Jason Richardson had his most career points per game against the Warriors, with 22.2 per game.

jason richardson highest career ppg by opponent

OPP	PPG	GP	MPG	RPG	APG	SPG	BPG	TPG	FGM	FGA	FG%	3PM	3PA	3P%	FTM	FTA	FT%	MIN	PTS	REB	AST	STL	BLK	TOV	PF	+/-
Warriors	22.2	13	33.9	3.7	2.0	1.1	0.5	1.8	8.1	15.3	52.8	3.0	5.9	50.6	3.0	3.7	81.3	440	288	48	26	14	6	23	29	+38
Kings	20.3	35	34.9	5.5	3.2	1.7	0.6	1.8	7.8	17.4	45.1	1.9	5.5	34.0	2.8	4.3	65.1	1,223	712	194	111	58	21	63	81	+24
Timberwolves	19.9	34	34.6	4.9	3.2	1.1	0.4	1.8	7.3	15.6	46.8	2.4	5.6	42.4	2.9	3.9	73.7	1,176	677	167	108	36	12	61	70	+58
Wizards	18.5	29	32.5	4.6	2.6	1.2	0.4	1.8	7.1	14.2	50.1	2.6	5.8	44.6	1.6	2.3	70.1	943	536	133	76	34	12	51	62	+156
Cavaliers	18.4	28	34.5	4.5	2.6	1.7	0.7	2.0	7.0	15.4	45.2	2.1	5.0	41.4	2.4	3.1	75.0	967	514	125	72	47	19	55	63	+7
Heat	18.3	24	34.4	3.9	2.4	0.8	0.2	1.8	6.8	14.8	46.3	2.4	5.6	42.2	2.3	3.1	73.3	827	440	93	58	20	5	43	54	-16
Clippers	18.3	33	34.0	5.5	2.8	1.3	0.4	1.8	7.1	16.0	44.1	1.8	5.0	36.6	2.4	3.5	67.2	1,123	604	182	94	44	13	58	67	+62
Rockets	18.1	34	35.7	5.8	2.7	1.2	0.3	1.8	6.9	15.4	45.0	1.8	4.9	36.9	2.4	3.2	76.9	1,213	615	198	93	41	10	62	92	-14
Mavericks	18.0	36	35.9	5.9	2.9	1.3	0.4	1.8	6.9	15.9	43.8	1.7	5.2	32.4	2.4	3.3	73.9	1,293	649	212	103	45	13	65	86	-45
Nets	17.8	23	34.1	4.6	2.6	1.3	0.3	1.6	7.1	15.3	46.4	1.6	5.0	32.5	2.0	2.9	71.2	785	410	105	60	31	8	37	54	-2
Thunder	17.8	35	35.5	5.3	2.6	1.2	0.3	1.9	6.9	15.4	44.7	1.8	4.9	37.1	2.2	3.1	71.3	1,241	622	187	92	42	10	65	69	+101
Bucks	17.4	26	34.8	4.6	2.5	1.3	0.4	2.0	6.8	14.8	45.9	2.1	5.5	38.5	1.7	2.6	64.7	905	453	119	65	33	10	52	68	+57
Nuggets	17.2	38	34.5	5.5	3.2	1.3	0.8	2.1	6.6	14.7	44.6	1.8	4.9	36.7	2.2	3.4	66.4	1,310	654	209	122	50	29	78	104	-10
Celtics	17.0	29	34.2	4.8	2.5	1.3	0.3	1.7	6.5	14.6	44.7	2.0	5.3	37.3	2.0	2.9	68.2	992	493	140	72	39	10	50	62	-75
76ers	16.8	22	35.4	4.5	2.9	1.3	0.3	2.2	5.9	13.9	42.5	2.3	5.5	41.8	2.7	3.3	81.9	778	370	100	64	29	6	49	45	+85
Hawks	16.7	25	34.6	4.8	2.6	1.3	0.6	1.6	6.2	14.0	44.2	1.6	5.2	30.8	2.7	3.7	73.9	864	418	121	65	33	15	40	55	+73
Raptors	16.7	26	36.0	5.5	1.9	0.9	0.3	1.0	6.0	13.8	43.9	1.9	5.1	36.8	2.7	3.7	72.2	935	433	143	49	23	8	26	56	+82
Lakers	16.4	36	33.7	4.3	2.3	1.3	0.5	1.7	6.2	15.3	40.6	2.0	5.9	33.6	2.0	3.1	64.3	1,214	591	153	82	47	19	61	89	-124
Jazz	16.4	34	34.1	4.8	2.7	0.8	0.6	1.8	6.3	14.3	43.9	1.8	4.6	39.7	2.0	3.1	65.4	1,161	558	164	92	26	19	61	93	-17
Magic	16.2	21	32.0	4.2	3.3	1.0	0.4	2.0	5.8	13.4	43.3	1.6	4.5	36.2	3.0	4.4	67.7	672	341	88	69	21	9	41	54	-67
Bulls	16.2	28	34.4	4.8	2.6	1.0	0.6	1.8	6.1	14.9	41.0	2.0	5.4	37.5	1.9	2.8	69.2	962	453	134	74	29	16	49	73	-30
Suns	16.1	28	35.3	6.8	3.0	1.4	0.4	1.6	6.5	15.6	42.0	1.8	4.9	37.0	1.2	2.1	56.7	989	451	189	84	38	11	45	52	-71
Pistons	16.0	25	33.3	3.8	2.6	0.8	0.4	1.2	5.7	13.5	42.3	2.1	5.2	40.5	2.4	3.0	81.3	832	400	94	64	20	10	30	59	+1
Grizzlies	16.0	35	33.1	5.3	2.7	1.3	0.7	1.7	6.0	14.9	40.6	1.6	4.7	33.5	2.3	3.0	77.4	1,159	559	184	96	44	23	61	78	-12
Hornets	15.6	24	34.4	5.0	2.9	0.6	0.3	1.7	5.8	15.0	38.6	1.3	4.3	31.1	2.7	3.3	81.3	825	375	120	70	15	7	41	60	-56