Kevin Garnett put up his most career points per game against the Celtics, with 20.5 per game.

kevin garnett 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	20.5	28	37.0	9.4	4.7	0.9	1.7	2.1	8.3	15.9	52.3	0.3	0.7	36.8	3.7	4.7	78.8	1,036	575	263	132	26	47	58	59	+116
Mavericks	20.1	52	37.1	11.0	4.2	1.3	1.4	2.5	8.0	15.9	50.3	0.1	0.4	28.6	4.0	5.1	78.7	1,928	1,046	570	216	66	75	131	155	+105
Rockets	19.5	55	36.4	10.3	4.3	1.3	1.5	2.2	7.9	16.6	47.6	0.2	0.5	33.3	3.5	4.6	76.8	2,001	1,075	565	239	74	81	119	139	+116
Kings	19.5	62	35.1	11.0	3.8	1.3	1.4	2.6	7.9	15.4	51.2	0.2	0.5	45.2	3.5	4.3	80.9	2,175	1,208	684	237	83	88	160	153	+284
Warriors	19.5	60	35.5	10.5	4.2	1.2	1.6	2.5	7.7	14.9	51.8	0.1	0.4	18.2	4.0	5.1	76.9	2,128	1,167	627	249	73	96	149	141	+220
Suns	19.0	57	35.9	11.1	3.9	1.5	1.5	2.5	7.7	15.9	48.4	0.1	0.5	14.3	3.5	4.4	79.4	2,048	1,081	635	224	85	83	144	150	+131
Spurs	18.8	56	35.7	9.7	3.8	1.4	1.8	2.5	7.7	16.4	46.9	0.2	0.4	40.9	3.2	4.2	77.7	2,001	1,052	545	210	78	100	142	156	-13
Clippers	18.6	60	35.1	9.6	3.8	1.6	1.7	2.1	7.4	14.5	50.7	0.1	0.3	20.0	3.8	4.7	79.5	2,103	1,113	577	227	93	102	123	166	+335
Lakers	18.6	60	36.6	10.8	4.2	1.3	1.5	2.4	7.5	15.7	47.7	0.3	0.8	36.0	3.3	4.4	74.9	2,196	1,113	647	249	75	89	141	161	-40
Grizzlies	18.3	57	34.3	10.1	4.4	1.4	1.8	2.1	7.4	14.6	51.1	0.1	0.4	24.0	3.3	4.4	75.6	1,953	1,043	574	249	78	103	120	128	+426
Raptors	18.0	46	33.1	8.7	3.6	1.0	0.9	1.9	7.3	14.0	51.9	0.1	0.4	35.3	3.3	4.1	81.5	1,524	830	399	166	47	40	86	99	+196
Jazz	18.0	61	34.7	9.3	3.0	1.4	1.6	2.4	7.1	14.2	50.3	0.1	0.4	30.4	3.6	4.6	77.8	2,114	1,096	567	186	88	98	146	160	+2
Thunder	17.4	63	35.5	10.2	4.1	1.1	1.5	2.4	6.9	14.0	48.8	0.1	0.5	15.6	3.6	4.5	80.9	2,234	1,097	640	259	71	97	152	162	+50
Nuggets	17.4	64	34.6	10.5	3.9	1.3	1.6	2.3	7.0	13.9	49.9	0.0	0.3	14.3	3.4	4.4	78.0	2,213	1,113	670	252	83	104	146	152	+332
Nets	17.4	43	33.4	10.6	3.2	1.4	1.3	2.1	6.9	13.9	49.8	0.1	0.3	26.7	3.5	4.1	85.1	1,437	747	455	138	62	57	91	100	+175
Pacers	17.3	44	33.5	9.4	2.8	1.3	1.3	2.0	6.8	13.8	49.7	0.1	0.2	44.4	3.5	4.7	74.9	1,475	761	413	121	56	56	89	120	+88
Wizards	17.3	47	33.4	9.4	3.9	1.1	1.2	2.3	6.9	13.8	50.2	0.1	0.4	33.3	3.3	4.2	77.8	1,569	811	440	181	53	58	106	116	+219
Pelicans	17.2	27	33.1	10.3	3.9	1.1	1.1	1.9	7.3	14.0	51.7	0.1	0.4	27.3	2.6	3.4	75.3	894	465	279	104	30	30	51	64	+49
Trail Blazers	17.2	64	36.1	9.5	3.8	1.3	1.5	2.1	7.3	14.6	49.8	0.2	0.7	31.8	2.5	3.3	74.8	2,311	1,101	611	241	82	94	132	168	+188
76ers	17.1	50	32.7	8.6	3.5	1.2	1.3	2.4	6.7	13.3	50.7	0.1	0.3	17.6	3.6	4.3	82.9	1,636	854	432	173	61	64	120	94	+339
Pistons	17.1	44	33.3	9.6	3.3	1.0	0.9	2.2	6.8	14.2	48.0	0.1	0.4	15.8	3.4	4.3	79.8	1,463	751	421	143	46	39	96	93	+155
Bobcats	17.1	36	33.7	9.8	3.2	0.9	1.5	1.7	6.9	14.1	49.1	0.1	0.5	23.5	3.1	3.8	82.4	1,215	614	354	115	34	54	62	93	+60
Hawks	17.0	43	32.9	10.0	3.7	1.4	1.0	1.7	7.2	13.8	51.9	0.1	0.4	31.3	2.6	3.1	82.7	1,416	731	428	157	61	42	72	100	+245
Bucks	16.7	46	31.7	9.7	3.5	1.2	1.1	1.7	6.6	13.7	48.3	0.1	0.4	27.8	3.4	4.4	76.4	1,459	768	445	159	56	51	80	91	+298
Heat	16.5	45	34.1	10.4	3.2	1.1	1.3	1.8	6.9	14.1	49.1	0.1	0.3	25.0	2.6	3.3	80.3	1,534	743	466	146	49	58	81	89	+90