Jaylen Nowell has scored his most career points per game versus the Celtics, with 15.5 per game.

jaylen nowell 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	15.5	4	23.6	3.8	2.0	0.5	0.3	0.3	5.8	12.0	47.9	2.5	5.8	43.5	1.5	1.8	85.7	95	62	15	8	2	1	1	5	0
Thunder	13.0	11	21.8	2.9	2.5	0.5	0.2	0.6	4.8	9.8	49.1	1.5	3.6	40.0	1.9	2.2	87.5	240	143	32	28	5	2	7	17	+75
Jazz	12.9	8	21.6	2.4	3.4	0.8	0.0	0.4	5.0	10.4	48.2	1.6	4.1	39.4	1.3	1.6	76.9	173	103	19	27	6	0	3	15	+57
Bulls	12.0	3	20.8	2.3	1.7	0.3	0.3	0.3	5.0	9.3	53.6	1.7	4.0	41.7	0.3	0.3	100.0	62	36	7	5	1	1	1	2	+2
Cavaliers	12.0	5	18.6	2.0	1.8	0.6	0.0	0.2	4.8	9.6	50.0	1.0	3.2	31.3	1.4	2.2	63.6	93	60	10	9	3	0	1	9	+20
Wizards	11.4	5	16.4	3.2	1.4	0.6	0.0	0.4	3.8	7.0	54.3	1.4	2.4	58.3	2.4	2.8	85.7	82	57	16	7	3	0	2	4	-22
Bucks	10.7	6	18.4	3.0	1.3	0.7	0.3	1.0	4.0	10.0	40.0	1.7	4.3	38.5	1.0	1.3	75.0	110	64	18	8	4	2	6	9	-19
Nets	10.0	4	18.6	3.0	1.0	0.3	0.3	0.5	3.8	9.0	41.7	1.3	3.5	35.7	1.3	1.5	83.3	74	40	12	4	1	1	2	4	+22
Trail Blazers	10.0	11	18.8	1.8	1.9	0.3	0.1	1.1	3.9	7.7	50.6	1.3	3.6	35.0	0.9	1.2	76.9	206	110	20	21	3	1	12	13	-7
Grizzlies	10.0	8	17.1	2.0	1.6	0.8	0.1	1.6	4.0	8.9	45.1	1.0	3.5	28.6	1.0	1.3	80.0	137	80	16	13	6	1	13	5	-29
Spurs	9.8	8	15.2	2.9	0.9	0.3	0.0	0.8	3.6	8.3	43.9	0.9	3.0	29.2	1.6	1.8	92.9	122	78	23	7	2	0	6	7	+6
Lakers	9.1	7	17.3	3.1	2.1	0.9	0.7	0.6	3.9	9.0	42.9	0.7	2.9	25.0	0.7	0.9	83.3	121	64	22	15	6	5	4	10	-15
Warriors	9.0	8	18.6	2.3	2.3	0.5	0.1	0.3	3.1	7.3	43.1	1.1	3.4	33.3	1.6	2.1	76.5	149	72	18	18	4	1	2	12	+34
Knicks	8.5	6	19.3	3.2	2.8	1.3	0.5	0.5	3.7	9.5	38.6	0.7	3.0	22.2	0.5	0.7	75.0	116	51	19	17	8	3	3	10	-51
Nuggets	8.5	8	18.1	1.6	1.8	0.1	0.0	0.9	3.3	6.8	48.1	0.8	3.1	24.0	1.3	1.3	100.0	145	68	13	14	1	0	7	11	+49
Mavericks	8.5	13	17.4	2.2	1.3	0.5	0.1	0.8	3.2	7.0	45.1	0.6	2.4	25.8	1.5	1.8	87.0	226	110	29	17	6	1	11	19	+6
Suns	8.5	11	18.0	1.4	1.5	0.4	0.2	1.2	3.2	7.8	40.7	0.8	3.0	27.3	1.3	1.5	87.5	198	93	15	16	4	2	13	26	-49
Kings	8.2	5	14.7	2.6	1.2	0.4	0.0	0.4	3.2	7.2	44.4	0.8	2.4	33.3	1.0	1.4	71.4	73	41	13	6	2	0	2	8	+7
Pelicans	8.0	6	13.3	1.7	1.7	0.5	0.2	0.3	3.0	5.3	56.3	1.3	2.0	66.7	0.7	1.3	50.0	80	48	10	10	3	1	2	5	+9
Magic	7.0	5	14.7	1.8	1.8	0.4	0.4	0.4	2.4	5.8	41.4	0.6	2.4	25.0	1.6	1.8	88.9	74	35	9	9	2	2	2	8	-12
Clippers	6.9	8	15.3	1.8	2.5	0.6	0.1	1.3	2.9	7.8	37.1	0.6	2.6	23.8	0.5	0.5	100.0	123	55	14	20	5	1	10	5	-13
76ers	6.8	5	13.7	1.2	1.2	0.0	0.2	0.8	2.4	5.2	46.2	0.8	2.8	28.6	1.2	1.6	75.0	69	34	6	6	0	1	4	8	-34
Heat	6.5	4	14.6	1.3	2.3	0.0	0.0	0.5	2.5	7.0	35.7	0.8	2.8	27.3	0.8	1.0	75.0	58	26	5	9	0	0	2	5	-14
Timberwolves	6.0	2	16.9	2.5	2.5	0.0	0.0	0.5	2.5	5.0	50.0	1.0	2.5	40.0	0.0	0.0		34	12	5	5	0	0	1	5	-1
Pistons	6.0	6	13.9	1.0	1.8	0.8	0.0	0.3	2.5	5.5	45.5	0.5	2.5	20.0	0.5	1.0	50.0	84	36	6	11	5	0	2	6	-24