Derek Harper posted his most points in a game against the Trail Blazers on December 29, 1989, with 42 points.

Interpreted as:

Derek Harper 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	Derek Harper D. Harper	42	12/29/1989	DAL	vs	POR	52	3	5	4	2	15	26	57.7	4	8	50.0	8	8	100.0	71.1	0	3	3	4
2	Derek Harper D. Harper	38	1/18/1992	DAL	vs	GSW	41	3	10	3	0	15	28	53.6	3	5	60.0	5	8	62.5	60.3	1	2	2	3
3	Derek Harper D. Harper	38	1/9/1989	DAL	vs	PHI	41	2	3	3	2	16	29	55.2	6	12	50.0	0	1	0.0	64.5	0	2	2	4
4	Derek Harper D. Harper	35	1/16/1993	DAL	@	DEN	40	1	5	0	0	10	21	47.6	5	10	50.0	10	12	83.3	66.6	0	1	2	3
5	Derek Harper D. Harper	35	12/11/1991	DAL	@	CHA	42	0	6	0	0	12	20	60.0	2	5	40.0	9	12	75.0	69.2	0	0	1	1
6	Derek Harper D. Harper	35	4/9/1988	DAL	vs	DEN	38	2	11	2	1	12	16	75.0	5	6	83.3	6	7	85.7	91.7	1	1	2	2
7	Derek Harper D. Harper	35	11/14/1987	DAL	vs	POR	40	5	10	4	1	12	21	57.1	1	4	25.0	10	14	71.4	64.4	2	3	1	2
8	Derek Harper D. Harper	34	4/10/1991	DAL	@	UTA	41	6	7	3	1	12	25	48.0	4	10	40.0	6	6	100.0	61.5	2	4	2	4
9	Derek Harper D. Harper	34	3/23/1990	DAL	@	MIA	37	6	9	1	0	13	20	65.0	7	11	63.6	1	2	50.0	81.4	1	5	1	4
10	Derek Harper D. Harper	34	4/7/1989	DAL	vs	SAC	39	2	7	3	0	11	15	73.3	3	5	60.0	9	9	100.0	89.7	2	0	1	3
11	Derek Harper D. Harper	33	12/7/1993	DAL	vs	MIA	39	2	3	4	0	14	22	63.6	5	8	62.5	0	1	0.0	73.5	0	2	2	3
12	Derek Harper D. Harper	33	1/11/1991	DAL	vs	UTA	44	2	7	2	0	14	24	58.3	4	7	57.1	1	2	50.0	66.3	0	2	2	3
13	Derek Harper D. Harper	32	2/19/1991	DAL	@	POR	38	3	6	5	0	13	21	61.9	3	6	50.0	3	4	75.0	70.3	1	2	4	1
14	Derek Harper D. Harper	32	12/27/1990	DAL	@	UTA	45	2	11	2	0	12	20	60.0	4	7	57.1	4	6	66.7	70.7	0	2	3	1
15	Derek Harper D. Harper	31	1/7/1993	DAL	vs	PHX	46	2	7	3	0	9	17	52.9	5	6	83.3	8	10	80.0	72.4	1	1	5	1
16	Derek Harper D. Harper	31	12/7/1988	DAL	vs	SEA	42	4	4	3	1	11	15	73.3	4	5	80.0	5	8	62.5	83.7	3	1	2	3
17	Derek Harper D. Harper	31	4/15/1987	DAL	vs	HOU	26	1	6	0	3	13	17	76.5	2	4	50.0	3	3	100.0	84.6	0	1	0	3
18	Derek Harper D. Harper	30	3/5/1992	DAL	@	WAS	35	1	5	1	0	10	17	58.8	2	5	40.0	8	11	72.7	68.7	0	1	3	2
19	Derek Harper D. Harper	30	11/23/1991	DAL	vs	UTA	42	1	5	1	0	13	23	56.5	1	4	25.0	3	5	60.0	59.5	0	1	4	2
20	Derek Harper D. Harper	30	12/8/1990	DAL	vs	HOU	44	4	9	1	0	11	20	55.0	3	5	60.0	5	8	62.5	63.8	1	3	1	5
21	Derek Harper D. Harper	30	11/14/1990	DAL	@	MIA	38	6	8	4	0	12	27	44.4	2	6	33.3	4	7	57.1	49.9	0	6	2	4
22	Derek Harper D. Harper	30	4/10/1990	DAL	@	LAC	43	1	7	6	0	11	20	55.0	0	2	0.0	8	9	88.9	62.6	0	1	2	2
23	Derek Harper D. Harper	30	2/28/1990	DAL	@	BOS	33	0	8	3	0	14	21	66.7	2	5	40.0	0	0		71.4	0	0	2	3
24	Derek Harper D. Harper	29	2/1/1997	DAL	vs	UTA	43	3	11	2	0	8	12	66.7	4	6	66.7	9	12	75.0	83.9	1	2	2	3	+12
25	Derek Harper D. Harper	29	4/15/1991	DAL	@	LAL	36	3	7	3	1	11	22	50.0	3	6	50.0	4	4	100.0	61.0	1	2	3	5