Dirk Nowitzki had the most games for the Mavericks in the playoffs with 20+ points, with 109 games.

mavs players most playoff games with 20 points

Interpreted as:

mavs players most playoff games with 20 or more points

NAME	GP	PTS	MPG	PPG	RPG	APG	SPG	BPG	TPG	FGM	FGA	FG%	3PM	3PA	3P%	FTM	FTA	FT%	MIN	REB	AST	STL	BLK	TOV	PF	+/-
Dirk Nowitzki	109	3,118	41.8	28.6	10.7	2.5	1.1	0.9	2.4	9.6	19.5	49.0	1.2	2.9	40.5	8.3	9.3	89.8	4,556	1,161	276	119	95	260	317	+203
Luka Doncic	43	1,393	39.2	32.4	9.6	8.1	1.7	0.5	4.3	11.3	23.8	47.3	3.7	9.9	37.2	6.2	8.3	74.4	1,686	412	347	71	21	183	115	+127
Mark Aguirre	30	835	37.5	27.8	7.4	4.0	0.9	0.3	2.3	11.3	21.5	52.5	0.5	1.3	38.5	4.8	6.1	78.3	1,125	222	121	26	10	69	92
Rolando Blackman	29	746	41.0	25.7	4.2	3.8	0.8	0.3	2.5	10.2	18.7	54.9	0.1	0.2	28.6	5.2	6.1	85.2	1,188	122	110	23	9	73	53
Jason Terry	24	623	39.3	26.0	2.8	3.4	1.2	0.2	2.0	9.3	17.4	53.6	3.1	6.5	47.4	4.2	4.8	87.8	944	68	82	28	5	49	51	+238
Michael Finley	23	597	45.2	26.0	6.1	3.3	1.1	0.4	1.6	9.0	19.0	47.6	3.0	6.3	47.9	4.9	5.4	89.6	1,039	141	75	26	9	37	62	-8
Josh Howard	20	464	40.2	23.2	9.4	2.2	1.6	0.8	2.3	8.5	16.7	50.8	1.4	3.5	40.0	4.9	6.1	80.3	805	187	44	32	16	45	68	+145
Steve Nash	16	384	40.4	24.0	3.9	7.1	0.7	0.0	3.1	7.9	15.6	50.8	2.8	5.5	50.0	5.4	5.7	94.5	646	63	113	11	0	50	35	+88
Kyrie Irving	12	328	40.5	27.3	4.5	4.5	1.2	0.4	2.8	10.2	19.8	51.5	3.4	7.3	46.6	3.6	4.3	82.7	486	54	54	14	5	34	33	+63
Jalen Brunson	11	291	36.5	26.5	5.3	3.8	0.7	0.0	1.1	9.9	19.5	50.9	2.1	5.1	41.1	4.5	5.6	80.6	402	58	42	8	0	12	21	+34
Monta Ellis	9	234	37.8	26.0	3.2	4.3	1.7	0.2	2.8	10.2	21.9	46.7	2.1	5.8	36.5	3.4	4.1	83.8	340	29	39	15	2	25	23	+3
Nick Van Exel	9	248	36.6	27.6	3.9	4.4	0.8	0.0	2.2	10.7	20.0	53.3	3.2	7.0	46.0	3.0	4.1	73.0	329	35	40	7	0	20	25	+41
Roy Tarpley	9	209	36.2	23.2	13.9	1.6	1.2	2.2	1.8	9.8	17.1	57.1	0.0	0.2	0.0	3.7	4.6	80.5	326	125	14	11	20	16	43
Jerry Stackhouse	8	186	33.8	23.3	4.5	1.9	0.8	0.3	1.8	8.3	17.5	47.1	2.4	5.1	46.3	4.4	4.9	89.7	271	36	15	6	2	14	13	-25
Tim Hardaway Jr.	6	135	37.8	22.5	4.0	1.8	0.3	0.0	1.0	8.2	17.0	48.0	4.2	9.3	44.6	2.0	2.8	70.6	227	24	11	2	0	6	14	+20
Sam Perkins	6	146	41.5	24.3	10.7	3.0	1.3	1.0	2.0	8.8	16.2	54.6	0.0	0.8	0.0	6.7	8.3	80.0	249	64	18	8	6	12	21
Spencer Dinwiddie	5	124	33.3	24.8	2.8	4.2	1.0	0.6	1.6	7.4	15.2	48.7	3.2	7.0	45.7	6.8	8.6	79.1	166	14	21	5	3	8	15	+37
Derek Harper	5	136	38.4	27.2	3.6	6.2	1.6	0.0	2.6	9.6	16.8	57.1	2.0	4.4	45.5	6.0	7.6	78.9	192	18	31	8	0	13	15
P.J. Washington Jr.	3	77	40.4	25.7	9.7	2.0	0.7	0.7	1.7	9.7	20.0	48.3	5.7	11.3	50.0	0.7	1.7	40.0	121	29	6	2	2	5	11	+13
Kristaps Porzingis	3	77	35.5	25.7	8.0	0.3	1.0	1.3	1.0	8.7	14.3	60.5	3.7	5.7	64.7	4.7	5.7	82.4	107	24	1	3	4	3	11	+9
Shawn Marion	3	66	38.4	22.0	7.0	2.7	1.7	1.3	1.7	9.0	13.7	65.9	0.7	1.7	40.0	3.3	3.7	90.9	115	21	8	5	4	5	5	+22
Caron Butler	3	82	38.6	27.3	6.7	1.0	2.0	1.0	2.0	9.7	20.3	47.5	1.7	5.3	31.3	6.3	7.0	90.5	116	20	3	6	3	6	6	+24
Devin Harris	3	74	33.3	24.7	2.7	1.7	2.3	0.0	2.3	8.7	14.3	60.5	0.0	0.7	0.0	7.3	9.0	81.5	100	8	5	7	0	7	9	+10
Dorian Finney-Smith	2	47	38.6	23.5	7.0	1.5	0.5	0.0	1.0	8.5	13.0	65.4	6.0	9.5	63.2	0.5	1.0	50.0	77	14	3	1	0	2	5	+29
J.J. Barea	2	43	21.4	21.5	2.0	4.5	0.0	0.0	2.0	8.5	13.0	65.4	1.5	3.5	42.9	3.0	3.0	100.0	43	4	9	0	0	4	0	+27