Tyler Holton and Jake Bird were tied for pitching the most innings by a relief pitcher in 2023, with 84.1 innings.

	NAME	IP	SEASON	TM	G	W	L	W%	GS	ERA	SO	CG	SHO	SV	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	Tyler Holton T. Holton	84.1	2023	DET	58	3	2	.600	0	2.13	73	0	0	1	56	20	21	9	17	1	7	1	321	4	7.79	1.81	4.29	0.96	22.7	5.3	0.87	.213	2.24	5.98
2	Jake Bird J. Bird	84.1	2023	COL	67	3	3	.500	0	4.27	74	0	0	0	88	40	44	6	27	5	8	0	359	2	7.90	2.88	2.74	0.64	20.6	7.5	1.36	.332	4.70	9.39
3	Josh Winckowski J. Winckowski	83.1	2023	BOS	59	4	4	.500	0	2.92	80	0	0	3	89	27	34	9	30	3	8	2	363	2	8.64	3.24	2.67	0.97	22.0	8.3	1.43	.332	3.67	9.61
4	Chris Stratton C. Stratton	82.2	2023	TOT	64	2	1	.667	0	3.92	81	0	0	1	69	36	39	8	25	2	23	0	338	5	8.82	2.72	3.24	0.87	24.0	7.4	1.14	.275	4.25	7.51
5	Michael Tonkin M. Tonkin	80.0	2023	ATL	45	7	3	.700	0	4.27	75	0	0	1	64	38	41	13	23	2	11	1	325	2	8.44	2.59	3.26	1.46	23.1	7.1	1.09	.241	4.61	7.20
6	Tanner Scott T. Scott	78.0	2023	MIA	74	9	5	.643	0	2.31	104	0	0	12	53	20	22	3	24	4	26	3	307	1	12.00	2.77	4.33	0.35	33.9	7.8	0.99	.291	2.54	6.12
7	Bryse Wilson B. Wilson	76.2	2023	MIL	53	6	0	1.000	0	2.58	61	0	0	3	60	22	26	9	22	2	18	0	314	6	7.16	2.58	2.77	1.06	19.4	7.0	1.07	.232	3.05	7.04
8	Ian Gibaut I. Gibaut	75.2	2023	CIN	74	8	4	.667	0	3.33	69	0	0	3	69	28	33	8	28	4	15	4	318	0	8.21	3.33	2.46	0.95	21.7	8.8	1.28	.292	3.93	8.21
9	Buck Farmer B. Farmer	75.0	2023	CIN	71	4	5	.444	0	4.20	70	0	0	3	58	35	36	11	29	4	10	0	309	1	8.40	3.48	2.41	1.32	22.7	9.4	1.16	.241	4.32	6.96
10	Justin Lawrence J. Lawrence	75.0	2023	COL	69	4	7	.364	0	3.72	78	0	0	11	65	31	37	5	36	7	29	4	326	3	9.36	4.32	2.17	0.60	23.9	11.0	1.35	.300	4.44	7.80
11	Tyler Rogers T. Rogers	74.0	2023	SFG	68	4	5	.444	0	3.04	60	0	0	2	66	25	27	7	19	3	8	2	309	0	7.30	2.31	3.16	0.85	19.4	6.1	1.15	.268	3.28	8.03
12	Jakob Junis J. Junis	73.1	2023	SFG	36	4	3	.571	0	4.54	82	0	0	1	85	37	40	11	19	4	6	1	320	4	10.06	2.33	4.32	1.35	25.6	5.9	1.42	.363	4.91	10.43
13	Tristan Beck T. Beck	73.0	2023	SFG	30	3	2	.600	0	3.33	60	0	0	2	65	27	30	8	19	2	13	2	299	3	7.40	2.34	3.16	0.99	20.1	6.4	1.15	.271	3.70	8.01
14	Yennier Cano Y. Cano	72.2	2023	BAL	72	1	4	.200	0	2.11	65	0	0	8	60	17	19	4	13	3	20	2	283	2	8.05	1.61	5.00	0.50	23.0	4.6	1.00	.283	2.35	7.43
15	Emmanuel Clase E. Clase	72.2	2023	CLE	75	3	8	.273	0	3.22	64	0	0	44	68	26	37	4	16	1	65	2	302	5	7.93	1.98	4.00	0.50	21.2	5.3	1.16	.295	4.58	8.42
16	Julian Merryweather J. Merryweather	72.0	2023	CHC	69	5	1	.833	0	3.38	98	0	0	2	58	27	28	8	36	1	15	0	303	3	12.25	4.50	2.72	1.00	32.3	11.9	1.31	.313	3.50	7.25
17	Bryan Abreu B. Abreu	72.0	2023	HOU	72	3	2	.600	0	1.75	100	0	0	5	44	14	17	6	31	3	16	0	287	1	12.50	3.88	3.23	0.75	34.8	10.8	1.04	.259	2.13	5.50
18	Sean Manaea S. Manaea	71.0	2023	SFG	27	4	3	.571	0	4.18	82	0	0	0	57	33	35	7	26	4	2	0	295	2	10.39	3.30	3.15	0.89	27.8	8.8	1.17	.284	4.44	7.23
19	Joel Payamps J. Payamps	70.2	2023	MIL	69	7	5	.583	0	2.55	77	0	0	3	57	20	24	8	17	5	10	1	287	2	9.81	2.17	4.53	1.02	26.8	5.9	1.05	.272	3.06	7.26
20	Matt Brash M. Brash	70.2	2023	SEA	78	9	4	.692	0	3.06	107	0	0	4	65	24	26	3	29	6	7	0	308	11	13.63	3.69	3.69	0.38	34.7	9.4	1.33	.380	3.31	8.28
21	Kyle Finnegan K. Finnegan	69.1	2023	WSH	67	7	5	.583	0	3.76	63	0	0	28	66	29	33	11	24	1	46	1	288	0	8.18	3.12	2.63	1.43	21.9	8.3	1.30	.291	4.28	8.57
22	Justin Topa J. Topa	69.0	2023	SEA	75	5	4	.556	0	2.61	61	0	0	3	61	20	26	4	18	3	14	4	279	0	7.96	2.35	3.39	0.52	21.9	6.5	1.14	.295	3.39	7.96
23	Craig Kimbrel C. Kimbrel	69.0	2023	PHI	71	8	6	.571	0	3.26	94	0	0	23	44	25	28	10	28	4	45	1	278	4	12.26	3.65	3.36	1.30	33.8	10.1	1.04	.239	3.65	5.74
24	Jason Foley J. Foley	69.0	2023	DET	70	3	3	.500	0	2.61	55	0	0	7	65	20	21	2	15	1	18	2	276	2	7.17	1.96	3.67	0.26	19.9	5.4	1.16	.310	2.74	8.48
25	Trevor Stephan T. Stephan	68.2	2023	CLE	71	7	7	.500	0	4.06	75	0	0	2	63	31	35	6	26	5	11	1	294	3	9.83	3.41	2.88	0.79	25.5	8.8	1.30	.313	4.59	8.26