Morris Peterson had his most career points per game versus the New Orleans/Oklahoma City Hornets, with 13.3 per game.

morris peterson 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	+/-
Hornets	13.3	13	33.6	4.6	2.1	0.9	0.3	1.4	4.5	10.8	41.1	2.1	4.7	44.3	2.3	2.8	83.3	437	173	60	27	12	4	18	42	-8
Hawks	12.6	28	29.9	4.3	1.7	1.0	0.1	0.9	4.7	10.5	44.4	1.5	3.9	38.5	1.7	2.2	77.4	837	352	121	48	28	4	26	56	+48
Kings	12.5	20	29.7	4.3	1.9	0.9	0.3	0.9	4.4	10.1	43.3	1.8	4.4	40.2	2.0	2.2	93.0	593	249	86	37	17	5	18	42	-7
Suns	12.4	23	26.4	3.7	1.5	1.0	0.1	1.2	4.4	9.7	45.7	1.9	4.3	44.0	1.6	1.9	86.0	607	285	86	35	23	3	27	38	+12
Nets	12.2	29	29.6	4.3	1.7	0.7	0.1	1.6	4.5	9.3	48.3	1.5	3.9	39.3	1.8	2.3	76.1	857	355	126	49	20	3	45	69	-65
Thunder	12.1	18	28.6	4.3	1.5	0.8	0.2	0.9	4.7	11.0	42.4	1.8	4.7	38.1	1.0	1.4	69.2	515	218	78	27	14	3	16	32	-24
Bulls	12.0	28	28.8	3.2	1.8	1.1	0.2	1.1	4.0	9.6	41.3	1.3	3.6	35.6	2.8	3.5	81.4	807	337	89	49	32	5	32	73	-56
Mavericks	12.0	21	25.7	3.6	1.7	1.0	0.1	0.8	4.5	9.1	49.7	1.5	3.8	40.5	1.4	1.6	88.2	540	252	75	35	20	2	16	42	-15
Knicks	11.7	29	27.4	3.3	1.0	0.9	0.3	1.0	4.0	8.9	44.7	1.8	4.2	42.6	2.0	2.4	84.1	794	340	97	30	26	9	29	71	+96
Magic	11.6	29	28.8	4.4	1.7	1.0	0.1	1.0	4.1	9.4	43.6	1.4	3.8	36.4	2.0	2.9	69.9	834	336	127	48	29	3	30	83	-22
Warriors	11.5	21	26.2	3.7	1.8	0.8	0.1	1.0	4.5	9.3	48.2	1.8	4.0	44.7	0.7	1.3	53.6	550	241	77	38	17	3	20	45	+4
76ers	11.3	29	28.6	3.3	1.9	1.0	0.1	1.2	3.9	10.0	39.4	1.7	4.2	39.8	1.8	2.1	83.6	830	328	97	56	30	4	36	65	+10
Celtics	11.1	30	26.0	2.9	1.7	1.0	0.4	0.8	3.9	9.1	43.0	1.5	3.6	41.3	1.8	2.2	84.6	781	334	87	51	30	11	24	74	+15
Heat	11.0	30	28.0	3.0	1.3	0.8	0.2	1.0	4.0	9.8	40.6	1.4	4.1	35.2	1.7	2.3	73.5	840	331	89	40	24	5	29	71	-83
Cavaliers	10.9	30	28.9	3.8	1.5	0.8	0.3	0.9	4.1	10.5	38.9	1.1	3.5	32.7	1.6	2.3	70.6	868	328	113	44	25	8	27	73	-9
Wizards	10.9	29	26.8	3.5	1.3	0.9	0.5	1.0	3.9	9.0	42.7	1.5	4.0	37.6	1.7	2.1	79.0	778	317	102	38	27	14	30	77	-61
Timberwolves	10.9	19	26.0	3.8	1.6	0.7	0.1	1.0	3.7	9.3	39.8	1.6	3.6	43.5	1.9	2.3	84.1	493	207	73	30	14	1	19	41	+46
Pacers	10.8	28	29.9	3.8	1.7	0.8	0.3	1.2	3.9	9.6	40.3	1.2	3.5	33.3	1.9	2.4	81.8	837	303	105	48	23	8	34	76	-7
Pistons	10.7	28	27.7	3.3	1.8	1.0	0.2	1.3	4.0	9.5	41.9	1.2	3.3	36.6	1.5	1.9	79.2	776	300	93	50	28	6	35	68	-32
Bucks	10.6	30	28.2	3.2	1.5	1.2	0.1	1.1	3.9	10.1	38.9	1.4	4.0	33.9	1.4	1.9	71.9	846	318	96	44	36	3	32	68	-164
Lakers	10.3	20	25.5	2.4	1.5	0.7	0.1	0.6	3.7	9.1	40.7	1.4	4.0	33.8	1.5	1.9	78.9	510	205	48	29	14	1	11	59	-59
Bobcats	9.6	23	28.7	4.0	2.1	1.4	0.3	1.1	3.3	9.7	34.2	1.4	4.0	34.8	1.6	1.8	85.7	659	220	93	49	33	6	25	53	+105
Clippers	9.4	21	24.5	3.5	1.4	0.6	0.2	0.9	3.5	7.9	44.0	1.3	3.4	38.9	1.1	1.4	80.0	515	198	73	29	12	4	18	40	+56
Grizzlies	9.1	21	26.4	2.8	1.5	1.2	0.3	1.1	3.5	8.6	40.3	1.2	3.7	33.8	0.9	1.1	79.2	554	191	58	32	26	7	23	37	-46
Jazz	9.0	23	24.4	2.7	1.0	0.6	0.1	1.1	3.4	8.0	42.2	1.1	3.3	32.9	1.1	2.0	55.6	561	206	62	22	14	3	25	51	-84