I didn't find anything for this season, but the Dallas Mavericks had a usage percentage of 19.9 in the 2024 playoffs.

	NAME	TEAM	USG%	SEASON	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	Tim Hardaway Jr. T. Hardaway Jr.	Mavericks	16.3	2023-24	14	12.7	4.4	1.8	0.4	0.4	0.1	1.6	4.1	37.9	0.9	2.6	35.1	0.3	0.6	50.0	49.6	0.1	1.6	0.1	178	61	25	5	5	1	2	10	-35
2	Kyrie Irving K. Irving	Mavericks	24.9	2023-24	22	40.0	22.1	3.7	5.1	1.0	0.3	8.5	18.1	46.7	2.4	6.2	39.0	2.8	3.3	84.9	56.6	1.0	2.7	2.3	879	487	81	113	23	7	51	62	+113
3	Markieff Morris M. Morris	Mavericks	22.9	2023-24	1	12.0	3.0	4.0	0.0	0.0	0.0	1.0	5.0	20.0	1.0	3.0	33.3	0.0	0.0		30.0	0.0	4.0	1.0	12	3	4	0	0	0	1	1	+6
4	Dante Exum D. Exum	Mavericks	16.4	2023-24	21	6.9	2.0	0.8	0.6	0.1	0.0	0.8	2.1	36.4	0.3	1.0	35.0	0.2	0.3	66.7	46.1	0.1	0.7	0.2	144	43	17	12	3	1	5	9	-14
5	Dwight Powell D. Powell	Mavericks	8.8	2023-24	13	3.4	0.5	0.9	0.2	0.1	0.0	0.1	0.2	33.3	0.0	0.0		0.3	0.5	66.7	53.2	0.2	0.7	0.2	44	6	12	3	1	0	3	9	0
6	Derrick Jones Jr. D. Jones Jr.	Mavericks	13.5	2023-24	22	29.4	9.1	3.5	1.2	0.5	1.0	3.5	7.3	48.1	1.1	3.0	36.9	1.0	1.4	73.3	57.7	1.5	2.0	0.8	647	200	76	27	11	21	18	54	+43
7	Maxi Kleber M. Kleber	Mavericks	9.7	2023-24	13	16.8	3.7	1.9	1.0	0.2	0.3	1.2	3.0	41.0	0.9	2.2	42.9	0.3	0.5	66.7	57.6	0.3	1.6	0.4	219	48	25	13	3	4	5	20	+13
8	Luka Dončić L. Dončić	Mavericks	33.4	2023-24	22	40.9	28.9	9.5	8.1	1.9	0.4	10.2	22.9	44.6	3.1	9.6	32.2	5.3	7.0	76.5	55.6	0.7	8.7	4.1	900	635	208	178	41	8	90	56	+97
9	P.J. Washington Jr.	Mavericks	16.8	2023-24	22	35.7	13.0	6.6	1.4	0.7	0.8	4.5	10.6	42.7	2.1	6.1	34.8	1.8	2.5	70.9	55.4	1.5	5.1	1.5	785	286	145	31	16	17	32	67	+48
10	Daniel Gafford D. Gafford	Mavericks	17.3	2023-24	22	20.2	9.0	5.5	0.7	0.3	1.5	3.5	5.6	63.4	0.0	0.0		1.9	3.0	63.1	65.0	1.9	3.6	0.9	445	197	122	15	6	33	19	38	-46
11	Josh Green J. Green	Mavericks	11.4	2023-24	22	18.1	5.0	2.5	1.0	0.8	0.1	1.6	3.9	42.4	1.0	2.7	39.0	0.6	0.9	73.7	58.4	1.0	1.6	0.3	399	109	56	23	17	3	7	29	+3
12	A.J. Lawson	Mavericks	15.0	2023-24	10	3.0	1.1	0.3	0.0	0.0	0.1	0.4	0.9	44.4	0.2	0.6	33.3	0.1	0.2	50.0	55.7	0.1	0.2	0.0	30	11	3	0	0	1	0	1	-12
13	Jaden Hardy J. Hardy	Mavericks	28.8	2023-24	19	6.8	4.2	0.8	0.9	0.2	0.0	1.5	3.6	42.6	0.6	1.4	40.7	0.6	0.8	73.3	53.6	0.1	0.7	0.4	129	80	15	17	3	0	7	13	-23
14	Dereck Lively II D. Lively II	Mavericks	13.9	2023-24	21	22.0	7.9	7.4	1.3	0.4	1.0	3.0	4.5	67.4	0.0	0.0	100.0	1.7	2.9	59.0	67.7	2.7	4.7	1.0	462	165	156	27	9	20	21	48	+98
15	Olivier-Maxence Prosper O. Prosper	Mavericks	10.2	2023-24	3	3.0	0.0	1.0	0.3	0.0	0.0	0.0	0.7	0.0	0.0	0.0		0.0	0.0		0.0	0.0	1.0	0.0	9	0	3	1	0	0	0	0	-6
	Total		19.9		247	21.4	9.4	3.8	1.9	0.6	0.5	3.5	7.4	46.8	1.1	2.9	36.0	1.5	2.0	71.9	56.9	1.0	2.9	1.1	5,282	2,331	948	465	138	116	261	417	+285
	Average		19.9		16.5	21.4	9.4	3.8	1.9	0.6	0.5	3.5	7.4	46.8	1.1	2.9	36.0	1.5	2.0	71.9	56.9	1.0	2.9	1.1	352.1	155.4	63.2	31.0	9.2	7.7	17.4	27.8	19.0