Udonis Haslem was the oldest in 2020-21. He was 40 years old.

NAME	AGE	SEASON	TM	GP	MPG	PPG	RPG	APG	SPG	BPG	TPG	FGM	FGA	FG%	3PM	3PA	3P%	FTM	FTA	FT%	MIN	PTS	REB	AST	STL	BLK	TOV	PF	+/-
Udonis Haslem	40	2020-21	MIA	1	3.0	4.0	1.0	0.0	0.0	0.0	0.0	2.0	2.0	100.0	0.0	0.0		0.0	0.0		3	4	1	0	0	0	0	0	+3
Anderson Varejao	38	2020-21	CLE	5	7.2	2.6	4.0	0.6	0.0	0.4	0.2	0.8	3.2	25.0	0.0	0.2	0.0	1.0	1.8	55.6	36	13	20	3	0	2	1	3	-33
Andre Iguodala	37	2020-21	MIA	63	21.3	4.4	3.5	2.3	0.9	0.6	1.1	1.5	3.9	38.3	1.0	2.9	33.0	0.4	0.6	65.8	1,339	275	221	142	57	35	67	90	-82
Carmelo Anthony	36	2020-21	POR	69	24.5	13.4	3.1	1.5	0.7	0.6	0.9	4.7	11.3	42.1	1.9	4.7	40.9	2.0	2.2	89.0	1,690	924	214	104	46	38	61	144	-23
Marc Gasol	36	2020-21	LAL	52	19.1	5.0	4.1	2.1	0.5	1.1	1.0	1.7	3.7	45.4	1.0	2.3	41.0	0.7	1.0	72.0	993	262	215	109	26	58	53	115	+89
LeBron James	36	2020-21	LAL	45	33.4	25.0	7.7	7.8	1.1	0.6	3.7	9.4	18.3	51.3	2.3	6.3	36.5	4.0	5.7	69.8	1,504	1,126	346	350	48	25	168	70	+287
JJ Redick	36	2020-21	TOT	44	16.4	7.4	1.5	1.2	0.3	0.1	0.8	2.4	6.1	39.7	1.5	4.0	37.1	1.1	1.2	94.2	723	327	64	51	11	3	36	50	+2
LaMarcus Aldridge	35	2020-21	TOT	26	25.9	13.5	4.5	1.9	0.4	1.1	1.0	5.4	11.4	47.3	1.2	3.1	38.8	1.6	1.8	87.2	674	352	118	49	11	29	27	47	-34
Trevor Ariza	35	2020-21	MIA	30	28.0	9.4	4.8	1.8	1.0	0.6	0.7	3.3	8.0	41.1	1.7	4.8	35.0	1.1	1.5	77.3	841	282	144	55	31	18	21	55	+40
Jared Dudley	35	2020-21	LAL	12	6.8	0.5	1.8	0.4	0.1	0.1	0.2	0.2	0.8	22.2	0.2	0.5	33.3	0.0	0.0		81	6	21	5	1	1	2	7	+2
Taj Gibson	35	2020-21	NYK	45	20.8	5.4	5.6	0.8	0.7	1.1	0.5	2.2	3.5	62.7	0.1	0.3	20.0	0.9	1.2	72.7	936	241	250	36	31	49	22	99	+128
Dwight Howard	35	2020-21	PHI	69	17.3	7.0	8.4	0.9	0.4	0.9	1.6	2.6	4.4	58.7	0.1	0.3	25.0	1.8	3.0	57.6	1,195	482	580	61	30	62	112	200	-66
Paul Millsap	35	2020-21	DEN	56	20.8	9.0	4.7	1.8	0.9	0.6	0.9	3.4	7.2	47.6	0.9	2.6	34.3	1.3	1.8	72.4	1,162	502	262	98	51	36	51	111	+102
Chris Paul	35	2020-21	PHX	70	31.4	16.4	4.5	8.9	1.4	0.3	2.2	6.3	12.6	49.9	1.5	3.7	39.5	2.4	2.6	93.4	2,199	1,149	312	622	99	19	156	166	+310
Anthony Tolliver	35	2020-21	PHI	11	9.0	1.5	0.9	0.2	0.3	0.2	0.3	0.4	1.5	23.5	0.4	1.3	28.6	0.5	0.5	83.3	99	17	10	2	3	2	3	7	+30
P.J. Tucker	35	2020-21	TOT	52	26.1	3.7	3.9	1.2	0.8	0.4	0.8	1.3	3.4	37.3	0.8	2.3	33.6	0.4	0.5	75.0	1,356	193	204	61	39	20	40	125	-179
Aron Baynes	34	2020-21	TOR	53	18.5	6.1	5.2	0.9	0.3	0.4	0.9	2.5	5.7	44.1	0.5	1.9	26.2	0.5	0.8	70.7	980	324	273	47	17	22	46	119	-81
Goran Dragic	34	2020-21	MIA	50	26.7	13.4	3.4	4.4	0.7	0.2	2.4	4.8	11.1	43.2	1.8	4.9	37.3	2.0	2.4	82.8	1,337	672	169	219	33	8	118	113	+40
Rudy Gay	34	2020-21	SAS	63	21.6	11.4	4.8	1.4	0.7	0.6	1.0	4.2	10.0	42.0	1.7	4.4	38.1	1.3	1.6	80.4	1,358	716	303	88	45	40	65	115	+130
Jeff Green	34	2020-21	BKN	68	27.0	11.0	3.9	1.6	0.5	0.4	0.8	3.8	7.8	49.2	1.5	3.7	41.2	1.8	2.4	77.6	1,835	750	263	108	36	27	54	122	+113
George Hill	34	2020-21	TOT	30	22.4	8.7	2.0	2.4	0.8	0.2	1.0	3.2	6.6	48.2	1.0	2.7	38.8	1.3	1.7	80.0	672	261	61	73	23	5	31	31	-8
Al Horford	34	2020-21	OKC	28	27.9	14.2	6.7	3.4	0.9	0.9	1.0	5.8	12.9	45.0	2.0	5.4	36.8	0.6	0.8	81.8	782	398	188	94	25	26	29	48	-101
Kyle Lowry	34	2020-21	TOR	46	34.8	17.2	5.4	7.3	1.0	0.3	2.7	5.7	13.0	43.6	2.8	7.2	39.6	3.0	3.5	87.5	1,601	791	247	338	45	14	126	143	-6
Wesley Matthews	34	2020-21	LAL	58	19.5	4.8	1.6	0.9	0.7	0.3	0.4	1.5	4.3	35.3	1.1	3.4	33.5	0.6	0.7	85.4	1,130	279	93	54	38	17	26	80	+38
Rajon Rondo	34	2020-21	TOT	45	17.1	5.4	2.4	4.4	0.8	0.1	1.8	2.1	4.8	44.2	0.8	2.0	40.4	0.4	0.4	94.1	770	242	110	199	37	4	79	53	+21