JaVale McGee has his most career points per game against the Celtics, with 9.9 per game.

javale mcgee 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	+/-
Celtics	9.9	27	20.5	6.0	0.3	0.5	1.9	1.1	4.0	7.1	55.7	0.1	0.2	40.0	1.9	3.0	64.2	552	268	163	8	14	52	31	52	-181
Hornets	9.7	27	19.1	5.0	0.6	0.5	2.0	1.1	4.2	6.6	63.5	0.0	0.0	0.0	1.4	1.9	71.2	515	263	134	16	14	53	31	54	+111
Pistons	9.2	27	17.3	4.3	0.3	0.2	1.7	1.1	4.1	6.1	67.7	0.1	0.1	50.0	0.9	1.6	55.8	466	248	116	7	6	46	31	72	+7
Warriors	8.9	28	17.1	6.5	0.4	0.3	1.3	1.4	3.6	6.5	55.5	0.0	0.1	0.0	1.6	2.6	63.0	479	248	183	12	9	36	38	49	-52
Bulls	8.3	28	18.8	5.4	0.4	0.2	2.2	0.5	3.5	6.9	50.8	0.1	0.2	50.0	1.2	1.8	67.3	527	232	152	11	6	61	14	42	+44
Hawks	8.3	32	19.2	5.1	0.6	0.5	1.4	1.0	3.6	6.1	59.0	0.0	0.2	0.0	1.1	1.9	56.5	616	265	162	18	17	45	32	81	-6
Spurs	8.1	35	15.5	5.5	0.4	0.3	1.4	1.2	3.4	5.5	61.9	0.0	0.0		1.3	1.8	71.4	543	285	194	14	11	50	43	73	+12
Kings	8.1	38	16.4	5.9	0.7	0.3	1.3	1.0	3.4	5.6	60.7	0.0	0.0	0.0	1.4	2.1	67.1	624	309	225	25	12	48	39	84	+69
Rockets	8.1	34	15.2	5.1	0.3	0.3	1.6	1.0	3.6	5.8	62.8	0.0	0.1	0.0	0.9	1.4	61.2	517	276	174	10	9	54	33	71	+40
Clippers	8.0	34	16.2	4.9	0.4	0.3	1.3	1.0	3.5	6.0	58.5	0.0	0.2	14.3	0.9	1.5	58.8	551	271	166	13	10	45	34	75	-36
Trail Blazers	7.8	36	15.0	4.5	0.5	0.4	1.5	0.9	3.4	5.5	62.9	0.0	0.1	0.0	0.9	1.5	56.4	539	279	161	18	14	53	32	78	-87
Nuggets	7.7	31	15.6	4.6	0.4	0.4	1.2	0.8	3.4	5.9	56.8	0.0	0.1	50.0	1.0	1.6	62.0	483	240	144	13	12	38	26	68	-48
Heat	7.6	29	16.9	5.8	0.4	0.4	1.3	0.8	3.4	6.3	54.1	0.0	0.0	0.0	0.8	1.4	52.4	491	220	168	12	12	39	22	46	-31
Lakers	7.5	29	14.7	4.8	0.4	0.7	1.0	1.0	3.2	4.9	65.7	0.0	0.0	0.0	1.0	1.6	63.0	427	217	138	11	19	29	30	64	-8
Jazz	7.4	35	18.0	5.6	0.6	0.5	1.4	1.0	3.3	6.5	50.2	0.0	0.2	0.0	0.9	1.5	57.7	632	260	197	20	16	49	35	72	-74
Nets	7.4	27	16.6	4.5	0.4	0.3	1.4	1.2	3.2	5.7	55.5	0.0	0.0	0.0	1.0	2.1	49.1	448	200	122	11	8	37	32	66	-18
Pacers	7.3	29	15.5	5.4	0.5	0.4	1.2	1.1	2.9	5.4	54.1	0.0	0.1	0.0	1.4	2.3	63.6	450	212	156	14	11	36	33	73	-90
Bucks	7.3	27	17.1	5.7	0.1	0.4	1.2	0.8	3.2	5.7	56.2	0.0	0.1	50.0	0.9	1.6	54.5	462	197	155	3	10	33	22	52	-50
Suns	7.3	31	14.8	3.5	0.5	0.5	1.0	0.8	3.1	5.4	57.5	0.1	0.1	66.7	1.0	2.3	44.3	458	225	110	15	15	30	24	61	+3
Knicks	7.2	32	15.5	5.3	0.4	0.3	1.3	0.9	3.1	5.3	59.5	0.0	0.2	20.0	0.9	1.7	56.6	496	231	168	13	11	41	29	61	-43
Pelicans	7.2	34	14.0	4.9	0.3	0.2	1.3	0.9	3.1	5.2	59.7	0.0	0.0	0.0	1.0	1.5	67.3	476	245	167	11	8	43	32	66	+1
Wizards	7.2	13	14.1	5.8	0.7	0.8	1.6	1.2	2.7	4.8	56.5	0.0	0.0		1.8	2.7	65.7	184	93	75	9	10	21	15	26	+36
Thunder	7.1	37	14.6	4.4	0.3	0.3	1.1	1.2	3.1	5.3	57.7	0.0	0.1	0.0	1.0	1.8	54.5	538	262	161	11	11	42	43	71	-139
Raptors	7.0	28	15.4	5.1	0.5	0.4	1.6	1.0	2.7	5.0	53.6	0.0	0.0		1.6	2.5	64.8	433	196	142	14	10	45	28	63	-77
Timberwolves	6.9	34	15.3	4.5	0.3	0.4	1.5	1.2	3.1	5.1	60.9	0.0	0.0	0.0	0.6	1.3	48.8	520	233	153	9	15	51	42	85	+1