Since 2019-20, Jayson Tatum has the most games for the Celtics in the playoffs with 20+ points, with 72 games.

boston players with most playoff games with 20 or more points since 2020

	NAME	GP	PTS	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	Jayson Tatum J. Tatum	72	2,141	41.3	29.7	9.4	5.8	1.2	0.9	9.8	21.2	46.4	3.2	8.5	37.9	6.9	8.1	85.5	60.2	1.1	8.3	3.3	2,975	675	415	89	63	236	194	+389
2	Jaylen Brown J. Brown	64	1,637	38.9	25.6	6.9	3.5	1.3	0.4	9.6	18.5	51.8	2.5	6.5	38.9	3.9	5.3	74.2	61.5	1.4	5.5	2.9	2,488	442	225	80	28	188	178	+353
3	Marcus Smart M. Smart	19	419	38.4	22.1	5.5	5.6	1.2	0.1	7.4	15.7	46.8	3.9	8.8	44.0	3.4	4.0	85.5	63.0	1.2	4.3	2.5	730	104	106	23	1	48	51	+116
4	Derrick White D. White	14	355	36.1	25.4	3.9	3.5	0.6	1.3	8.3	14.9	55.8	5.1	9.6	53.3	3.6	4.2	86.4	75.9	0.8	3.1	1.4	506	55	49	9	18	19	28	+152
5	Kemba Walker K. Walker	9	212	35.0	23.6	4.7	3.9	1.0	0.6	8.1	16.1	50.3	3.0	8.1	37.0	4.3	5.0	86.7	64.3	0.7	4.0	1.9	315	42	35	9	5	17	20	+35
6	Al Horford A. Horford	7	163	38.1	23.3	11.3	3.0	0.6	1.7	8.6	14.1	60.6	4.7	7.7	61.1	1.4	1.7	83.3	78.2	3.1	8.1	1.7	266	79	21	4	12	12	18	+63
7	Kristaps Porziņģis K. Porziņģis	2	40	27.2	20.0	8.0	0.0	1.0	2.5	6.5	13.5	48.1	1.0	4.5	22.2	6.0	8.0	75.0	58.8	2.5	5.5	0.5	54	16	0	2	5	1	2	+28
8	Jrue Holiday J. Holiday	2	54	44.5	27.0	9.0	5.5	2.0	0.5	10.5	15.0	70.0	3.0	6.0	50.0	3.0	3.0	100.0	82.7	4.5	4.5	2.0	89	18	11	4	1	4	6	+13
9	Malcolm Brogdon M. Brogdon	2	43	29.0	21.5	4.5	2.5	0.0	0.5	8.0	15.5	51.6	4.0	8.0	50.0	1.5	2.0	75.0	65.6	0.5	4.0	0.5	58	9	5	0	1	1	3	+25
10	Grant Williams G. Williams	2	48	37.4	24.0	5.5	1.0	0.0	1.0	8.5	18.0	47.2	6.5	13.5	48.1	0.5	1.0	50.0	65.1	1.0	4.5	0.5	75	11	2	0	2	1	7	+47
11	Payton Pritchard P. Pritchard	1	23	34.5	23.0	4.0	2.0	1.0	0.0	8.0	16.0	50.0	5.0	10.0	50.0	2.0	2.0	100.0	68.1	2.0	2.0	0.0	35	4	2	1	0	0	3	+8