Albert Pujols was the oldest relief pitcher in 2022. He was 42 years old.

	NAME	AGE	SEASON	TM	G	W	L	W%	GS	ERA	SO	CG	SHO	SV	IP	H	ER	R	HR	BB	HBP	GF	IBB	TBF	WP	K/9	BB/9	K/BB	HR/9	K%	BB%	WHIP	BABIP	RA	H/9
1	Albert Pujols A. Pujols	42	2022	STL	1	0	0		0	36.00	0	0	0	0	1.0	3	4	4	2	1	0	1	0	7	0	0.00	9.00	0.00	18.00	0.0	14.3	4.00	.250	36.00	27.00
2	Oliver Perez O. Perez	40	2022	ARI	7	1	1	.500	0	15.75	1	0	0	0	4.0	8	7	9	1	1	1	1	0	24	0	2.25	2.25	1.00	2.25	4.2	4.2	2.25	.350	20.25	18.00
3	Yadier Molina Y. Molina	39	2022	STL	2	0	0		0	18.00	1	0	0	0	2.0	6	4	4	2	0	0	2	0	12	0	4.50	0.00		9.00	8.3	0.0	3.00	.444	18.00	27.00
4	Darren O'Day D. O'Day	39	2022	ATL	28	2	2	.500	0	4.15	26	0	0	0	21.2	19	10	12	3	10	1	3	2	94	0	10.80	4.15	2.60	1.25	27.7	10.6	1.34	.296	4.98	7.89
5	Sergio Romo S. Romo	39	2022	TOT	23	0	1	.000	0	7.50	14	0	0	0	18.0	19	15	16	7	6	0	5	1	79	2	7.00	3.00	2.33	3.50	17.7	7.6	1.39	.231	8.00	9.50
6	Jesse Chavez J. Chavez	38	2022	TOT	59	4	3	.571	0	3.56	74	0	0	0	68.1	68	27	32	8	20	1	14	0	286	2	9.75	2.63	3.70	1.05	25.9	7.0	1.29	.328	4.21	8.96
7	Joe Smith J. Smith	38	2022	MIN	34	1	1	.500	0	4.61	17	0	0	0	27.1	33	14	18	7	9	1	3	1	122	0	5.60	2.96	1.89	2.30	13.9	7.4	1.54	.295	5.93	10.87
8	Craig Stammen C. Stammen	38	2022	SDP	32	1	1	.500	0	3.58	32	0	0	0	37.2	39	15	17	8	7	2	9	0	159	3	7.65	1.67	4.57	1.91	20.1	4.4	1.22	.282	4.06	9.32
9	Tyler Clippard T. Clippard	37	2022	WSH	4	0	0		0	7.20	4	0	0	0	5.0	6	4	4	1	4	3	3	0	28	0	7.20	7.20	1.00	1.80	14.3	14.3	2.00	.313	7.20	10.80
10	Cesar Valdez C. Valdez	37	2022	LAA	1	0	0		0	9.00	0	0	0	0	1.0	2	1	2	0	0	0	1	0	5	0	0.00	0.00		0.00	0.0	0.0	2.00	.400	18.00	18.00
11	Daniel Bard D. Bard	37	2022	COL	57	6	4	.600	0	1.79	69	0	0	34	60.1	35	12	15	3	25	3	48	1	245	3	10.29	3.73	2.76	0.45	28.2	10.2	0.99	.221	2.24	5.22
12	Ian Kennedy I. Kennedy	37	2022	ARI	57	4	7	.364	0	5.36	44	0	0	10	50.1	57	30	33	11	22	1	21	3	232	3	7.87	3.93	2.00	1.97	19.0	9.5	1.57	.299	5.90	10.19
13	Mark Melancon M. Melancon	37	2022	ARI	62	3	10	.231	0	4.66	35	0	0	18	56.0	63	29	37	5	21	1	48	2	247	6	5.63	3.38	1.67	0.80	14.2	8.5	1.50	.314	5.95	10.13
14	David Robertson D. Robertson	37	2022	TOT	58	4	3	.571	0	2.40	81	0	0	20	63.2	39	17	18	6	35	3	33	1	264	4	11.45	4.95	2.31	0.85	30.7	13.3	1.16	.237	2.54	5.51
15	Johnny Cueto J. Cueto	36	2022	CWS	1	0	0		0	5.40	4	0	0	0	5.0	6	3	3	1	1	0	0	0	21	0	7.20	1.80	4.00	1.80	19.0	4.8	1.40	.333	5.40	10.80
16	Ross Detwiler R. Detwiler	36	2022	CIN	30	0	2	.000	0	4.44	28	0	0	1	26.1	31	13	13	5	10	3	7	2	122	0	9.57	3.42	2.80	1.71	23.0	8.2	1.56	.342	4.44	10.59
17	David Price D. Price	36	2022	LAD	40	2	0	1.000	0	2.45	37	0	0	2	40.1	38	11	11	6	9	0	13	2	167	0	8.26	2.01	4.11	1.34	22.2	5.4	1.17	.278	2.45	8.48
18	Matt Bush M. Bush	36	2022	TOT	59	2	3	.400	0	3.31	68	0	0	3	54.1	39	20	28	10	16	3	11	2	223	3	11.26	2.65	4.25	1.66	30.5	7.2	1.01	.230	4.64	6.46
19	Steve Cishek S. Cishek	36	2022	WSH	69	1	4	.200	0	4.21	74	0	0	1	66.1	54	31	33	11	27	13	12	1	287	3	10.04	3.66	2.74	1.49	25.8	9.4	1.22	.265	4.48	7.33
20	Greg Holland G. Holland	36	2022	TEX	5	0	1	.000	0	7.71	5	0	0	0	4.2	6	4	5	3	1	0	2	0	20	0	9.64	1.93	5.00	5.79	25.0	5.0	1.50	.273	9.64	11.57
21	Chris Martin C. Martin	36	2022	TOT	60	4	1	.800	0	3.05	74	0	0	2	56.0	50	19	20	6	5	1	6	1	225	7	11.89	0.80	14.80	0.96	32.9	2.2	0.98	.317	3.21	8.04
22	Adam Ottavino A. Ottavino	36	2022	NYM	66	6	3	.667	0	2.06	79	0	0	3	65.2	48	15	15	6	16	5	19	2	258	7	10.83	2.19	4.94	0.82	30.6	6.2	0.97	.276	2.06	6.58
23	Wade Miley W. Miley	35	2022	CHC	1	1	0	1.000	0	0.00	0	0	0	0	2.0	0	0	0	0	0	0	0	0	7	0	0.00	0.00		0.00	0.0	0.0	0.00	.000	0.00	0.00
24	Darin Ruf D. Ruf	35	2022	NYM	1	0	0		0	0.00	0	0	0	0	2.0	1	0	0	0	0	0	1	0	7	0	0.00	0.00		0.00	0.0	0.0	0.50	.143	0.00	4.50
25	Kirby Yates K. Yates	35	2022	ATL	9	0	0		0	5.14	6	0	0	0	7.0	6	4	4	2	5	0	3	0	33	2	7.71	6.43	1.20	2.57	18.2	15.2	1.57	.200	5.14	7.71