Duck Williams had his most points in a game versus the Cavaliers on November 20, 1979, with 22 points.

Interpreted as:

Duck Williams most points in a regular-season game

	NAME	PTS	DATE	TM		OPP	MIN	REB	AST	STL	BLK	FGM	FGA	FG%	3PM	3PA	3P%	FTM	FTA	FT%	TS%	OREB	DREB	TOV	PF
1	Duck Williams D. Williams	22	11/20/1979	UTA	@	CLE	41	2	3	3	0	11	20	55.0	0	0		0	0		55.0	0	2	1	3
2	Duck Williams D. Williams	20	12/19/1979	UTA	@	PHX	39	2	0	3	0	9	14	64.3	0	0		2	2	100.0	67.2	0	2	5	5
3	Duck Williams D. Williams	20	11/1/1979	UTA	vs	NYK	37	3	9	4	0	9	13	69.2	0	0		2	4	50.0	67.8	2	1	3	2
4	Duck Williams D. Williams	19	10/31/1979	UTA	@	KCK	38	0	4	4	1	8	15	53.3	0	0		3	3	100.0	58.2	0	0		1
5	Duck Williams D. Williams	18	10/12/1979	UTA	@	POR	29	2	0	3	0	9	10	90.0	0	0		0	1	0.0	86.2	1	1	4	4
6	Duck Williams D. Williams	15	3/8/1980	UTA	vs	SDC	19	2	3		0	7	9	77.8	0	0		1	2	50.0	75.9				3
7	Duck Williams D. Williams	13	11/17/1979	UTA	@	WAS	48	2	2		2	6	16	37.5	0	0		1	3	33.3	37.5				1
8	Duck Williams D. Williams	13	11/3/1979	UTA	@	SDC	27	1	4	2	0	6	10	60.0	0	1	0.0	1	2	50.0	59.7			1	3
9	Duck Williams D. Williams	12	3/19/1980	UTA	vs	CHI	18	1	1	2	0	6	7	85.7	0	0		0	0		85.7	0	1	1	1
10	Duck Williams D. Williams	12	2/5/1980	UTA	vs	CHI	17	0	2	1	1	5	7	71.4	0	0		2	2	100.0	76.1	0	0	0	4
11	Duck Williams D. Williams	12	10/15/1979	UTA	vs	MIL	30	3	4	3	0	5	13	38.5	0	0		2	2	100.0	43.2	1	2	1	4
12	Duck Williams D. Williams	11	2/16/1980	UTA	@	NYK	43	3	3		0	4	8	50.0	0	0		3	3	100.0	59.0				4
13	Duck Williams D. Williams	11	11/8/1979	UTA	vs	DEN	25	1	2	2	0	4	8	50.0	0	1	0.0	3	7	42.9	49.6	0	1	0	2
14	Duck Williams D. Williams	10	3/25/1980	UTA	vs	DEN	12	0	1	1	0	4	5	80.0	0	0		2	2	100.0	85.0	0	0		2
15	Duck Williams D. Williams	10	2/9/1980	UTA	@	HOU	25	0	2	2	0	5	7	71.4	0			0	0		71.4	0	0	1	2
16	Duck Williams D. Williams	10	1/12/1980	UTA	@	SDC	32	2	1	1	1	5	8	62.5	0	0		0	0		62.5			1	4
17	Duck Williams D. Williams	10	1/11/1980	UTA	@	SEA	29	0	0		0	5	6	83.3	0	0		0	0		83.3	0	0	1	4
18	Duck Williams D. Williams	10	12/13/1979	UTA	vs	SAS	27	1	3	3	0	5	9	55.6	0	0		0	0		55.6			3	1
19	Duck Williams D. Williams	10	12/6/1979	UTA	vs	POR	42	4	3	4	0	5	12	41.7	0	1	0.0	0	0		41.7	0	4	0	3
20	Duck Williams D. Williams	10	10/22/1979	UTA	vs	SDC	38	1	5	3	0	3	7	42.9	0	0		4	5	80.0	54.3			1	3
21	Duck Williams D. Williams	10	10/18/1979	UTA	vs	POR	31	3	3	6	0	5	7	71.4	0	0		0	0		71.4	1	2	2	4
22	Duck Williams D. Williams	9	11/16/1979	UTA	@	BOS	36	2	4	0	0	4	9	44.4	0	0		1	2	50.0	45.5	1	1	3	1
23	Duck Williams D. Williams	9	11/10/1979	UTA	vs	SEA	42	3	4		0	4	16	25.0	0	0		1	2	50.0	26.7	1	2	3	3
24	Duck Williams D. Williams	8	2/22/1980	UTA	vs	HOU	32	0	3	1	0	4	10	40.0	0	3	0.0	0	0		40.0	0	0		3
25	Duck Williams D. Williams	8	2/10/1980	UTA	@	SAS	15	1	4	0	0	3	7	42.9	0	0		2	2	100.0	50.8				1