I don't have anything for this season, but Kyle Kuzma had the highest usage percentage for the Wizards against the Cavaliers in 2024-25, at 33.8 percent.

Interpreted as:

most usage by a player on wizards vs cavs this regular season

	NAME	USG%	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	Kyle Kuzma K. Kuzma	33.8	2024-25	WAS	1	24.3	14.0	8.0	3.0	0.0	0.0	3.0	16.0	18.8	0.0	4.0	0.0	8.0	10.0	80.0	34.3	3.0	5.0	1.0	24	14	8	3	0	0	1	0	-17
2	Marvin Bagley III M. Bagley III	32.4	2024-25	WAS	3	5.6	5.0	2.0	0.0	0.0	0.3	1.3	2.3	57.1	0.0	0.7	0.0	2.3	2.3	100.0	74.4	1.0	1.0	1.0	17	15	6	0	0	1	3	3	-9
3	Jordan Poole J. Poole	31.6	2024-25	WAS	4	30.3	22.3	2.8	5.3	1.8	0.3	7.5	16.8	44.8	2.8	9.0	30.6	4.5	5.5	81.8	58.0	0.8	2.0	4.0	121	89	11	21	7	1	16	14	-53
4	Jonas Valančiūnas J. Valančiūnas	23.7	2024-25	WAS	3	19.0	10.3	7.7	0.7	0.7	0.3	4.0	7.3	54.5	0.0	0.0		2.3	2.7	87.5	60.7	2.7	5.0	2.3	57	31	23	2	2	1	7	4	-27
5	Malcolm Brogdon M. Brogdon	21.3	2024-25	WAS	1	21.5	6.0	2.0	1.0	0.0	0.0	2.0	9.0	22.2	0.0	3.0	0.0	2.0	2.0	100.0	30.4	2.0	0.0	1.0	22	6	2	1	0	0	1	2	-13
6	Tristan Vukcevic T. Vukcevic	19.8	2024-25	WAS	1	16.4	7.0	4.0	4.0	1.0	0.0	3.0	7.0	42.9	1.0	3.0	33.3	0.0	0.0		50.0	0.0	4.0	1.0	16	7	4	4	1	0	1	3	+10
7	Alex Sarr A. Sarr	19.4	2024-25	WAS	3	26.2	12.0	7.3	1.7	1.0	1.7	4.7	10.0	46.7	1.7	4.7	35.7	1.0	1.3	75.0	56.7	2.3	5.0	1.7	79	36	22	5	3	5	5	10	-39
8	Jared Butler J. Butler	19.0	2024-25	WAS	3	15.2	8.3	0.7	2.3	0.3	0.3	3.7	6.3	57.9	0.7	1.7	40.0	0.3	0.7	50.0	62.9	0.0	0.7	0.3	46	25	2	7	1	1	1	5	-4
9	Bilal Coulibaly B. Coulibaly	19.0	2024-25	WAS	4	37.0	18.0	6.3	3.5	1.3	0.5	6.5	13.3	49.1	2.8	5.5	50.0	2.3	3.5	64.3	60.9	2.0	4.3	2.3	148	72	25	14	5	2	9	9	-46
10	AJ Johnson	18.4	2024-25	WAS	1	8.8	2.0	1.0	4.0	0.0	0.0	1.0	4.0	25.0	0.0	2.0	0.0	0.0	0.0		25.0	0.0	1.0	0.0	9	2	1	4	0	0	0	1	-4
11	Justin Champagnie J. Champagnie	17.1	2024-25	WAS	1	36.1	16.0	8.0	1.0	1.0	1.0	7.0	13.0	53.8	2.0	7.0	28.6	0.0	2.0	0.0	57.6	2.0	6.0	0.0	36	16	8	1	1	1	0	3	+1
12	Corey Kispert C. Kispert	16.5	2024-25	WAS	3	21.1	8.0	2.3	1.3	0.0	0.3	3.0	7.7	39.1	1.3	4.0	33.3	0.7	0.7	100.0	50.3	1.0	1.3	0.7	63	24	7	4	0	1	2	3	-11
13	Bub Carrington B. Carrington	16.3	2024-25	WAS	4	31.3	9.5	5.0	3.0	0.0	0.3	3.3	8.8	37.1	1.8	5.0	35.0	1.3	1.3	100.0	51.1	0.5	4.5	3.0	125	38	20	12	0	1	12	14	-80
14	Richaun Holmes R. Holmes	15.7	2024-25	WAS	2	21.8	9.0	7.5	1.5	0.0	1.5	3.0	5.5	54.5	0.0	0.0		3.0	4.0	75.0	62.0	3.5	4.0	1.0	44	18	15	3	0	3	2	2	-24
15	Kyshawn George K. George	14.7	2024-25	WAS	3	24.3	6.3	5.0	2.7	1.0	1.7	2.0	6.7	30.0	1.3	4.0	33.3	1.0	2.0	50.0	42.0	1.3	3.7	1.3	73	19	15	8	3	5	4	11	-5
16	Patrick Baldwin Jr. P. Baldwin Jr.	14.4	2024-25	WAS	1	5.3	2.0	2.0	0.0	0.0	1.0	1.0	2.0	50.0	0.0	0.0		0.0	0.0		50.0	0.0	2.0	0.0	5	2	2	0	0	1	0	0	+3
17	Johnny Davis J. Davis	13.1	2024-25	WAS	3	14.8	4.0	2.7	1.0	0.7	0.7	1.7	4.7	35.7	0.7	2.3	28.6	0.0	0.0		42.9	0.3	2.3	0.0	44	12	8	3	2	2	0	4	-12
18	Anthony Gill A. Gill	11.4	2024-25	WAS	3	10.4	2.0	1.0	0.0	0.0	0.3	1.0	2.3	42.9	0.0	1.3	0.0	0.0	0.3	0.0	40.3	0.0	1.0	0.3	31	6	3	0	0	1	1	3	-20