I don't have anything for this season, but Nickeil Alexander-Walker had the most quarters in 2024-25, with 333 quarters.

Interpreted as:

Most +20 quarters by a player this season

	NAME	QTRS	SEASON	TM	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	Nickeil Alexander-Walker N. Alexander-Walker	333	2024-25	MIN	82	25.3	9.4	3.2	2.7	0.6	0.4	3.3	7.5	43.8	1.7	4.5	38.1	1.1	1.4	78.0	57.9	0.7	2.6	1.2	2,073	773	265	223	50	34	99	139	+270
2	Mikal Bridges M. Bridges	330	2024-25	NYK	82	37.0	17.6	3.2	3.7	0.9	0.5	7.2	14.4	50.0	2.0	5.6	35.4	1.2	1.4	81.4	58.5	0.9	2.3	1.6	3,036	1,444	259	306	75	43	132	127	+333
3	Jaden McDaniels J. McDaniels	328	2024-25	MIN	82	31.9	12.2	5.7	2.0	1.3	0.9	4.9	10.2	47.7	1.2	3.7	33.0	1.3	1.6	81.3	56.2	1.6	4.2	1.2	2,614	1,000	470	163	110	74	95	225	+174
4	Malik Beasley M. Beasley	326	2024-25	DET	82	27.8	16.3	2.6	1.7	0.9	0.1	5.6	13.1	43.0	3.9	9.3	41.6	1.2	1.7	67.9	59.0	0.6	2.0	1.0	2,283	1,336	214	139	73	5	83	125	+174
5	Bub Carrington B. Carrington	322	2024-25	WAS	82	30.0	9.8	4.2	4.4	0.7	0.3	3.7	9.1	40.1	1.7	5.0	33.9	0.8	1.0	81.2	51.4	0.4	3.8	1.7	2,458	807	341	364	54	21	141	190	-797
6	Payton Pritchard P. Pritchard	322	2024-25	BOS	80	28.4	14.3	3.8	3.5	0.9	0.2	5.1	10.8	47.2	3.2	7.8	40.7	0.9	1.1	84.5	63.3	1.3	2.6	1.0	2,271	1,144	307	279	70	14	83	118	+431
7	Julian Champagnie J. Champagnie	320	2024-25	SAS	82	23.6	9.9	3.9	1.4	0.7	0.4	3.4	8.1	41.5	2.2	5.9	37.1	1.0	1.1	90.4	57.7	0.8	3.1	0.9	1,932	815	318	111	61	35	74	114	-67
8	Naz Reid N. Reid	319	2024-25	MIN	80	27.5	14.2	6.0	2.3	0.7	0.9	5.3	11.5	46.2	2.2	5.8	37.9	1.4	1.8	77.6	57.7	1.2	4.9	1.4	2,200	1,138	480	181	58	72	108	189	+342
9	Chris Paul C. Paul	316	2024-25	SAS	82	28.0	8.8	3.6	7.4	1.3	0.3	3.0	7.1	42.7	1.7	4.5	37.7	1.0	1.1	92.4	58.0	0.4	3.2	1.6	2,292	723	296	605	103	22	129	151	+4
10	Stephon Castle S. Castle	315	2024-25	SAS	81	26.7	14.7	3.7	4.1	0.9	0.3	5.2	12.2	42.8	1.2	4.1	28.5	3.1	4.2	72.4	52.2	1.1	2.6	2.2	2,162	1,190	297	332	74	22	177	164	-239
11	Harrison Barnes H. Barnes	314	2024-25	SAS	82	27.2	12.3	3.8	1.7	0.5	0.2	4.2	8.3	50.8	1.9	4.4	43.3	2.0	2.4	80.9	65.6	1.2	2.6	0.6	2,230	1,011	310	136	39	14	50	75	-25
12	Christian Braun C. Braun	313	2024-25	DEN	79	33.9	15.4	5.2	2.6	1.1	0.5	6.0	10.4	58.0	1.1	2.8	39.7	2.2	2.7	82.7	66.5	1.2	3.9	1.0	2,675	1,218	410	205	85	37	81	170	+480
13	Anthony Edwards A. Edwards	313	2024-25	MIN	79	36.3	27.6	5.7	4.5	1.2	0.6	9.1	20.4	44.7	4.1	10.3	39.5	5.3	6.3	83.7	59.5	0.8	4.9	3.2	2,871	2,177	450	359	91	51	249	150	+293
14	Jalen Green J. Green	312	2024-25	HOU	82	32.9	21.0	4.6	3.4	0.9	0.3	7.4	17.5	42.3	2.9	8.1	35.4	3.3	4.1	81.3	54.4	0.5	4.0	2.5	2,697	1,723	377	282	71	27	203	127	+166
15	Brook Lopez B. Lopez	311	2024-25	MIL	80	31.8	13.0	5.0	1.8	0.6	1.9	4.9	9.7	50.9	1.7	4.7	37.3	1.4	1.7	82.6	62.4	1.4	3.6	1.1	2,546	1,041	401	143	50	148	84	171	+134
16	Pascal Siakam P. Siakam	311	2024-25	IND	78	32.7	20.2	6.9	3.4	0.9	0.5	7.9	15.2	51.9	1.6	4.2	38.9	2.9	3.9	73.4	59.9	1.7	5.2	1.4	2,548	1,578	540	263	70	42	109	189	+312
17	Bam Adebayo B. Adebayo	311	2024-25	MIA	78	34.3	18.1	9.6	4.3	1.3	0.7	6.9	14.3	48.5	1.0	2.8	35.7	3.2	4.2	76.5	56.1	2.4	7.2	2.1	2,674	1,410	749	337	98	53	161	162	+27
18	Tyus Jones T. Jones	310	2024-25	PHX	81	26.8	10.2	2.4	5.3	0.9	0.1	3.8	8.4	44.8	2.0	5.0	41.4	0.6	0.7	89.5	58.5	0.5	1.9	1.1	2,174	829	196	429	69	8	91	63	-92
19	Buddy Hield B. Hield	310	2024-25	GSW	82	22.7	11.1	3.2	1.6	0.8	0.3	4.0	9.6	41.7	2.5	6.7	37.0	0.6	0.8	82.8	56.0	0.6	2.6	1.1	1,863	912	264	134	69	23	91	132	+141
20	Keon Ellis K. Ellis	309	2024-25	SAC	80	24.3	8.3	2.7	1.5	1.5	0.8	2.8	5.8	48.9	1.7	4.0	43.3	0.9	1.1	84.9	66.4	0.8	1.9	0.9	1,948	666	212	120	121	63	71	176	+64
21	Ivica Zubac I. Zubac	309	2024-25	LAC	80	32.8	16.8	12.6	2.7	0.7	1.1	7.4	11.8	62.8	0.0	0.0		2.0	3.0	66.1	64.1	3.8	8.9	1.6	2,624	1,340	1,010	214	55	90	127	168	+514
22	Tyler Herro T. Herro	309	2024-25	MIA	77	35.4	23.9	5.2	5.5	0.9	0.2	8.5	17.9	47.2	3.3	8.7	37.5	3.7	4.2	87.8	60.5	0.5	4.7	2.6	2,725	1,840	399	424	69	17	198	85	+98
23	Josh Hart J. Hart	309	2024-25	NYK	77	37.6	13.6	9.6	5.9	1.5	0.4	5.2	10.0	52.5	1.1	3.3	33.3	2.1	2.7	77.6	61.1	2.1	7.5	2.1	2,897	1,051	737	453	119	27	158	201	+202
24	DeMar DeRozan D. DeRozan	308	2024-25	SAC	77	35.9	22.2	3.9	4.4	0.8	0.4	8.1	17.0	47.7	1.1	3.3	32.8	4.9	5.7	85.7	56.9	0.6	3.2	1.4	2,768	1,710	298	342	62	32	105	150	+109
25	Keegan Murray K. Murray	307	2024-25	SAC	76	34.3	12.4	6.7	1.4	0.8	0.9	4.8	10.8	44.4	2.0	5.9	34.3	0.8	0.9	83.3	55.3	1.9	4.8	0.8	2,610	942	507	109	61	69	60	186	+46