James Harden had the most games with 45+ points in 2018-19, with 12 games.

Interpreted as:

most 45+ point games by a player in 2019

	NAME	GP	PTS	SEASON	TM	MPG	PPG	RPG	APG	SPG	BPG	FGM	FGA	FG%	3PM	3PA	3P%	FTM	FTA	FT%	TS%	OREB	DREB	TPG	MIN	REB	AST	STL	BLK	TOV	PF	+/-
1	James Harden J. Harden	12	646	2018-19	HOU	40.6	53.8	8.3	6.8	2.6	0.6	15.5	32.2	48.2	6.8	16.8	40.3	16.1	17.8	90.6	67.3	1.8	6.6	5.1	487	100	82	31	7	61	37	+126
2	Paul George P. George	4	184	2018-19	OKC	43.0	46.0	11.8	6.0	1.0	0.3	14.8	26.5	55.7	6.3	13.3	47.2	10.3	12.3	83.7	72.1	1.8	10.0	1.5	172	47	24	4	1	6	14	+38
3	Devin Booker D. Booker	3	157	2018-19	PHX	40.2	52.3	5.7	6.3	0.7	0.3	19.0	30.7	62.0	3.7	7.7	47.8	10.7	11.7	91.4	73.1	1.3	4.3	5.7	121	17	19	2	1	17	11	-4
4	Kemba Walker K. Walker	3	154	2018-19	CHA	39.4	51.3	5.3	3.7	1.7	0.3	18.0	30.3	59.3	5.3	10.3	51.6	10.0	11.7	85.7	72.4	0.3	5.0	4.3	118	16	11	5	1	13	5	-18
5	Giannis Antetokounmpo G. Antetokounmpo	2	97	2018-19	MIL	35.6	48.5	14.5	6.5	1.0	3.0	14.0	24.0	58.3	3.0	7.5	40.0	17.5	21.0	83.3	73.0	0.5	14.0	0.5	71	29	13	2	6	1	3	+21
6	Donovan Mitchell D. Mitchell	2	92	2018-19	UTA	37.7	46.0	5.0	5.0	2.0	0.5	14.5	29.0	50.0	5.0	9.0	55.6	12.0	15.0	80.0	64.6	2.0	3.0	3.5	75	10	10	4	1	7	7	+34
7	LaMarcus Aldridge L. Aldridge	2	104	2018-19	SAS	43.0	52.0	11.0	5.0	0.0	2.5	20.0	32.0	62.5	0.5	0.5	100.0	11.5	12.0	95.8	69.7	3.5	7.5	4.0	86	22	10	0	5	8	7	+30
8	Anthony Davis A. Davis	2	94	2018-19	NOP	40.9	47.0	16.5	4.0	2.5	1.5	18.0	33.0	54.5	1.0	3.5	28.6	10.0	11.5	87.0	61.7	6.0	10.5	1.0	82	33	8	5	3	2	7	+3
9	Kevin Durant K. Durant	2	100	2018-19	GSW	41.3	50.0	8.5	7.5	1.0	1.0	17.0	32.0	53.1	4.0	8.5	47.1	12.0	12.5	96.0	66.7	1.5	7.0	2.5	83	17	15	2	2	5	8	+8
10	Jamal Murray J. Murray	2	94	2018-19	DEN	38.9	47.0	5.5	6.0	0.0	0.5	17.5	27.0	64.8	7.0	11.0	63.6	5.0	5.5	90.9	79.9	0.5	5.0	5.0	78	11	12	0	1	10	3	+2
11	Stephen Curry S. Curry	2	99	2018-19	GSW	34.2	49.5	5.0	4.0	0.5	1.5	16.0	28.0	57.1	11.0	17.5	62.9	6.5	6.5	100.0	80.2	1.5	3.5	1.0	68	10	8	1	3	2	6	+28
12	Blake Griffin B. Griffin	2	95	2018-19	DET	39.3	47.5	10.5	4.5	1.0	0.5	15.5	27.5	56.4	7.0	12.0	58.3	9.5	13.5	70.4	71.0	1.5	9.0	1.0	79	21	9	2	1	2	4	-7
13	Jamal Crawford J. Crawford	1	51	2018-19	PHX	38.1	51.0	5.0	5.0	1.0	1.0	18.0	30.0	60.0	7.0	13.0	53.8	8.0	9.0	88.9	75.1	0.0	5.0	4.0	38	5	5	1	1	4	4	-5
14	Julius Randle J. Randle	1	45	2018-19	NOP	42.1	45.0	11.0	6.0	2.0	3.0	20.0	34.0	58.8	2.0	7.0	28.6	3.0	11.0	27.3	57.9	5.0	6.0	7.0	42	11	6	2	3	7	3	-9
15	Damian Lillard D. Lillard	1	51	2018-19	POR	47.3	51.0	5.0	9.0	1.0	2.0	15.0	28.0	53.6	3.0	10.0	30.0	18.0	20.0	90.0	69.3	1.0	4.0	3.0	47	5	9	1	2	3	3	-5
16	Zach LaVine Z. LaVine	1	47	2018-19	CHI	55.6	47.0	9.0	9.0	2.0	0.0	17.0	35.0	48.6	6.0	14.0	42.9	7.0	11.0	63.6	59.0	2.0	7.0	8.0	56	9	9	2	0	8	3	+5
17	Trae Young T. Young	1	49	2018-19	ATL	55.8	49.0	8.0	16.0	1.0	1.0	17.0	33.0	51.5	6.0	13.0	46.2	9.0	11.0	81.8	64.7	1.0	7.0	9.0	56	8	16	1	1	9	2	-9
18	Bradley Beal B. Beal	1	46	2018-19	WAS	42.0	46.0	6.0	7.0	0.0	1.0	16.0	25.0	64.0	4.0	10.0	40.0	10.0	10.0	100.0	78.2	1.0	5.0	1.0	42	6	7	0	1	1	4	-4
19	Lou Williams L. Williams	1	45	2018-19	LAC	34.0	45.0	1.0	4.0	1.0	0.0	13.0	25.0	52.0	3.0	8.0	37.5	16.0	16.0	100.0	70.2	0.0	1.0	7.0	34	1	4	1	0	7	3	+7
20	Kawhi Leonard K. Leonard	1	45	2018-19	TOR	35.4	45.0	6.0	1.0	0.0	0.0	16.0	22.0	72.7	0.0	3.0	0.0	13.0	17.0	76.5	76.3	0.0	6.0	2.0	35	6	1	0	0	2	2	+8
21	LeBron James L. James	1	51	2018-19	LAL	38.5	51.0	8.0	3.0	2.0	1.0	19.0	31.0	61.3	6.0	8.0	75.0	7.0	10.0	70.0	72.0	1.0	7.0	2.0	38	8	3	2	1	2	3	+20
22	Derrick Rose D. Rose	1	50	2018-19	MIN	40.9	50.0	4.0	6.0	1.0	1.0	19.0	31.0	61.3	4.0	7.0	57.1	8.0	11.0	72.7	69.8	0.0	4.0	6.0	41	4	6	1	1	6	4	+10
23	Klay Thompson K. Thompson	1	52	2018-19	GSW	26.6	52.0	4.0	0.0	2.0	0.0	18.0	29.0	62.1	14.0	24.0	58.3	2.0	2.0	100.0	87.0	0.0	4.0	2.0	27	4	0	2	0	2	2	+28