	4.6	6.1	74.7	52.8	1.6	6.5	4.1	21,689	17,680	6,660	7,040	1,267	277	3,356	2,440	+713
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	3,193	807	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	21,449	10,606	9,779	1,160	577	1,713	1,342	2,536	+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	3,175	808	26.4	18.5	10.6	3.2	0.9	0.9	7.8	15.8	49.6	1.2	3.3	35.1	1.7	2.2	78.2	55.4	2.4	8.2	1.8	21,303	14,957	8,583	2,605	696	693	1,421	2,082	-716
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	3,133	787	26.2	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	53.6	1.3	3.2	1.9	20,652	14,521	3,530	1,818	764	541	1,467	1,814	+218
12	Jonas Valančiūnas J. Valančiūnas	3,018	816	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	16,304	10,989	7,739	1,225	340	732	1,321	2,537	+387
13	Jordan Clarkson J. Clarkson	3,011	774	22.3	15.8	3.3	2.9	0.8	0.2	5.9	13.6	43.6	1.8	5.5	33.6	2.2	2.6	82.9	53.9	0.9	2.5	1.9	17,239	12,255	2,567	2,251	623	121	1,442	1,423	-543
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	3,000	784	19.9	12.6	12.3	1.4	1.3	1.2	5.3	9.9	53.1	0.0	0.2	17.1	2.1	4.1	50.0	53.8	4.1	8.2	1.9	15,623	9,880	9,647	1,059	986	942	1,474	2,532	-497
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	2,971	767	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	22,177	16,853	8,414	5,624	980	554	2,253	2,272	+4001
18	Mason Plumlee M. Plumlee	2,956	799	16.9	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	13,539	6,411	5,481	1,994	548	648	1,126	2,260	-234
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	2,892	733	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	21,097	14,045	6,661	2,845	509	289	2,057	2,575	-51
22	LeBron James L. James	2,891	726	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	60.0	1.1	6.7	3.7	20,555	19,098	5,670	5,842	905	477	2,687	1,399	+1686
23	Tim Hardaway Jr. T. Hardaway Jr.	2,890	755	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	81.5	55.2	0.3	2.7	1.0	18,244	10,591	2,261	1,452	460	103	759	1,276	+313
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	2,869	741	23.1	13.3	3.9	1.6	0.7	1.0	4.5	10.0	44.8	1.3	3.7	36.6	3.0	3.9	75.8	56.6	0.8	3.1	1.3	17,107	9,855	2,906	1,209	504	761	959	1,849	-929