Jeff Teague was the oldest for the Celtics in 2020-21. He was 32 years old.

	NAME	AGE	SEASON	TM	GP	MPG	PPG	RPG	APG	SPG	BPG	FGM	FGA	FG%	3PM	3PA	3P%	FTM	FTA	FT%	TS%	OREB	DREB	TPG	MIN	PTS	REB	AST	STL	BLK	TOV	PF	+/-
1	Jeff Teague J. Teague	32	2020-21	BOS	34	18.1	6.9	1.7	2.1	0.8	0.2	2.3	5.5	41.5	0.8	1.6	46.4	1.5	1.8	83.6	54.2	0.3	1.4	1.1	616	233	57	73	26	7	39	43	+57
2	Kemba Walker K. Walker	30	2020-21	BOS	43	31.8	19.3	4.0	4.9	1.1	0.3	6.6	15.7	42.0	3.0	8.2	36.0	3.1	3.5	89.9	55.9	0.4	3.6	2.0	1,369	829	170	212	48	12	88	61	+93
3	Tristan Thompson T. Thompson	29	2020-21	BOS	54	23.8	7.6	8.1	1.2	0.4	0.6	3.1	6.0	51.8	0.0	0.1	0.0	1.3	2.2	59.2	54.0	3.1	5.0	1.1	1,287	409	439	67	24	33	62	119	+24
4	Evan Fournier E. Fournier	28	2020-21	BOS	16	29.5	13.0	3.3	3.1	1.3	0.6	4.8	10.8	44.8	2.8	5.9	46.3	0.6	0.9	71.4	58.4	0.3	3.0	1.2	472	208	53	49	20	10	19	41	+44
5	Daniel Theis D. Theis	28	2020-21	BOS	42	24.5	9.5	5.2	1.6	0.6	1.0	3.8	6.9	55.2	0.8	2.3	34.7	1.1	1.6	68.7	62.5	1.3	4.0	1.0	1,027	397	220	67	25	43	41	120	+68
6	Javonte Green J. Green	27	2020-21	BOS	25	13.8	4.2	2.1	0.4	0.7	0.1	1.6	2.8	54.9	0.3	0.9	31.8	0.8	1.2	66.7	62.4	0.8	1.3	0.5	345	105	52	11	18	2	13	32	-39
7	Marcus Smart M. Smart	26	2020-21	BOS	48	32.9	13.1	3.5	5.7	1.5	0.5	4.2	10.6	39.8	1.9	5.9	33.0	2.7	3.4	79.0	53.9	0.8	2.7	2.0	1,581	627	167	273	72	23	96	126	+93
8	Semi Ojeleye S. Ojeleye	26	2020-21	BOS	56	17.0	4.6	2.6	0.7	0.3	0.0	1.6	3.9	40.3	1.0	2.8	36.7	0.4	0.6	75.0	55.3	0.6	2.1	0.4	950	260	147	37	17	0	21	56	+5
9	Jabari Parker J. Parker	25	2020-21	BOS	10	13.8	6.4	3.6	1.0	0.1	0.4	2.6	4.8	54.2	0.2	1.0	20.0	1.0	1.3	76.9	59.6	0.9	2.7	0.7	138	64	36	10	1	4	7	9	+9
10	Luke Kornet L. Kornet	25	2020-21	BOS	18	14.1	4.4	2.9	1.1	0.1	1.4	1.9	4.1	47.3	0.5	2.0	25.0	0.1	0.1	50.0	53.4	0.7	2.2	0.3	254	80	52	20	2	25	6	19	+44
11	Tacko Fall T. Fall	25	2020-21	BOS	18	7.6	2.6	2.9	0.2	0.1	1.1	1.2	1.6	72.4	0.0	0.0		0.3	0.8	33.3	66.0	0.9	2.0	0.3	136	47	52	3	1	20	6	22	+26
12	Jaylen Brown J. Brown	24	2020-21	BOS	58	34.5	24.7	6.0	3.4	1.2	0.6	9.3	19.2	48.4	2.8	7.1	39.7	3.3	4.3	76.4	58.6	1.2	4.8	2.7	1,999	1,430	347	195	72	32	158	168	+69
13	Moritz Wagner M. Wagner	23	2020-21	BOS	9	6.8	1.2	2.1	0.7	0.0	0.1	0.4	1.6	28.6	0.2	0.7	33.3	0.1	0.2	50.0	37.0	0.3	1.8	1.0	61	11	19	6	0	1	9	10	-20
14	Robert Williams III R. Williams III	23	2020-21	BOS	52	18.9	8.0	6.9	1.8	0.8	1.8	3.6	5.0	72.1	0.0	0.0	0.0	0.9	1.4	61.6	71.9	2.6	4.3	1.0	985	417	358	94	43	91	52	105	+8
15	Tremont Waters T. Waters	23	2020-21	BOS	26	9.2	3.8	0.8	2.4	0.6	0.0	1.3	3.2	40.5	0.6	1.5	39.5	0.6	0.7	94.1	54.1	0.2	0.6	1.0	238	99	21	62	15	1	27	17	-10
16	Payton Pritchard P. Pritchard	23	2020-21	BOS	66	19.2	7.7	2.4	1.8	0.6	0.1	2.8	6.3	44.0	1.5	3.8	41.1	0.6	0.7	88.9	58.2	0.5	1.9	0.8	1,267	510	158	120	37	9	53	104	+40
17	Jayson Tatum J. Tatum	22	2020-21	BOS	64	35.8	26.4	7.4	4.3	1.2	0.5	9.5	20.6	45.9	2.9	7.6	38.6	4.6	5.3	86.8	57.6	0.8	6.6	2.7	2,290	1,692	472	276	75	31	171	122	+161
18	Grant Williams G. Williams	22	2020-21	BOS	63	18.1	4.7	2.8	1.0	0.5	0.4	1.7	3.9	43.7	0.8	2.0	37.2	0.5	0.8	58.8	54.6	0.8	2.1	0.9	1,138	294	178	64	32	24	56	161	-48
19	Carsen Edwards C. Edwards	22	2020-21	BOS	31	8.9	4.0	0.8	0.5	0.2	0.0	1.5	3.6	42.3	0.6	2.0	28.6	0.4	0.4	84.6	52.7	0.1	0.7	0.2	276	123	26	14	7	1	7	25	-25
20	Romeo Langford R. Langford	21	2020-21	BOS	18	15.7	3.1	1.9	0.7	0.3	0.3	1.2	3.3	35.6	0.3	1.0	27.8	0.5	0.7	75.0	43.6	0.7	1.3	0.6	283	56	35	13	6	5	10	24	-67
21	Aaron Nesmith A. Nesmith	21	2020-21	BOS	46	14.5	4.7	2.8	0.5	0.3	0.2	1.7	3.9	43.8	0.9	2.3	37.0	0.5	0.6	78.6	57.3	0.6	2.2	0.5	669	218	127	23	15	9	23	87	-7