Josh Richardson has his most career points per game versus the Heat, with 14.8 per game.

josh 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	+/-
Heat	14.8	8	29.0	3.5	3.4	0.1	0.3	1.6	5.4	10.8	50.0	2.4	5.3	45.2	1.6	2.1	76.5	232	118	28	27	1	2	13	20	+63
Cavaliers	14.4	21	30.0	3.0	3.0	1.2	0.6	1.2	5.4	10.8	50.2	2.0	4.7	41.8	1.6	1.9	84.6	631	302	62	62	26	12	25	37	+111
Warriors	13.6	14	27.5	1.9	2.1	0.9	0.5	1.4	4.8	9.6	49.6	2.6	5.1	50.0	1.4	1.6	87.0	385	190	27	29	12	7	20	31	-96
Hawks	13.4	21	28.6	3.3	2.2	1.2	1.1	1.3	4.8	10.6	45.0	1.6	4.5	35.1	2.3	2.6	90.7	600	282	69	47	25	23	27	42	+8
Pacers	12.8	22	30.4	3.1	2.5	1.0	0.4	2.0	4.6	10.0	46.1	1.6	4.2	38.0	2.0	2.4	84.9	668	282	68	55	21	8	43	49	-82
Kings	12.7	15	26.8	3.4	2.4	1.0	0.7	1.3	4.9	10.5	47.1	1.9	4.9	37.8	1.0	1.1	93.8	403	191	51	36	15	10	20	30	+3
Spurs	12.6	13	31.1	3.1	2.8	1.3	0.4	1.1	4.6	10.8	42.6	1.8	4.5	39.0	1.6	1.6	100.0	404	164	40	37	17	5	14	31	+22
Knicks	12.5	22	28.3	3.0	2.4	1.9	0.6	1.3	4.5	9.6	46.9	1.7	4.3	40.0	1.8	2.0	90.7	623	275	65	53	41	14	28	41	-1
Clippers	12.3	18	26.7	2.9	2.4	1.0	0.6	1.2	4.4	9.6	45.7	1.9	4.7	40.5	1.7	2.1	81.1	481	222	52	43	18	10	21	30	+31
Thunder	12.2	20	28.6	3.2	2.6	1.1	0.3	1.2	4.6	10.6	43.4	1.4	4.3	32.9	1.6	1.9	84.2	572	244	63	51	22	6	23	44	-64
Pistons	12.1	21	30.2	3.4	3.1	1.0	0.8	1.2	4.3	9.7	44.6	1.6	3.6	43.4	1.9	2.4	80.0	633	255	71	66	21	16	26	48	+14
Bucks	12.1	17	30.9	3.6	2.5	0.9	0.4	0.8	4.6	11.5	39.8	1.5	5.0	30.6	1.4	1.6	85.7	526	206	61	42	16	7	13	44	+46
Mavericks	12.1	10	28.2	3.0	2.9	0.7	0.9	1.7	4.8	9.5	50.5	1.8	4.3	41.9	0.7	1.0	70.0	282	121	30	29	7	9	17	16	+12
Celtics	12.0	20	29.7	2.9	3.1	1.1	0.8	1.6	4.4	10.3	42.2	1.5	4.9	29.9	1.9	2.0	92.5	595	240	58	61	21	16	31	43	-16
Jazz	12.0	12	30.5	3.2	2.5	1.2	0.3	1.5	4.4	9.8	44.9	1.3	3.8	34.8	1.8	2.2	84.6	366	144	38	30	14	4	18	31	-51
Nuggets	11.9	15	29.4	2.7	2.7	1.1	0.9	1.9	4.2	9.6	43.8	2.1	4.3	47.7	1.5	1.7	88.0	441	179	40	41	16	13	28	43	-5
Bulls	11.8	22	28.7	2.7	2.5	0.8	0.5	1.0	4.5	10.2	44.2	1.9	5.2	36.8	0.9	1.1	76.0	632	259	59	54	18	11	23	52	-1
Trail Blazers	11.5	22	26.6	2.5	2.4	1.1	0.4	1.3	4.5	9.5	47.1	1.5	4.5	33.7	1.1	1.3	82.8	585	253	55	52	24	8	28	40	+25
Rockets	11.3	15	28.4	2.6	3.0	0.5	0.3	1.1	4.0	9.7	41.1	2.2	5.7	38.4	1.1	1.3	85.0	427	170	39	45	8	4	17	37	-7
Suns	11.1	14	32.2	4.2	3.4	1.0	0.4	1.6	4.0	10.2	39.2	1.3	4.3	30.0	1.9	2.0	92.9	451	156	59	48	14	5	22	40	+88
Grizzlies	11.1	18	24.5	2.9	3.2	1.4	0.3	1.7	4.0	9.5	42.1	1.7	4.5	38.3	1.3	1.5	88.9	442	199	52	57	25	6	31	37	+31
Hornets	11.0	23	28.3	3.3	2.8	0.8	0.6	1.3	4.0	10.1	39.1	1.5	4.3	34.0	1.7	2.1	79.2	651	254	77	64	18	13	30	58	+58
Nets	11.0	21	31.3	4.0	3.0	1.2	0.5	1.4	4.2	10.9	38.4	1.0	3.9	24.4	1.7	2.1	77.8	656	231	84	63	25	11	29	50	-21
Magic	11.0	26	31.2	3.6	3.3	0.9	0.4	1.2	3.9	10.2	38.3	1.3	4.5	28.8	1.9	2.2	89.3	810	286	93	85	24	11	30	61	+109
Wizards	11.0	24	29.4	2.7	2.5	1.0	0.6	1.5	3.9	8.9	43.7	1.5	4.0	37.1	1.8	2.0	87.5	705	264	64	60	24	15	36	47	-7